File name:

Sigma.exe

Full analysis: https://app.any.run/tasks/ac870872-5e66-47f2-b694-14ea8ff2140f
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.

Malware Trends Tracker     >>>
Analysis date: December 05, 2023, 18:22:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
stealer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

AF4F32F5AD63E98F6DF64C64391FA5BC

SHA1:

F56A3721EF854CF345B3C346A353F807CF17DAD6

SHA256:

E1648208D84C233FE4E7F925DEC389A47552791BAA9F1656DF5A78C3F7F64E10

SSDEEP:

3072:8EVyX/1vL1G9iHSSbxqHkQd2ECrAZnc7I:wg6bgx

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

    • Drops the executable file immediately after the start

      • Sigma.exe (PID: 2532)
      • rat.exe (PID: 2984)

    • Uses Task Scheduler to autorun other applications

      • Sigma.exe (PID: 2532)
      • rat.exe (PID: 2984)

    • Steals credentials from Web Browsers

      • rat.exe (PID: 2984)

    • Steals credentials

      • rat.exe (PID: 2984)

    • Actions looks like stealing of personal data

      • rat.exe (PID: 2984)

  • SUSPICIOUS

    • Application launched itself

      • Sigma.exe (PID: 3048)

    • Reads the Internet Settings

      • Sigma.exe (PID: 3048)
      • Sigma.exe (PID: 2532)
      • rat.exe (PID: 2984)

    • Executing commands from a ".bat" file

      • Sigma.exe (PID: 2532)

    • Starts CMD.EXE for commands execution

      • Sigma.exe (PID: 2532)

    • Get information on the list of running processes

      • cmd.exe (PID: 1608)

    • Uses TIMEOUT.EXE to delay execution

      • cmd.exe (PID: 1608)

    • Reads settings of System Certificates

      • rat.exe (PID: 2984)

    • Process communicates with Telegram (possibly using it as an attacker's C2 server)

      • rat.exe (PID: 2984)

  • INFO

    • Checks supported languages

      • Sigma.exe (PID: 2532)
      • Sigma.exe (PID: 3048)
      • rat.exe (PID: 2984)
      • wmpnscfg.exe (PID: 3660)
      • wmpnscfg.exe (PID: 4068)

    • Reads the computer name

      • Sigma.exe (PID: 3048)
      • Sigma.exe (PID: 2532)
      • rat.exe (PID: 2984)
      • wmpnscfg.exe (PID: 3660)
      • wmpnscfg.exe (PID: 4068)

    • Reads the machine GUID from the registry

      • Sigma.exe (PID: 3048)
      • Sigma.exe (PID: 2532)
      • rat.exe (PID: 2984)

    • Reads Environment values

      • Sigma.exe (PID: 3048)
      • Sigma.exe (PID: 2532)
      • rat.exe (PID: 2984)

    • Create files in a temporary directory

      • Sigma.exe (PID: 2532)
      • rat.exe (PID: 2984)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3660)
      • wmpnscfg.exe (PID: 4068)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2065:03:10 01:04:34+01:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32
LinkerVersion: 48
CodeSize: 111616
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x1d31e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows command line
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: TelegramRAT
FileVersion: 1.0.0.0
InternalName: TelegramRAT.exe
LegalCopyright: Copyright © 2020
LegalTrademarks: -
OriginalFileName: TelegramRAT.exe
ProductName: TelegramRAT
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
56
Monitored processes
11
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start sigma.exe no specs sigma.exe schtasks.exe no specs cmd.exe no specs tasklist.exe no specs find.exe no specs timeout.exe no specs rat.exe schtasks.exe no specs wmpnscfg.exe no specs wmpnscfg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1608"C:\Windows\System32\cmd.exe" /C C:\Users\admin\AppData\Local\Temp\tmp2663.tmp.bat & Del C:\Users\admin\AppData\Local\Temp\tmp2663.tmp.batC:\Windows\System32\cmd.exe—Sigma.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2332"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"C:\Windows\System32\schtasks.exe—Sigma.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
2532"C:\Users\admin\AppData\Local\Temp\Sigma.exe" C:\Users\admin\AppData\Local\Temp\Sigma.exe
Sigma.exe
User:
admin
Integrity Level:
HIGH
Description:
TelegramRAT
Exit code:
1
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\sigma.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2984"rat.exe" C:\Users\ToxicEye\rat.exe
cmd.exe
User:
admin
Integrity Level:
HIGH
Description:
TelegramRAT
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\toxiceye\rat.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3048"C:\Users\admin\AppData\Local\Temp\Sigma.exe" C:\Users\admin\AppData\Local\Temp\Sigma.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
TelegramRAT
Exit code:
1
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\sigma.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3428Timeout /T 1 /NobreakC:\Windows\System32\timeout.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.exe
c:\windows\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\ws2_32.dll
3452Tasklist /fi "PID eq 2532" C:\Windows\System32\tasklist.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Lists the current running tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\tasklist.exe
c:\windows\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\user32.dll
c:\windows\system32\gdi32.dll
3528"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\ToxicEye\rat.exe"C:\Windows\System32\schtasks.exe—rat.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
3636find ":"C:\Windows\System32\find.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Find String (grep) Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\find.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ulib.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3660"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
6 791
Read events
6 755
Write events
36
Delete events
0

Modification events

(PID) Process:(3048) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3048) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3048) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3048) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2532) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2532) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2532) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2532) Sigma.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2984) rat.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2984) rat.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
Executable files
4
Suspicious files
3
Text files
7
Unknown types
1

Dropped files

PID
Process
Filename
Type
2984rat.exeC:\Users\ToxicEye\filezilla.txttext
MD5:0EF8CA9932BC7AFA68E10F0181628CDF
SHA256:263DB4F63D9132648B902BC009828287DE2A00EB619D5AFE3A556E497C0E6E0F
2532Sigma.exeC:\Users\admin\AppData\Local\Temp\tmp2663.tmp.battext
MD5:8239354AEF8BE8C9F61D7A83581EED10
SHA256:3BE580AD2722FD092F8E7CDB58821AD48899E6524E2807A50117E7D6376A2C17
2984rat.exeC:\Users\ToxicEye\Sodium.dllexecutable
MD5:FA95D735F88E819EDC0CEF02D3EE4781
SHA256:BF5B02AC516E9B62086649F43A29287C7872BBDB87512E9D5EC1BE681C77A94A
2984rat.exeC:\Users\admin\AppData\Local\Temp\browserCreditCardssqlite
MD5:F47EB60CDF981C17722D0CE740129927
SHA256:0210071DF12CA42D70DCB679926668AE072264705AC139A24F94BBC5A129DD8F
2984rat.exeC:\Users\ToxicEye\history.txttext
MD5:7DF1BEC27608FB5865BA80306FF6563B
SHA256:C8041D83481ECFF39E1C33F652F62351C84FAC37F7500357F5117A05C3B12D7C
2984rat.exeC:\Users\ToxicEye\libsodium-64.dllexecutable
MD5:5416694767519DF7A2C7DEC09F7C17FC
SHA256:0C44CDD6581B94910D7440193B8F5D9804E679AFDB814801AB0D7B828C5D41D7
2984rat.exeC:\Users\ToxicEye\passwords.txttext
MD5:8E49CF6B1FAD882F2798995611F43D52
SHA256:9DAED7A2758B385CED2F980E7072F2DAD12701F7016539F61AA5A93F2D84D3F0
2984rat.exeC:\Users\admin\AppData\Local\Temp\browserHistorysqlite
MD5:FBD34F0AB5E3F18371CF71395F40C3C5
SHA256:17C9F4CB0FA71685013A864174352D87B1FE35CC3F3B499DF92EEDA3ABB8F862
2984rat.exeC:\Users\ToxicEye\cookies.txttext
MD5:C62837B28D4938EDD0ED433C62D0FBFF
SHA256:041A0AA02EFEE5C154EE06E5BB07FCDE75D5A2A0277E390A170CF9E719D93FFE
2984rat.exeC:\Users\ToxicEye\bookmarks.txttext
MD5:61F8A15F0BF3EF90A36796B6CBB7B105
SHA256:678150F8AA675320E486B135418A7ED5B546514A5AA808588ECCC12FE8CD2130
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
15
DNS requests
5
Threats
26

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
868
svchost.exe
23.35.228.137:80
—
AKAMAI-AS
DE
unknown
2984
rat.exe
149.154.167.220:443
api.telegram.org
Telegram Messenger Inc
GB
unknown
2984
rat.exe
185.199.108.133:443
raw.githubusercontent.com
FASTLY
US
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
868
svchost.exe
184.30.20.134:80
armmf.adobe.com
AKAMAI-AS
DE
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.174
whitelisted
api.telegram.org
  • 149.154.167.220
shared
raw.githubusercontent.com
  • 185.199.108.133
  • 185.199.109.133
  • 185.199.110.133
  • 185.199.111.133
shared
armmf.adobe.com
  • 184.30.20.134
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Misc activity
ET HUNTING Telegram API Domain in DNS Lookup
2984
rat.exe
Misc activity
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
2984
rat.exe
Misc activity
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
2984
rat.exe
Misc activity
ET HUNTING Telegram API Certificate Observed
2984
rat.exe
Misc activity
ET HUNTING Telegram API Certificate Observed
2984
rat.exe
Misc activity
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
2984
rat.exe
Misc activity
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
2984
rat.exe
Misc activity
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
2984
rat.exe
Misc activity
ET HUNTING Telegram API Certificate Observed
2984
rat.exe
Misc activity
ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
No debug info
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Reports
Sigma.exe