snakekeylogger | 0374f4818c6b9ea88e9a8e8ae7f36ff7a7c66704fe110e3005b5ba6704d4edc4

General

Target

Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe
Size

2.2MB
MD5

3cf077ee2e506e16cc65d9d93d2d094e
SHA1

5e7b08bded387f0df8f01e9c15a4b10dd93fc33c
SHA256

0374f4818c6b9ea88e9a8e8ae7f36ff7a7c66704fe110e3005b5ba6704d4edc4
SHA512

cab26c72ff371a02e5e5576d6bcb0de06feb7b0b3d87671379107ba83ed3f38004f0de1f02f52fe5680d0f5c4d1529753491b9325de79756962eabc2113252ef
SSDEEP

49152:5WiP0wV0hJ5VGx6ODJ1+nEtWX33oG1SdvoGSbVUWE:dVUcUabFVeOWE

Score

10^/10

snakekeylogger discovery evasion execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7326718143:AAHCoPbdl01YWgtL8Z76U43CTNQwWuaC5Lk/sendMessage?chat_id=7121607304

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2904-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2904-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2904-17-0x0000000000400000-0x0000000000426000-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
1692	powershell.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..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 2508 set thread context of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34

System Location Discovery: System Language Discovery 1 TTPs 1 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	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	powershell.exe
2904	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	powershell.exe
Token: SeDebugPrivilege	2904	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 1692	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	31
PID 2508 wrote to memory of 1692	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	31
PID 2508 wrote to memory of 1692	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	31
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2820	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	33
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34
PID 2508 wrote to memory of 2904	2508	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe	34

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe

C:\Users\Admin\AppData\Local\Temp\Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe
"C:\Users\Admin\AppData\Local\Temp\Payment_Receipt_Copy.xlxss͏x͏l͏x͏..exe"
1⤵
- Disables RegEdit via registry modification
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2508
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2904

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

Modify Registry

1

T1112

Credential Access

Discovery

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/1692-4-0x000007FEF557E000-0x000007FEF557F000-memory.dmp

Filesize
4KB

Download
memory/1692-5-0x000000001B580000-0x000000001B862000-memory.dmp

Filesize
2.9MB

Download
memory/1692-6-0x00000000028E0000-0x00000000028E8000-memory.dmp

Filesize
32KB

Download
memory/1692-7-0x000007FEF52C0000-0x000007FEF5C5D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-8-0x000007FEF52C0000-0x000007FEF5C5D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-10-0x000007FEF52C0000-0x000007FEF5C5D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-9-0x000007FEF52C0000-0x000007FEF5C5D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-11-0x000007FEF52C0000-0x000007FEF5C5D000-memory.dmp

Filesize
9.6MB

Download
memory/1692-12-0x000007FEF52C0000-0x000007FEF5C5D000-memory.dmp

Filesize
9.6MB

Download
memory/2904-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2904-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2904-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2904-18-0x0000000073B5E000-0x0000000073B5F000-memory.dmp

Filesize
4KB

Download
memory/2904-19-0x0000000073B5E000-0x0000000073B5F000-memory.dmp

Filesize
4KB

Download

Analysis

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