Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-02-2025 05:47

General

  • Target

    RECEIPT ATTACHMENT.exe

  • Size

    912KB

  • MD5

    08e7844d71a35268697573567fa6426d

  • SHA1

    18d3e013a70ddca9f55d540e0d325f2b660f2f39

  • SHA256

    aff2d8ebd4a9c0218b8df1314b12fd2dec7706b7f1cea2029c663c53e52ff187

  • SHA512

    95826d24a4f546b97cad699e1f0df9579b5e66530eb8827d44ffec7249c81ba651ab85664adccf45d6e4ea59910533c600f5a935dd4b7645efb7624a559287d2

  • SSDEEP

    12288:hrT5UqCUfsgdd8JNxNAgnl9PxPJ2J28xF42b3IRifdZL+lU5UCsLoe:hWHNJ3X2YIF4m39ZLwL2e

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7570158401:AAGzmritmTT3Z0Z77i4ThJMCq3NzbjqeNpo/sendMessage?chat_id=7225431807

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 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 8 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\RECEIPT ATTACHMENT.exe
    "C:\Users\Admin\AppData\Local\Temp\RECEIPT ATTACHMENT.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:2400
    • 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\RECEIPT ATTACHMENT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DNJFVAw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DNJFVAw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2565.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4896
    • C:\Users\Admin\AppData\Local\Temp\RECEIPT ATTACHMENT.exe
      "C:\Users\Admin\AppData\Local\Temp\RECEIPT ATTACHMENT.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:2368

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

    d2c6307430f146bd52f9f6b80314597b

    SHA1

    8a613f2a30839b193fff1d12f2f31f870e845753

    SHA256

    f9feae354acefcd13567f7d7a132e50d95eb136685f05450c268333ab8af7c0c

    SHA512

    f065d5bbdcf2c2a37b89a100090eaad2a3522dfc5d6e964214511ff68afce45da39987308dd9d62cee526e96070aca35ba4fa801cd3e5c32134ebeaa3da94a7d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_brvlu0ux.1rj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp2565.tmp

    Filesize

    1KB

    MD5

    1868c115ccdebdded9e2eacfb52a5744

    SHA1

    7167b571b43277a0f0e9c18dbe85ae92a370e93d

    SHA256

    38816b73b0584f6c077a1c1ebf3ddd68f2631d342ec7fd62f932f0fb0ed6b239

    SHA512

    de04ab555910bf5da334f531ec480eb55965f5b1c5bd8385e2e466e337712895cf3afca4a9a6f7b881fff9e7d556a2c618e2773ec12d008f3af6762d0bac7098

  • memory/2368-46-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2368-91-0x0000000006A60000-0x0000000006AB0000-memory.dmp

    Filesize

    320KB

  • memory/2368-92-0x0000000006C80000-0x0000000006E42000-memory.dmp

    Filesize

    1.8MB

  • memory/2400-8-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-7-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

    Filesize

    4KB

  • memory/2400-9-0x0000000004D80000-0x0000000004DEC000-memory.dmp

    Filesize

    432KB

  • memory/2400-10-0x000000000C2A0000-0x000000000C33C000-memory.dmp

    Filesize

    624KB

  • memory/2400-6-0x0000000006CF0000-0x0000000006D0E000-memory.dmp

    Filesize

    120KB

  • memory/2400-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

    Filesize

    4KB

  • memory/2400-5-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-4-0x0000000005320000-0x000000000532A000-memory.dmp

    Filesize

    40KB

  • memory/2400-3-0x0000000005340000-0x00000000053D2000-memory.dmp

    Filesize

    584KB

  • memory/2400-48-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-2-0x00000000058F0000-0x0000000005E94000-memory.dmp

    Filesize

    5.6MB

  • memory/2400-1-0x0000000000890000-0x000000000097A000-memory.dmp

    Filesize

    936KB

  • memory/2416-16-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/2416-81-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/2416-32-0x0000000005D10000-0x0000000006064000-memory.dmp

    Filesize

    3.3MB

  • memory/2416-23-0x0000000005B00000-0x0000000005B66000-memory.dmp

    Filesize

    408KB

  • memory/2416-15-0x00000000029F0000-0x0000000002A26000-memory.dmp

    Filesize

    216KB

  • memory/2416-24-0x0000000005CA0000-0x0000000005D06000-memory.dmp

    Filesize

    408KB

  • memory/2416-17-0x0000000005430000-0x0000000005A58000-memory.dmp

    Filesize

    6.2MB

  • memory/2416-22-0x0000000005A60000-0x0000000005A82000-memory.dmp

    Filesize

    136KB

  • memory/2416-89-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/2416-18-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/2416-25-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/2416-65-0x00000000074F0000-0x000000000750E000-memory.dmp

    Filesize

    120KB

  • memory/2416-52-0x0000000071120000-0x000000007116C000-memory.dmp

    Filesize

    304KB

  • memory/2416-51-0x0000000006880000-0x00000000068B2000-memory.dmp

    Filesize

    200KB

  • memory/2416-79-0x0000000007850000-0x000000000785E000-memory.dmp

    Filesize

    56KB

  • memory/2416-75-0x0000000007620000-0x000000000763A000-memory.dmp

    Filesize

    104KB

  • memory/2416-74-0x0000000007C70000-0x00000000082EA000-memory.dmp

    Filesize

    6.5MB

  • memory/5080-82-0x0000000007640000-0x0000000007648000-memory.dmp

    Filesize

    32KB

  • memory/5080-77-0x00000000075A0000-0x0000000007636000-memory.dmp

    Filesize

    600KB

  • memory/5080-78-0x0000000007520000-0x0000000007531000-memory.dmp

    Filesize

    68KB

  • memory/5080-73-0x0000000006FF0000-0x0000000007093000-memory.dmp

    Filesize

    652KB

  • memory/5080-80-0x0000000007560000-0x0000000007574000-memory.dmp

    Filesize

    80KB

  • memory/5080-53-0x0000000071120000-0x000000007116C000-memory.dmp

    Filesize

    304KB

  • memory/5080-76-0x0000000007390000-0x000000000739A000-memory.dmp

    Filesize

    40KB

  • memory/5080-19-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/5080-50-0x0000000006090000-0x00000000060DC000-memory.dmp

    Filesize

    304KB

  • memory/5080-49-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

    Filesize

    120KB

  • memory/5080-90-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/5080-20-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/5080-26-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB