snakekeylogger | 82107247e3738a1675cf511dd4c051fb438dd1a973171318e960b406246fcf93

General

Target

file.exe
Size

682KB
MD5

92e84c83303cdc492eaaed0e1e4b79c6
SHA1

ce2f5255abed1a4b241ecdd627f6d247594904ae
SHA256

82107247e3738a1675cf511dd4c051fb438dd1a973171318e960b406246fcf93
SHA512

12edf1453fa0ab19d32a47a0aef36481abe66f5bcb30f68028e6924abcfbd7b0bc87759b36bd6fd978b8ca051b0a6c5e69cd11eae320459eeb3da4f5ea922558
SSDEEP

12288:xIaOq+A8QSkKd5g3yF369jmP6KXbizoJcPw32Awi7BAkR:iar+5g3yB6tOLizoJX

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7822875840:AAE1dEB39_r2yuQHwPOz--iI8ECcmIivnQs/sendMessage?chat_id=7342994424

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2532-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2532-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2532-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2532-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2532-18-0x0000000000400000-0x0000000000426000-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
2752	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 2876 set thread context of 2532	2876	file.exe	34

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
2680	2532	WerFault.exe	34

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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
1948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2876	file.exe
2876	file.exe
2876	file.exe
2876	file.exe
2876	file.exe
2532	RegSvcs.exe
2752	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	file.exe
Token: SeDebugPrivilege	2532	RegSvcs.exe
Token: SeDebugPrivilege	2752	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2752	2876	file.exe	30
PID 2876 wrote to memory of 2752	2876	file.exe	30
PID 2876 wrote to memory of 2752	2876	file.exe	30
PID 2876 wrote to memory of 2752	2876	file.exe	30
PID 2876 wrote to memory of 1948	2876	file.exe	32
PID 2876 wrote to memory of 1948	2876	file.exe	32
PID 2876 wrote to memory of 1948	2876	file.exe	32
PID 2876 wrote to memory of 1948	2876	file.exe	32
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2876 wrote to memory of 2532	2876	file.exe	34
PID 2532 wrote to memory of 2680	2532	RegSvcs.exe	36
PID 2532 wrote to memory of 2680	2532	RegSvcs.exe	36
PID 2532 wrote to memory of 2680	2532	RegSvcs.exe	36
PID 2532 wrote to memory of 2680	2532	RegSvcs.exe	36

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aVmZDnwW.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aVmZDnwW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE87.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1068
    3⤵
    - Program crash
    PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

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\tmpAE87.tmp

Filesize
1KB

MD5
465980e0cdf58464797a779184c76569

SHA1
d7a31ffaa308c5b5c81f2daae2dc2b64c5c2f582

SHA256
e3db0d265bf52cfe822d172f716508eefb092990ac971f84d1b716482f492a2a

SHA512
c732ede48f19f8d496d07f9cfe698ab567789533b94be258b495d875547598d6e641336df5f7b719ab14e90be1512c8c78d3d188109f4da4a4271fbb0aa827a7

Download Submit
memory/2532-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-5-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-1-0x00000000010D0000-0x000000000117C000-memory.dmp

Filesize
688KB

Download
memory/2876-2-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2876-6-0x0000000007D40000-0x0000000007DAC000-memory.dmp

Filesize
432KB

Download
memory/2876-4-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2876-3-0x00000000003F0000-0x0000000000408000-memory.dmp

Filesize
96KB

Download
memory/2876-26-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads