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URL:

https://dropbbase.com/download/b31bc022b8fbb74ee6c0904944fedc27.html

Full analysis: https://app.any.run/tasks/bd02fd6b-e8b7-41e3-a787-28ff6df45dbb
Verdict: Malicious activity
Analysis date: August 25, 2019, 13:26:36
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
adware
prepscram
Indicators:
MD5:

40606AA4DE75C413966F3DA9069B7A34

SHA1:

A8B76C72F2F16F80DD95EC302C6FA6B807D70AFE

SHA256:

3A53F1622E4F312A7BFD2AE027C8898C57F3F6DB8AA94A20DF0B499628D6BB05

SSDEEP:

3:N8PKVUBKL2FfRKJR0n:2WwfRV

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Application was dropped or rewritten from another process

      • xy0_dll.exe (PID: 3572)
      • xy0_dll.exe (PID: 3376)
      • xy0_dll.exe (PID: 4020)
      • xy0_dll.exe (PID: 3664)
    • Connects to CnC server

      • xy0_dll.exe (PID: 3376)
      • xy0_dll.exe (PID: 3664)
    • PREPSCRAM was detected

      • xy0_dll.exe (PID: 3376)
      • xy0_dll.exe (PID: 3664)
  • SUSPICIOUS

    • Modifies files in Chrome extension folder

      • chrome.exe (PID: 3560)
    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 3000)
    • Application launched itself

      • xy0_dll.exe (PID: 3572)
      • xy0_dll.exe (PID: 4020)
  • INFO

    • Creates files in the user directory

      • chrome.exe (PID: 3560)
    • Reads Internet Cache Settings

      • chrome.exe (PID: 3560)
    • Application launched itself

      • chrome.exe (PID: 3560)
    • Manual execution by user

      • xy0_dll.exe (PID: 4020)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
71
Monitored processes
30
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
start drop and start chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs winrar.exe xy0_dll.exe no specs chrome.exe no specs #PREPSCRAM xy0_dll.exe chrome.exe no specs xy0_dll.exe no specs #PREPSCRAM xy0_dll.exe

Process information

PID
CMD
Path
Indicators
Parent process
3560"C:\Program Files\Google\Chrome\Application\chrome.exe" "https://dropbbase.com/download/b31bc022b8fbb74ee6c0904944fedc27.html"C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
2228"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=75.0.3770.100 --initial-client-data=0x7c,0x80,0x84,0x78,0x88,0x6fdea9d0,0x6fdea9e0,0x6fdea9ecC:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
3456"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=3564 --on-initialized-event-handle=312 --parent-handle=316 /prefetch:6C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
2672"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1020,13939826050867060023,6800701774375351252,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAADgAAAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=12940214935539505719 --mojo-platform-channel-handle=1028 --ignored=" --type=renderer " /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
75.0.3770.100
2808"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1020,13939826050867060023,6800701774375351252,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=network --service-request-channel-token=13879127125996930962 --mojo-platform-channel-handle=1628 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe
chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
2620"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,13939826050867060023,6800701774375351252,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=17233925253057945412 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2240 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
75.0.3770.100
3180"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,13939826050867060023,6800701774375351252,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=7037428210744555222 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2216 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
75.0.3770.100
3816"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,13939826050867060023,6800701774375351252,131072 --enable-features=PasswordImport --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=4262404664589822587 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2404 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
3708"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1020,13939826050867060023,6800701774375351252,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=utility --service-request-channel-token=7094740791649887254 --mojo-platform-channel-handle=3348 --ignored=" --type=renderer " /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
2472"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,13939826050867060023,6800701774375351252,131072 --enable-features=PasswordImport --disable-gpu-compositing --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=3963917017133235194 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3340 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Total events
1 800
Read events
1 668
Write events
127
Delete events
5

Modification events

(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:Key:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:writeName:3560-13211213211294000
Value:
259
(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(3560) chrome.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96}
Operation:writeName:usagestats
Value:
0
(PID) Process:(3560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:delete valueName:1512-13197841398593750
Value:
0
Executable files
1
Suspicious files
47
Text files
203
Unknown types
5

Dropped files

PID
Process
Filename
Type
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\ff8629b4-84a3-4035-b261-7bd694945d67.tmp
MD5:
SHA256:
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000020.dbtmp
MD5:
SHA256:
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\BudgetDatabase\LOG.old~RF169cb2.TMPtext
MD5:A519780ED0A2F4336DB4F5651D79C369
SHA256:DA5B71BD0075B55757BF757BF5F4D4A1DCBCF0762CDA5B31B28680963E068C75
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\BudgetDatabase\LOG.oldtext
MD5:A519780ED0A2F4336DB4F5651D79C369
SHA256:DA5B71BD0075B55757BF757BF5F4D4A1DCBCF0762CDA5B31B28680963E068C75
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.old~RF169c64.TMPtext
MD5:C4D6CBB269C626168A5D6D0D8CCE6C30
SHA256:B62CDBB758278A0C2E50593357390119441D8DE09428EB29027F3DFD1332E348
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Feature Engagement Tracker\EventDB\LOG.oldtext
MD5:3D551B6E929CF62F7AA66091E718704B
SHA256:1698A1B1BC3E86676392FB8BD4C712438302A5A2220503C08F290ED4B1790404
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.oldtext
MD5:213AE3DA120D7862D60B5763B6C9D466
SHA256:5736534D6EE654C1BF1A8E79E73330AF58F622E8657285330D2C7189A55604F4
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.oldtext
MD5:DC32343F45B01764B6267AD36548102A
SHA256:A250F5AD57D4BD58AAE92810D50278E3BE2DBF869F126A3A3519691BCDFC2075
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:C4D6CBB269C626168A5D6D0D8CCE6C30
SHA256:B62CDBB758278A0C2E50593357390119441D8DE09428EB29027F3DFD1332E348
3560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.old~RF169c73.TMPtext
MD5:DC32343F45B01764B6267AD36548102A
SHA256:A250F5AD57D4BD58AAE92810D50278E3BE2DBF869F126A3A3519691BCDFC2075
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
31
DNS requests
24
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3664
xy0_dll.exe
GET
200
13.35.254.191:80
http://d1hq9wbcfo7dcl.cloudfront.net/offer.php?affId=7512&trackingId=423137699&instId=7584&ho_trackingid=HO423137699&cc=DE&sb=x86&wv=7sp1&db=InternetExplorer&uac=1&cid=5d979308c3b6ea5ad7e984e628c8cac1&v=3&net=4.7.03062&ie=8%2e0%2e7601%2e17514&res=1280x720&osd=689&kid=hqmrb21bfhdcdtmkib3
US
shared
3376
xy0_dll.exe
GET
200
13.35.254.191:80
http://d1hq9wbcfo7dcl.cloudfront.net/offer.php?affId=7512&trackingId=423137699&instId=7584&ho_trackingid=HO423137699&cc=DE&sb=x86&wv=7sp1&db=InternetExplorer&uac=1&cid=5d979308c3b6ea5ad7e984e628c8cac1&v=3&net=4.7.03062&ie=8%2e0%2e7601%2e17514&res=1280x720&osd=689&kid=hqmrb21bfhdcdtmkib3
US
shared
2808
chrome.exe
GET
200
104.18.42.65:80
http://dulum.info/5d628cab59ad9/xy0_dll_403af.zip
US
compressed
2.59 Mb
shared
2808
chrome.exe
GET
302
172.217.23.174:80
http://redirector.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvOWVmQUFXS041NV9ZVXlJVWwxbGc5TUM4dw/7519.422.0.3_pkedcjkdefgpdelpbcmbmeomcjbeemfm.crx
US
html
514 b
whitelisted
2808
chrome.exe
GET
200
74.125.110.137:80
http://r4---sn-5goeen7y.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvOWVmQUFXS041NV9ZVXlJVWwxbGc5TUM4dw/7519.422.0.3_pkedcjkdefgpdelpbcmbmeomcjbeemfm.crx?cms_redirect=yes&mip=45.12.223.189&mm=28&mn=sn-5goeen7y&ms=nvh&mt=1566739283&mv=u&mvi=3&pl=24&shardbypass=yes
US
crx
862 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2808
chrome.exe
172.217.23.163:443
fonts.gstatic.com
Google Inc.
US
whitelisted
2808
chrome.exe
104.28.5.39:443
dropbbase.com
Cloudflare Inc
US
shared
2808
chrome.exe
172.217.21.227:443
clientservices.googleapis.com
Google Inc.
US
whitelisted
2808
chrome.exe
172.217.21.234:443
fonts.googleapis.com
Google Inc.
US
whitelisted
2808
chrome.exe
172.217.21.237:443
accounts.google.com
Google Inc.
US
whitelisted
2808
chrome.exe
88.212.201.208:443
counter.yadro.ru
United Network LLC
RU
unknown
2808
chrome.exe
172.64.102.13:443
cookieinfoscript.com
Cloudflare Inc
US
shared
2808
chrome.exe
35.201.103.0:443
www.greatdexchange.com
Google Inc.
US
suspicious
2808
chrome.exe
185.60.216.15:443
graph.facebook.com
Facebook, Inc.
IE
whitelisted
2808
chrome.exe
172.217.22.46:443
clients2.google.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
dropbbase.com
  • 104.28.5.39
  • 104.28.4.39
whitelisted
clientservices.googleapis.com
  • 172.217.21.227
whitelisted
accounts.google.com
  • 172.217.21.237
shared
fonts.googleapis.com
  • 172.217.21.234
whitelisted
www.greatdexchange.com
  • 35.201.103.0
whitelisted
cookieinfoscript.com
  • 172.64.102.13
  • 172.64.103.13
whitelisted
fonts.gstatic.com
  • 172.217.23.163
whitelisted
counter.yadro.ru
  • 88.212.201.208
  • 88.212.196.66
  • 88.212.196.69
  • 88.212.196.72
  • 88.212.196.75
  • 88.212.196.77
  • 88.212.196.101
  • 88.212.196.102
  • 88.212.196.103
  • 88.212.196.104
  • 88.212.196.105
  • 88.212.196.122
  • 88.212.196.123
  • 88.212.196.124
  • 88.212.201.193
  • 88.212.201.194
  • 88.212.201.195
  • 88.212.201.196
  • 88.212.201.197
  • 88.212.201.199
  • 88.212.201.205
  • 88.212.201.207
whitelisted
graph.facebook.com
  • 185.60.216.15
whitelisted
cdn.api.twitter.com
unknown

Threats

PID
Process
Class
Message
3376
xy0_dll.exe
Unknown Traffic
ET INFO Suspicious User-Agent (1 space)
3376
xy0_dll.exe
Misc activity
ADWARE [PTsecurity] SoftwareBundler:Win32/Prepscram
3664
xy0_dll.exe
Unknown Traffic
ET INFO Suspicious User-Agent (1 space)
3664
xy0_dll.exe
Misc activity
ADWARE [PTsecurity] SoftwareBundler:Win32/Prepscram
6 ETPRO signatures available at the full report
No debug info