snakekeylogger | 505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78

General

Target

505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
Size

512KB
MD5

973947da93027a6c61b949ab7f44f956
SHA1

3daf77c22b19276e29137ec95b0ec90249aeb6b5
SHA256

505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78
SHA512

35ca5d7566d7b656d3843c555311324ac3f7173a36a331e522e4886ff41dda0d7e803feb57bd617c57bcb81bdffc62971afc512bf2d49f010e968a8bb14cf3ce
SSDEEP

12288:tt7kvCaWgLfmVJik+ZUbCPGCrtGhtu7STpJE:ttoCaWgLfwi5ZR9Ghtu7

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2924-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2924-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2924-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2924-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2924-11-0x0000000000400000-0x0000000000426000-memory.dmp	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
2920	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 1076 set thread context of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32

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
2336	2924	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 3 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	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
2924	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
2920	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
Token: SeDebugPrivilege	2924	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
Token: SeDebugPrivilege	2920	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2920	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	30
PID 1076 wrote to memory of 2920	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	30
PID 1076 wrote to memory of 2920	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	30
PID 1076 wrote to memory of 2920	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	30
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 1076 wrote to memory of 2924	1076	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	32
PID 2924 wrote to memory of 2336	2924	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	34
PID 2924 wrote to memory of 2336	2924	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	34
PID 2924 wrote to memory of 2336	2924	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	34
PID 2924 wrote to memory of 2336	2924	505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe	34

C:\Users\Admin\AppData\Local\Temp\505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
"C:\Users\Admin\AppData\Local\Temp\505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1076
- 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\505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2920
- C:\Users\Admin\AppData\Local\Temp\505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe
  "C:\Users\Admin\AppData\Local\Temp\505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 1096
    3⤵
    - Program crash
    PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/1076-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1076-1-0x0000000000C70000-0x0000000000CF6000-memory.dmp

Filesize
536KB

Download
memory/1076-2-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1076-3-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/1076-4-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1076-5-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1076-6-0x0000000004DD0000-0x0000000004E38000-memory.dmp

Filesize
416KB

Download
memory/1076-22-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2924-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-23-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-26-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-27-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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