Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 06:16

General

  • Target

    APQSKVTvd60SdAM.exe

  • Size

    909KB

  • MD5

    ff7e78da9c8e580229fe95dfdfe5b098

  • SHA1

    ab968e47e463f29426116753b0ca086fd5b33cdb

  • SHA256

    cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d

  • SHA512

    45517b8bc96613daeabb738a42188b8ef19b0ac2b53e3202f7d86f683dacdbe1c4a78414938ab5ad0b48b7c546bc89a78932e3b8a1dbf6604e59b4887de48409

  • SSDEEP

    12288:v9Qw+JBpSqWsX8yViJMjLDXGn6pYn21S20YDOcAvrFa1:lUJBp3WxqiJs2IYn21SwacAv

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vvtrade.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qVyP6qyv6MQCmZJBRs4t

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\APQSKVTvd60SdAM.exe
    "C:\Users\Admin\AppData\Local\Temp\APQSKVTvd60SdAM.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:3940
    • 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\APQSKVTvd60SdAM.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GJgncWe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2236
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GJgncWe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1400.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3584
    • C:\Users\Admin\AppData\Local\Temp\APQSKVTvd60SdAM.exe
      "C:\Users\Admin\AppData\Local\Temp\APQSKVTvd60SdAM.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:4988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\APQSKVTvd60SdAM.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • 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

    f8d2055a8ee53786fd280a4c77d2370c

    SHA1

    79dc3cb30a9b3d86923d76c94f15a4d50b18ef6f

    SHA256

    075ccd49af56ab6684432e0cf8737e4167d04f140559a086d53c91d201d73b5b

    SHA512

    b60b7b9ea4a875941949ff678c1c31509f3d862492c6c2eb8eacd08b3999b279cae1cc86ad3738e100a5187becc0b91e4c754cb52fa1d0a5683bf951159fe842

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0upzcrjx.y0o.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1400.tmp

    Filesize

    1KB

    MD5

    2c3755f8cda04c67463f8e9bbb8a7a4e

    SHA1

    4126a07800af0313200db24a1d118c9d695c71bf

    SHA256

    a44a715a46c747011487ed7d43c9fdf41e10b81940ba55f536492ca0e132c773

    SHA512

    0ebe28345867cf710038b63299ddb344ceca5a204b0a428c25bef7fe793787de7b27c618fecf7b7f228169639fd4cfb109b8f30b820d139bd369aaa0056bc5a8

  • memory/2236-83-0x0000000007F00000-0x0000000007F96000-memory.dmp

    Filesize

    600KB

  • memory/2236-44-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2236-95-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2236-84-0x0000000007E80000-0x0000000007E91000-memory.dmp

    Filesize

    68KB

  • memory/2236-72-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

    Filesize

    40KB

  • memory/2236-71-0x0000000007C80000-0x0000000007C9A000-memory.dmp

    Filesize

    104KB

  • memory/2236-70-0x00000000082C0000-0x000000000893A000-memory.dmp

    Filesize

    6.5MB

  • memory/2236-69-0x0000000007B70000-0x0000000007C13000-memory.dmp

    Filesize

    652KB

  • memory/2236-68-0x0000000006F30000-0x0000000006F4E000-memory.dmp

    Filesize

    120KB

  • memory/2236-58-0x0000000070E20000-0x0000000070E6C000-memory.dmp

    Filesize

    304KB

  • memory/2236-57-0x0000000007930000-0x0000000007962000-memory.dmp

    Filesize

    200KB

  • memory/2236-20-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2236-33-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-73-0x0000000070E20000-0x0000000070E6C000-memory.dmp

    Filesize

    304KB

  • memory/3676-86-0x0000000007010000-0x0000000007024000-memory.dmp

    Filesize

    80KB

  • memory/3676-94-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-38-0x00000000054A0000-0x00000000057F4000-memory.dmp

    Filesize

    3.3MB

  • memory/3676-88-0x00000000070F0000-0x00000000070F8000-memory.dmp

    Filesize

    32KB

  • memory/3676-87-0x0000000007110000-0x000000000712A000-memory.dmp

    Filesize

    104KB

  • memory/3676-39-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-32-0x0000000005430000-0x0000000005496000-memory.dmp

    Filesize

    408KB

  • memory/3676-30-0x00000000053C0000-0x0000000005426000-memory.dmp

    Filesize

    408KB

  • memory/3676-85-0x0000000007000000-0x000000000700E000-memory.dmp

    Filesize

    56KB

  • memory/3676-24-0x0000000005320000-0x0000000005342000-memory.dmp

    Filesize

    136KB

  • memory/3676-15-0x00000000044D0000-0x0000000004506000-memory.dmp

    Filesize

    216KB

  • memory/3676-17-0x0000000004B40000-0x0000000005168000-memory.dmp

    Filesize

    6.2MB

  • memory/3676-16-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-55-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

    Filesize

    120KB

  • memory/3676-19-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-56-0x0000000005EC0000-0x0000000005F0C000-memory.dmp

    Filesize

    304KB

  • memory/3940-4-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3940-7-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/3940-5-0x0000000005710000-0x000000000571A000-memory.dmp

    Filesize

    40KB

  • memory/3940-9-0x0000000006F40000-0x0000000006FBE000-memory.dmp

    Filesize

    504KB

  • memory/3940-3-0x0000000005630000-0x00000000056C2000-memory.dmp

    Filesize

    584KB

  • memory/3940-10-0x000000000ABA0000-0x000000000AC3C000-memory.dmp

    Filesize

    624KB

  • memory/3940-1-0x0000000000B70000-0x0000000000C5A000-memory.dmp

    Filesize

    936KB

  • memory/3940-6-0x0000000005980000-0x000000000599E000-memory.dmp

    Filesize

    120KB

  • memory/3940-36-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3940-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

    Filesize

    5.6MB

  • memory/3940-0-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/3940-8-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4988-99-0x0000000006FE0000-0x000000000750C000-memory.dmp

    Filesize

    5.2MB

  • memory/4988-37-0x0000000005220000-0x000000000526E000-memory.dmp

    Filesize

    312KB

  • memory/4988-22-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4988-23-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4988-21-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4988-35-0x0000000002D10000-0x0000000002D60000-memory.dmp

    Filesize

    320KB

  • memory/4988-96-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4988-97-0x00000000068E0000-0x0000000006AA2000-memory.dmp

    Filesize

    1.8MB

  • memory/4988-98-0x0000000006780000-0x00000000067D0000-memory.dmp

    Filesize

    320KB

  • memory/4988-45-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB