snakekeylogger | b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2

General

Target

b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe
Size

1.1MB
MD5

011f3bebde38bdac8ceaebfbff201f4a
SHA1

bb5769d029c5f202e823e038aab2aae454cf0299
SHA256

b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2
SHA512

161838d1df3f6b7d7c2d61f98fc5fc55a30281e24433a5fc49a52aad0182bd5c5d581ba294c2a96878d93dc8536499d79a08f8aac879dc0eb5bee7f46b429cdf
SSDEEP

12288:a93TVasGFa3nj6mYdrlXeohkdm8odEH8o4+AJDYv+6c0xlskR:a9l53jVYRXebsf19DEJ/

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7971510363:AAH477ofdLYaboEb0PeeyOtbxApvVZT953M/sendMessage?chat_id=7405587880

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1972-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1972-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1972-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1972-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1972-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2220	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1972	vbc.exe
2220	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	vbc.exe
Token: SeDebugPrivilege	2220	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2220	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	31
PID 2848 wrote to memory of 2220	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	31
PID 2848 wrote to memory of 2220	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	31
PID 2848 wrote to memory of 2220	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	31
PID 2848 wrote to memory of 2828	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	32
PID 2848 wrote to memory of 2828	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	32
PID 2848 wrote to memory of 2828	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	32
PID 2848 wrote to memory of 2828	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	32
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 2848 wrote to memory of 1972	2848	b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe	35
PID 1972 wrote to memory of 2768	1972	vbc.exe	37
PID 1972 wrote to memory of 2768	1972	vbc.exe	37
PID 1972 wrote to memory of 2768	1972	vbc.exe	37
PID 1972 wrote to memory of 2768	1972	vbc.exe	37
PID 2768 wrote to memory of 1644	2768	cmd.exe	39
PID 2768 wrote to memory of 1644	2768	cmd.exe	39
PID 2768 wrote to memory of 1644	2768	cmd.exe	39
PID 2768 wrote to memory of 1644	2768	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe
"C:\Users\Admin\AppData\Local\Temp\b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BtnoWSiF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BtnoWSiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA303.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:1644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA303.tmp

Filesize
1KB

MD5
8d7d1be361758cddc79024b56d8f56bd

SHA1
3feb74257144590fec850d4f66e855862916e742

SHA256
9624016318b9246054388c20ddfea9e93ceff503effe0c4abcf012b67af8c3c5

SHA512
cf68d9c986bba6fe36396fcdd64c3ec944da865ed9a23fa80f8b8c806a0ea25ccd2514c22f7cbe0228eb817172df6784c8b0d57af1ed4ea46de0aac5e3211603

Download Submit
memory/1972-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1972-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1972-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1972-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1972-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1972-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1972-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1972-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2848-5-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download
memory/2848-2-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-1-0x00000000010A0000-0x00000000011B2000-memory.dmp

Filesize
1.1MB

Download
memory/2848-0-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download
memory/2848-3-0x0000000004890000-0x0000000004940000-memory.dmp

Filesize
704KB

Download
memory/2848-27-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-7-0x0000000000550000-0x00000000005B8000-memory.dmp

Filesize
416KB

Download
memory/2848-6-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-4-0x00000000003E0000-0x00000000003FC000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads