File name:

u.exe.6.dr

Full analysis: https://app.any.run/tasks/667978dc-fe2f-468d-8e39-17cf0c5fb974
Verdict: Malicious activity
Analysis date: May 01, 2021, 13:38:02
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5:

4FFE0C34306DCAF1D08F9208DC59439D

SHA1:

20B8BC062FD6B9D3974F953CE48D5AFF063C9C35

SHA256:

91D3770AC0D4463CB356327DB2C492F1CBCE42715DBCAE11D8768F4BF2FB2C98

SSDEEP:

49152:QdMuktFMGWmRG5WHTk3rkKxbLjPlmZW/AICICqjXoFkDD4ecPL9KLESyz4wZSLK:QdMLtFLtQ3rkyPVoIC0qkQecPhKwSWY

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

    • Changes settings of System certificates

      • u.exe.6.dr.exe (PID: 2892)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • u.exe.6.dr.exe (PID: 2892)

    • Executed via COM

      • DllHost.exe (PID: 2952)

    • Adds / modifies Windows certificates

      • u.exe.6.dr.exe (PID: 2892)

    • Starts Internet Explorer

      • rundll32.exe (PID: 3752)

  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 924)

    • Creates files in the user directory

      • iexplore.exe (PID: 2876)
      • iexplore.exe (PID: 924)

    • Application launched itself

      • iexplore.exe (PID: 924)

    • Reads internet explorer settings

      • iexplore.exe (PID: 2876)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 924)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 924)

    • Changes settings of System certificates

      • iexplore.exe (PID: 924)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: 1
OSVersion: 5.1
EntryPoint: 0xc1d7a0
UninitializedDataSize: 9728000
InitializedDataSize: 155648
CodeSize: 2977792
LinkerVersion: 3
PEType: PE32
TimeStamp: 0000:00:00 00:00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 01-Jan-1970 00:00:00
Detected languages:
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0004
Size of header: 0x0000
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x008B
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 01-Jan-1970 00:00:00
Pointer to Symbol Table: 0x00B83E00
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DEBUG_STRIPPED
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x00947000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00948000
0x002D7000
0x002D6400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.99992
.rsrc
0x00C1F000
0x00026000
0x00025800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.50967

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.25784
828
UNKNOWN
English - United States
RT_MANIFEST
2
4.47164
152104
UNKNOWN
English - United States
RT_ICON
3
2.22322
20
UNKNOWN
English - United States
RT_GROUP_ICON

Imports

KERNEL32.DLL
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
5
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start u.exe.6.dr.exe WinInetBrokerServer no specs rundll32.exe no specs iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
924"C:\Program Files\Internet Explorer\iexplore.exe" https://home.ultrasurfing.com/C:\Program Files\Internet Explorer\iexplore.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
2876"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:924 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
2892"C:\Users\admin\AppData\Local\Temp\u.exe.6.dr.exe" C:\Users\admin\AppData\Local\Temp\u.exe.6.dr.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\u.exe.6.dr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\winmm.dll
c:\windows\system32\user32.dll
2952C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3752rundll32 url.dll,FileProtocolHandler https://home.ultrasurfing.comC:\Windows\system32\rundll32.exe—u.exe.6.dr.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
Total events
531
Read events
412
Write events
115
Delete events
4

Modification events

(PID) Process:(2952) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
46000000A6000000030000000E0000003132372E302E302E313A3936363600000000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(2952) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:DefaultConnectionSettings
Value:
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
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyServer
Value:
127.0.0.1:9666
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
1
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
46000000A7000000030000000E0000003132372E302E302E313A3936363600000000000000000000000000000000C0E333BBEAB1D301000000000000000000000000020000001700000000000000FE800000000000007D6CB050D9C573F70B000000000000006D00330032005C004D00530049004D004700330032002E0064006C000100000004AA400014AA4000040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000C0A8016400000000000000000000000000000000000000000800000000000000805D3F00983740000008000002000000000000600000002060040000B8A94000020000008802000060040000B8A9400004000000F8010000B284000088B64000B84B400043003A000000000000000000000000000000000000000000
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\system32\p2pcollab.dll,-8042
Value:
Peer to Peer Trust
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\system32\qagentrt.dll,-10
Value:
System Health Authentication
(PID) Process:(2892) u.exe.6.dr.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dnsapi.dll,-103
Value:
Domain Name System (DNS) Server Trust
Executable files
0
Suspicious files
44
Text files
35
Unknown types
22

Dropped files

PID
Process
Filename
Type
2876iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab3988.tmp —
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar3989.tmp —
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\YTOWV792\style2[1].csstext
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\5IWPIAR9\81d53136_photo0_610[1].jpgimage
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AB07B6D94AE8D8C14957C88E5208BABAbinary
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\ed1e8997_photo0_190[1].jpgimage
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\5b416bb3_photo0_190[1].jpgimage
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\MSIMGSIZ.DATsmt
MD5:—
SHA256:—
2876iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\delivery[1].jstext
MD5:—
SHA256:—
924iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6Z2BCOUL\favicon[1].icoimage
MD5:DA597791BE3B6E732F0BC8B20E38EE62
SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
12
DNS requests
5
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2892
u.exe.6.dr.exe
151.139.69.12:443
—
netDNA
US
unknown
2892
u.exe.6.dr.exe
151.139.81.23:443
—
netDNA
US
unknown
2892
u.exe.6.dr.exe
45.95.98.170:443
—
—
—
unknown
2892
u.exe.6.dr.exe
74.82.60.71:443
—
Hurricane Electric, Inc.
US
unknown
—
—
104.22.0.17:46358
—
Cloudflare Inc
US
unknown
2892
u.exe.6.dr.exe
149.112.112.11:443
—
Packet Clearing House
US
unknown
2892
u.exe.6.dr.exe
74.82.60.48:443
—
Hurricane Electric, Inc.
US
unknown
2892
u.exe.6.dr.exe
72.52.87.62:443
—
Hurricane Electric, Inc.
US
unknown
2892
u.exe.6.dr.exe
9.9.9.11:443
—
—
US
unknown
2892
u.exe.6.dr.exe
45.95.98.53:443
—
—
—
unknown

DNS requests

Domain
IP
Reputation
home.ultrasurfing.com
  • 184.105.237.132
malicious
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 13.107.21.200
  • 204.79.197.200
whitelisted
fonts.gstatic.com
  • 142.250.74.195
whitelisted

Threats

No threats detected
No debug info
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Reports
u.exe.6.dr