snakekeylogger | ed1420f9f2247b8c6d968787af2dc71266abd66a282f7103a6525113e3084a59

General

Target

PAGO SWIFT pdf.exe
Size

869KB
MD5

a1279890aeb8abe7f5f043b844c37610
SHA1

f499167373d11cfd9f006e32ba493dea460876cf
SHA256

ac3e59d452c9afd22e61846b9f5d1b475c0fb1e9ee0a890dea660a61280bce57
SHA512

54a0b3563ccb793e1940b2b18989b39e99feee47b4f180d569ded5f8e848f70c18e0e4a1f83ac5dd3250f5852d77138ded558f5ec71e8445456002f9709d111c
SSDEEP

12288:xd0N/PDnN55KQbbjQZEiAGaYwUyNLIUZBvTPEviFZEhmDL1xIrZlXXLRuAUY6IkB:r0BLnN55KQbnQEYwUsDLEIE0D

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/2356-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2356-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2356-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2356-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2356-15-0x0000000000400000-0x0000000000426000-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
1984	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1284 set thread context of 2356	1284	PAGO SWIFT pdf.exe	32

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	PAGO SWIFT pdf.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 3 IoCs

pid	Process
2356	RegSvcs.exe
1984	powershell.exe
2356	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	RegSvcs.exe
Token: SeDebugPrivilege	1984	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1984	1284	PAGO SWIFT pdf.exe	31
PID 1284 wrote to memory of 1984	1284	PAGO SWIFT pdf.exe	31
PID 1284 wrote to memory of 1984	1284	PAGO SWIFT pdf.exe	31
PID 1284 wrote to memory of 1984	1284	PAGO SWIFT pdf.exe	31
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32
PID 1284 wrote to memory of 2356	1284	PAGO SWIFT pdf.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PAGO SWIFT pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAGO SWIFT pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1284
- 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\PAGO SWIFT pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1984
- 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:2356

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

Replay Monitor

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Downloads

memory/1284-0-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/1284-1-0x00000000003A0000-0x0000000000480000-memory.dmp

Filesize
896KB

Download
memory/1284-2-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/1284-3-0x0000000000610000-0x000000000062E000-memory.dmp

Filesize
120KB

Download
memory/1284-4-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/1284-5-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/1284-6-0x0000000001EE0000-0x0000000001F4A000-memory.dmp

Filesize
424KB

Download
memory/1284-21-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2356-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2356-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2356-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2356-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2356-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2356-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2356-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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