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download:

SC66-PO-746-DOC.exe

Full analysis: https://app.any.run/tasks/d55425be-09d9-4675-a5c1-86110f30f254
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Analysis date: October 14, 2019, 22:29:44
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
stealer
vidar
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

FC2EE2B6315771F8589097603ED086A1

SHA1:

FD9A42330CA48BD7007C5EEC1C86F30134AA93FE

SHA256:

1EED17B4870A3548ADA4EE380A06BEE74A27503D1634FC058DDF2A185101B144

SSDEEP:

49152:k50+1oTqqY2KyCN4Y/nk/S2S+cpK8Uvlo/:kOiqY2KNmbq7pK0/

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

      • Yarexs.exe (PID: 388)
      • Yarexs.exe (PID: 2252)
    • Changes the autorun value in the registry

      • Yarexs.exe (PID: 2252)
    • VIDAR was detected

      • Yarexs.exe (PID: 388)
  • SUSPICIOUS

    • Application launched itself

      • Yarexs.exe (PID: 2252)
    • Executable content was dropped or overwritten

      • SC66-PO-746-DOC.exe (PID: 656)
      • Yarexs.exe (PID: 2252)
    • Creates files in the program directory

      • Yarexs.exe (PID: 388)
  • INFO

    • Dropped object may contain Bitcoin addresses

      • SC66-PO-746-DOC.exe (PID: 656)
      • Yarexs.exe (PID: 2252)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable Delphi generic (37.4)
.scr | Windows screen saver (34.5)
.exe | Win32 Executable (generic) (11.9)
.exe | Win16/32 Executable Delphi generic (5.4)
.exe | Generic Win/DOS Executable (5.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:06:20 00:22:17+02:00
PEType: PE32
LinkerVersion: 2.25
CodeSize: 363008
InitializedDataSize: 1634304
UninitializedDataSize: -
EntryPoint: 0x5987c
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17
Detected languages:
  • English - United States
  • Russian - Russia

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 8
Time date stamp: 19-Jun-1992 22:22:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
CODE
0x00001000
0x000588D0
0x00058A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.52247
DATA
0x0005A000
0x000012A4
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.95297
BSS
0x0005C000
0x00BE2A39
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x00C3F000
0x0000215E
0x00002200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.01372
.tls
0x00C42000
0x00000010
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rdata
0x00C43000
0x00000018
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
0.258612
.reloc
0x00C44000
0x00006750
0x00006800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
6.64064
.rsrc
0x00C4B000
0x00184E6C
0x00185000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
7.68207

Resources

Title
Entropy
Size
Codepage
Language
Type
1
2.2958
744
Latin 1 / Western European
Russian - Russia
RT_ICON
2
2.80231
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
3
3.00046
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
4
2.56318
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
5
2.6949
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
6
2.62527
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
7
2.91604
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
50
5.17753
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
4081
3.29671
436
Latin 1 / Western European
UNKNOWN
RT_STRING
4082
3.28099
468
Latin 1 / Western European
UNKNOWN
RT_STRING

Imports

advapi32.dll
comctl32.dll
comdlg32.dll
gdi32.dll
kernel32.dll
oleaut32.dll
user32.dll
version.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
3
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start drop and start sc66-po-746-doc.exe yarexs.exe #VIDAR yarexs.exe

Process information

PID
CMD
Path
Indicators
Parent process
656"C:\Users\admin\AppData\Local\Temp\SC66-PO-746-DOC.exe" C:\Users\admin\AppData\Local\Temp\SC66-PO-746-DOC.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2252C:\Users\admin\Yarexs.exeC:\Users\admin\Yarexs.exe
SC66-PO-746-DOC.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
388"C:\Users\admin\Yarexs.exe"C:\Users\admin\Yarexs.exe
Yarexs.exe
User:
admin
Integrity Level:
MEDIUM
Total events
44
Read events
25
Write events
19
Delete events
0

Modification events

(PID) Process:(2252) Yarexs.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:4565757hdh
Value:
C:\Users\admin\AppData\Local\4565757hdh\4565757hdhR.vbs
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(388) Yarexs.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Yarexs_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
Executable files
2
Suspicious files
0
Text files
11
Unknown types
0

Dropped files

PID
Process
Filename
Type
2252Yarexs.exeC:\Users\admin\ICQ\Yar.ocx
MD5:
SHA256:
2252Yarexs.exeC:\Users\admin\ICQ\4565757hdh.bmpimage
MD5:6DF26493E09E69BDD360B6F675CC7CA6
SHA256:B407D0EF481F69C5604357CD22D6D48E5211923414C6B56C2D10B353FDD62A3C
2252Yarexs.exeC:\Users\admin\Yahoo\4565757hdhKSS.exeexecutable
MD5:ACEE10699CA5D96243C596615B2FC6E1
SHA256:E67108548E41A7B3685A5320D861687206C1572586F584164F8CAAD0D36490AA
656SC66-PO-746-DOC.exeC:\Users\admin\Yar.bmpimage
MD5:6DF26493E09E69BDD360B6F675CC7CA6
SHA256:B407D0EF481F69C5604357CD22D6D48E5211923414C6B56C2D10B353FDD62A3C
2252Yarexs.exeC:\Users\admin\AppData\Local\4565757hdh\4565757hdhQ.battext
MD5:E9E5DBACF333F27738780844A8FD12D6
SHA256:CB095AEFC767687F7828AD0588824703862B87873CC0BBF19A19DA9FB50BB9B1
388Yarexs.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\news_old-englishbook_icu[1].txttext
MD5:E32688E07E237308D016DF5772CDE94D
SHA256:65EE2157A5AD508E40C040FFA1B18FEC5BCE35EA063E93FEC4A96DC17A049DD9
2252Yarexs.exeC:\Users\admin\AppData\Local\4565757hdh\4565757hdhR.vbstext
MD5:31D877839A332D0F73F65820677DF1D9
SHA256:6A9971F4FFC957AA59A690CE8CDC2486B068010980EAD3FE4060D62BB7CBFF37
656SC66-PO-746-DOC.exeC:\Users\admin\Yarexs.exeexecutable
MD5:ACEE10699CA5D96243C596615B2FC6E1
SHA256:E67108548E41A7B3685A5320D861687206C1572586F584164F8CAAD0D36490AA
388Yarexs.exeC:\ProgramData\softokn3.dllhtml
MD5:FA172C77ABD7B03605D83CD1AE373657
SHA256:B0C7E6712ECBF97A1E3A14F19E3AED5DBD6553F21A2852565BFC5518925713DB
388Yarexs.exeC:\ProgramData\vcruntime140.dllhtml
MD5:FA172C77ABD7B03605D83CD1AE373657
SHA256:B0C7E6712ECBF97A1E3A14F19E3AED5DBD6553F21A2852565BFC5518925713DB
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
1
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
388
Yarexs.exe
POST
200
103.116.16.4:80
http://news.old-englishbook.icu/
unknown
text
32 b
malicious
388
Yarexs.exe
GET
403
103.116.16.4:80
http://news.old-englishbook.icu/nss3.dll
unknown
html
318 b
malicious
388
Yarexs.exe
GET
403
103.116.16.4:80
http://news.old-englishbook.icu/freebl3.dll
unknown
html
318 b
malicious
388
Yarexs.exe
GET
403
103.116.16.4:80
http://news.old-englishbook.icu/vcruntime140.dll
unknown
html
318 b
malicious
388
Yarexs.exe
GET
403
103.116.16.4:80
http://news.old-englishbook.icu/softokn3.dll
unknown
html
318 b
malicious
388
Yarexs.exe
GET
403
103.116.16.4:80
http://news.old-englishbook.icu/mozglue.dll
unknown
html
318 b
malicious
388
Yarexs.exe
GET
403
103.116.16.4:80
http://news.old-englishbook.icu/msvcp140.dll
unknown
html
318 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
388
Yarexs.exe
103.116.16.4:80
news.old-englishbook.icu
malicious

DNS requests

Domain
IP
Reputation
news.old-englishbook.icu
  • 103.116.16.4
malicious

Threats

PID
Process
Class
Message
Potentially Bad Traffic
ET INFO DNS Query for Suspicious .icu Domain
388
Yarexs.exe
A Network Trojan was detected
SUSPICIOUS [PTsecurity] Possible Generic.Trojan Boundary
388
Yarexs.exe
A Network Trojan was detected
MALWARE [PTsecurity] Arkei/Vidar Stealer
388
Yarexs.exe
Potentially Bad Traffic
ET INFO HTTP POST Request to Suspicious *.icu domain
388
Yarexs.exe
A Network Trojan was detected
MALWARE [PTsecurity] Generic.PWS.Arkei Stealers Header (Vidar)
388
Yarexs.exe
A Network Trojan was detected
MALWARE [PTsecurity] Arkei/Vidar Stealer HTTP Response
388
Yarexs.exe
A Network Trojan was detected
MALWARE [PTsecurity] Vidar Stealer Server Response
1 ETPRO signatures available at the full report
No debug info