snakekeylogger | 5044d3f1ea725f8e5fc050acc3e662620a97d498739968d35893977ebfe4d039

General

Target

Facturadeproforma.exe
Size

707KB
MD5

664a19476de212a8f36e094538f512ed
SHA1

6f41bcca2529af8b929cb0f012ef155750796e08
SHA256

5044d3f1ea725f8e5fc050acc3e662620a97d498739968d35893977ebfe4d039
SHA512

cb764b6fce5681d54aba60d06d2b362c35626b27b31b5e7e77d07aa7334ec75935d6b88e810206524a1bf2877f8b852e1c97202a10d44477a028d021da4c7128
SSDEEP

12288:LgMKhM39TXsTAi18rjXeJGeE/l1n7WRwzbyir78KW9t3zPA7cH:EMaci18rwGeE9dwYbyijW9tDAQ

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7979504653:AAFm_-f-R46w_TvBkt1kfgnnTRSttNIPYiY/sendMessage?chat_id=5600682828

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1076-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1076-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1076-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1076-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1076-11-0x0000000000400000-0x0000000000426000-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
1044	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 108 set thread context of 1076	108	Facturadeproforma.exe	34

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 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	Facturadeproforma.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
108	Facturadeproforma.exe
108	Facturadeproforma.exe
1076	RegSvcs.exe
1044	powershell.exe
1076	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	108	Facturadeproforma.exe
Token: SeDebugPrivilege	1076	RegSvcs.exe
Token: SeDebugPrivilege	1044	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 1044	108	Facturadeproforma.exe	31
PID 108 wrote to memory of 1044	108	Facturadeproforma.exe	31
PID 108 wrote to memory of 1044	108	Facturadeproforma.exe	31
PID 108 wrote to memory of 1044	108	Facturadeproforma.exe	31
PID 108 wrote to memory of 320	108	Facturadeproforma.exe	33
PID 108 wrote to memory of 320	108	Facturadeproforma.exe	33
PID 108 wrote to memory of 320	108	Facturadeproforma.exe	33
PID 108 wrote to memory of 320	108	Facturadeproforma.exe	33
PID 108 wrote to memory of 320	108	Facturadeproforma.exe	33
PID 108 wrote to memory of 320	108	Facturadeproforma.exe	33
PID 108 wrote to memory of 320	108	Facturadeproforma.exe	33
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34
PID 108 wrote to memory of 1076	108	Facturadeproforma.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Facturadeproforma.exe
"C:\Users\Admin\AppData\Local\Temp\Facturadeproforma.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:108
- 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\Facturadeproforma.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1044
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:320
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1076

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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/108-0-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/108-1-0x0000000000AC0000-0x0000000000B76000-memory.dmp

Filesize
728KB

Download
memory/108-2-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/108-3-0x00000000003E0000-0x0000000000406000-memory.dmp

Filesize
152KB

Download
memory/108-4-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/108-5-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/108-6-0x0000000000480000-0x00000000004EA000-memory.dmp

Filesize
424KB

Download
memory/108-20-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/1076-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1076-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1076-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1076-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1076-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1076-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1076-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1076-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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