snakekeylogger | 3a2e31f2844df5cb91eedbf24c0b93de4b0aa08525f733132c2bce0d7ab81acc

Resubmissions

10-11-2024 21:28

241110-1bhk6avgrr 10

Analysis

max time kernel
62s
max time network
104s
platform
windows7_x64
resource
win7-20241023-en
submitted
10-11-2024 21:28

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General

Target

0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5542941782:AAFlsn_FCfYT7D_ZthXK_Udd4a15AE58_Wg/sendMessage?chat_id=2054148913

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral16/memory/2864-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral16/memory/2864-27-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral16/memory/2864-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral16/memory/2864-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral16/memory/2864-20-0x0000000000400000-0x0000000000426000-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
2796	powershell.exe

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 2208 set thread context of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1804	2864	WerFault.exe	35

System Location Discovery: System Language Discovery 1 TTPs 4 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	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.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	MSBuild.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
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2864	MSBuild.exe
2796	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	MSBuild.exe
Token: SeDebugPrivilege	2796	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2796	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	31
PID 2208 wrote to memory of 2796	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	31
PID 2208 wrote to memory of 2796	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	31
PID 2208 wrote to memory of 2796	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	31
PID 2208 wrote to memory of 2716	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	33
PID 2208 wrote to memory of 2716	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	33
PID 2208 wrote to memory of 2716	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	33
PID 2208 wrote to memory of 2716	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	33
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2208 wrote to memory of 2864	2208	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	35
PID 2864 wrote to memory of 1804	2864	MSBuild.exe	36
PID 2864 wrote to memory of 1804	2864	MSBuild.exe	36
PID 2864 wrote to memory of 1804	2864	MSBuild.exe	36
PID 2864 wrote to memory of 1804	2864	MSBuild.exe	36

C:\Users\Admin\AppData\Local\Temp\0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe
"C:\Users\Admin\AppData\Local\Temp\0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pfERLUVCmPr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2796
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pfERLUVCmPr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2491.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 1068
    3⤵
    - Program crash
    PID:1804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2491.tmp

Filesize
1KB

MD5
9ab60d0c8878057b103b4ebe5f99a281

SHA1
83d5e98718dafa6655c14f509e6098a60bc18aee

SHA256
54b80847f4ee42ad9e45b154cef0a8cd148f760c3203181601214c2fa1884540

SHA512
d0a3e72628f35e1b9054553c0fc6a4f53c879c29bc2a99e103b0aeecbb58aa56e410fff73bc7c940168c4506076147928052a309c9416336f8e5e95fa69719bc

Download Submit
memory/2208-4-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2208-3-0x0000000000D90000-0x0000000000DA6000-memory.dmp

Filesize
88KB

Download
memory/2208-15-0x0000000004AD0000-0x0000000004AF6000-memory.dmp

Filesize
152KB

Download
memory/2208-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2208-5-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-6-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/2208-7-0x0000000004B30000-0x0000000004B90000-memory.dmp

Filesize
384KB

Download
memory/2208-1-0x0000000000FA0000-0x000000000106C000-memory.dmp

Filesize
816KB

Download
memory/2208-28-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-2-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2864-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-27-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-24-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download