Analysis

  • max time kernel
    135s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 11:35

General

  • Target

    c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe

  • Size

    815KB

  • MD5

    5d1d0f26ebb26738d78e964c0a57de2d

  • SHA1

    392ed434f12587a91368fb253f75fd6dffbf25ea

  • SHA256

    c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a

  • SHA512

    e3400ef8655c994754fd4e75c5a3ebbb91a4c53638d079e1616d80df0661ec3fb357cbdccdc51d5bdd1a9b4b8ae5466df6d7d70a3dc75831d353324a0bfe03ea

  • SSDEEP

    24576:XjlIhSPd+pl8v00qWGThl9oeg9adzlqmNd8kX:Xjl+SPspl8cVWGThl9MMdzl/Np

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uvbIwIYe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:980
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uvbIwIYe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE687.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fp5mqogb.c4t.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE687.tmp

    Filesize

    1KB

    MD5

    084de1205565d105afb58bb36f4edc90

    SHA1

    5cf60fb1c6550ad8da73c00b4d5c49c2fd3c46de

    SHA256

    6723a3402c1ea54ef3a8ba00691eee3a039311718b3ddd8f0e8bfbb02daf1b63

    SHA512

    b7aa577f1c9fc60a736390b2f0ef874dc617dbb5cc241414016d52b76d398484663cdd29a5eb14dc7d7cb0ee7dfb814b3ed98453454348804829e6d6353a7706

  • memory/980-75-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

    Filesize

    104KB

  • memory/980-63-0x0000000006A50000-0x0000000006AF3000-memory.dmp

    Filesize

    652KB

  • memory/980-78-0x0000000006FA0000-0x0000000006FB1000-memory.dmp

    Filesize

    68KB

  • memory/980-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/980-52-0x0000000075710000-0x000000007575C000-memory.dmp

    Filesize

    304KB

  • memory/980-51-0x0000000006A00000-0x0000000006A32000-memory.dmp

    Filesize

    200KB

  • memory/980-20-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/980-74-0x00000000073F0000-0x0000000007A6A000-memory.dmp

    Filesize

    6.5MB

  • memory/980-76-0x0000000006E10000-0x0000000006E1A000-memory.dmp

    Filesize

    40KB

  • memory/980-22-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/980-77-0x0000000007020000-0x00000000070B6000-memory.dmp

    Filesize

    600KB

  • memory/980-85-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/980-62-0x00000000069E0000-0x00000000069FE000-memory.dmp

    Filesize

    120KB

  • memory/2852-87-0x0000000006700000-0x0000000006750000-memory.dmp

    Filesize

    320KB

  • memory/2852-36-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2912-9-0x0000000004780000-0x0000000004806000-memory.dmp

    Filesize

    536KB

  • memory/2912-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/2912-2-0x0000000005410000-0x00000000059B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2912-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp

    Filesize

    584KB

  • memory/2912-10-0x000000000B180000-0x000000000B21C000-memory.dmp

    Filesize

    624KB

  • memory/2912-8-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-7-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/2912-48-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-1-0x0000000000330000-0x00000000003FE000-memory.dmp

    Filesize

    824KB

  • memory/2912-6-0x0000000006450000-0x0000000006476000-memory.dmp

    Filesize

    152KB

  • memory/2912-5-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

    Filesize

    40KB

  • memory/3416-15-0x0000000005180000-0x00000000051B6000-memory.dmp

    Filesize

    216KB

  • memory/3416-64-0x0000000075710000-0x000000007575C000-memory.dmp

    Filesize

    304KB

  • memory/3416-50-0x0000000006730000-0x000000000677C000-memory.dmp

    Filesize

    304KB

  • memory/3416-49-0x00000000066F0000-0x000000000670E000-memory.dmp

    Filesize

    120KB

  • memory/3416-30-0x0000000005FA0000-0x0000000006006000-memory.dmp

    Filesize

    408KB

  • memory/3416-37-0x00000000061F0000-0x0000000006544000-memory.dmp

    Filesize

    3.3MB

  • memory/3416-31-0x0000000006080000-0x00000000060E6000-memory.dmp

    Filesize

    408KB

  • memory/3416-29-0x0000000005E80000-0x0000000005EA2000-memory.dmp

    Filesize

    136KB

  • memory/3416-21-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3416-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3416-79-0x0000000007C70000-0x0000000007C7E000-memory.dmp

    Filesize

    56KB

  • memory/3416-80-0x0000000007C80000-0x0000000007C94000-memory.dmp

    Filesize

    80KB

  • memory/3416-81-0x0000000007D80000-0x0000000007D9A000-memory.dmp

    Filesize

    104KB

  • memory/3416-82-0x0000000007D60000-0x0000000007D68000-memory.dmp

    Filesize

    32KB

  • memory/3416-17-0x00000000057F0000-0x0000000005E18000-memory.dmp

    Filesize

    6.2MB

  • memory/3416-86-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3416-16-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB