Analysis

  • max time kernel
    124s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 05:46

General

  • Target

    EMICHEM.PDC_PO12YJKLF.scr.exe

  • Size

    642KB

  • MD5

    3b2fdddfea442b19d99bb076e61975a3

  • SHA1

    f2f86158de5a5091e9279ee5bdd8ed23c82e4649

  • SHA256

    0ecf60ff337dc16beed8a7faff49d2992ef4fe0f4c76ffc07457a011b382da90

  • SHA512

    997e4191000d66dd7dade87c35e9502f025b76932c540aa7d2008a701c5661679b291a6800e79005e70c1f8caf41ece3441586d828cae3f14a13178da1bc480d

  • SSDEEP

    12288:k9j0dY9shQg7WbxARan/jZtg4jy9KQHy9b8xlzS+STpS3NUrkR:Ldhl7WPn7Zmmwvy9LblIUu

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger 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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.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:3748
    • 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\EMICHEM.PDC_PO12YJKLF.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XDZyqvbJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDZyqvbJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBD9.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1152
    • C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\EMICHEM.PDC_PO12YJKLF.scr.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    662870d36ccf19e5fee24df22f8ff8bd

    SHA1

    6aa6ebe25f46067092cf6abd847a15e914196d6f

    SHA256

    f79c5f07894aba9704e6149f8a1ad626eef7f7102f89e88a74058dc1884e2762

    SHA512

    4debdbb6fb39cbe9a0d8e84b9bc583906e897f3dbb1c04165c3de5e2d2db0d08c32a109a4aa7e12430020a07f32a14351b1a0f5cf81c481dba402029a0da8700

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wp0qtegm.c2g.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDBD9.tmp

    Filesize

    1KB

    MD5

    9bf4be36862cbc2d8129dc28c50b83fd

    SHA1

    78ade57af366aeabc66f84833d7926e985a3715f

    SHA256

    9a33bfc823babbca8263da957939628c08e401fa2095a8dfd1459200d13546ab

    SHA512

    5bb506d08fd331ba0a4562e049d2b2f92c8afacc7fc0a381d4ca1fb756151db814c108c98775a7ef768075f3aba7eac17e43be2ce455e29a14bae0628898c2e9

  • memory/1384-51-0x0000000006310000-0x000000000635C000-memory.dmp

    Filesize

    304KB

  • memory/1384-22-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-63-0x0000000006380000-0x000000000639E000-memory.dmp

    Filesize

    120KB

  • memory/1384-53-0x000000006F430000-0x000000006F47C000-memory.dmp

    Filesize

    304KB

  • memory/1384-64-0x0000000006FF0000-0x0000000007093000-memory.dmp

    Filesize

    652KB

  • memory/1384-49-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

    Filesize

    120KB

  • memory/1384-21-0x0000000005640000-0x0000000005662000-memory.dmp

    Filesize

    136KB

  • memory/1384-52-0x0000000006DB0000-0x0000000006DE2000-memory.dmp

    Filesize

    200KB

  • memory/1384-16-0x0000000002460000-0x0000000002496000-memory.dmp

    Filesize

    216KB

  • memory/1384-25-0x00000000057C0000-0x0000000005B14000-memory.dmp

    Filesize

    3.3MB

  • memory/1384-26-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-19-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-89-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1384-24-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/1384-23-0x00000000056E0000-0x0000000005746000-memory.dmp

    Filesize

    408KB

  • memory/2720-17-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2720-81-0x0000000006FC0000-0x0000000006FD4000-memory.dmp

    Filesize

    80KB

  • memory/2720-46-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2720-90-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2720-47-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2720-83-0x00000000070A0000-0x00000000070A8000-memory.dmp

    Filesize

    32KB

  • memory/2720-82-0x00000000070C0000-0x00000000070DA000-memory.dmp

    Filesize

    104KB

  • memory/2720-18-0x0000000004CF0000-0x0000000005318000-memory.dmp

    Filesize

    6.2MB

  • memory/2720-80-0x0000000006FB0000-0x0000000006FBE000-memory.dmp

    Filesize

    56KB

  • memory/2720-79-0x0000000006F80000-0x0000000006F91000-memory.dmp

    Filesize

    68KB

  • memory/2720-78-0x0000000007000000-0x0000000007096000-memory.dmp

    Filesize

    600KB

  • memory/2720-77-0x0000000006DF0000-0x0000000006DFA000-memory.dmp

    Filesize

    40KB

  • memory/2720-76-0x0000000006D80000-0x0000000006D9A000-memory.dmp

    Filesize

    104KB

  • memory/2720-75-0x00000000073C0000-0x0000000007A3A000-memory.dmp

    Filesize

    6.5MB

  • memory/2720-65-0x000000006F430000-0x000000006F47C000-memory.dmp

    Filesize

    304KB

  • memory/3748-11-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3748-9-0x00000000083C0000-0x000000000842C000-memory.dmp

    Filesize

    432KB

  • memory/3748-6-0x0000000006810000-0x000000000682E000-memory.dmp

    Filesize

    120KB

  • memory/3748-7-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

    Filesize

    4KB

  • memory/3748-4-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3748-8-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3748-5-0x0000000005020000-0x000000000502A000-memory.dmp

    Filesize

    40KB

  • memory/3748-10-0x000000000ABB0000-0x000000000AC4C000-memory.dmp

    Filesize

    624KB

  • memory/3748-50-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3748-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

    Filesize

    4KB

  • memory/3748-3-0x0000000005050000-0x00000000050E2000-memory.dmp

    Filesize

    584KB

  • memory/3748-2-0x00000000056D0000-0x0000000005C74000-memory.dmp

    Filesize

    5.6MB

  • memory/3748-1-0x0000000000590000-0x0000000000634000-memory.dmp

    Filesize

    656KB

  • memory/4816-45-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4816-91-0x0000000006A90000-0x0000000006AE0000-memory.dmp

    Filesize

    320KB

  • memory/4816-92-0x0000000006CB0000-0x0000000006E72000-memory.dmp

    Filesize

    1.8MB