snakekeylogger | da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e

General

Target

da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe
Size

580KB
MD5

68ea88ab97c52f5c4ce75ce445f9aead
SHA1

02735913dab48e3702ac3b3fd0072ae2e7cb5c63
SHA256

da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e
SHA512

f809c2b1a6cc926c8f45d1f43a60a016f3818aefd5446ae538c025b0cfb2f3125da9cb34aec3a1be2c15c906f8a1d12e7ee0023c3ce69b9a6047a87be07dee5d
SSDEEP

12288:+Dtt6a4K/a/G4rgdwKVOT2dB2mPTVJSyPzu5usx+XtYYI:+BAaBaG4HKr76yPzux

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/2168-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2168-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2168-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2168-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2168-13-0x0000000000400000-0x0000000000426000-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
2820	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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
9	reallyfreegeoip.org
4	checkip.dyndns.org
8	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33

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	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.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
2168	RegSvcs.exe
2820	powershell.exe
2168	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	RegSvcs.exe
Token: SeDebugPrivilege	2820	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2820	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	31
PID 2700 wrote to memory of 2820	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	31
PID 2700 wrote to memory of 2820	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	31
PID 2700 wrote to memory of 2820	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	31
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33
PID 2700 wrote to memory of 2168	2700	da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe
"C:\Users\Admin\AppData\Local\Temp\da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- 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\da2fcae0d75bf3aba109c8d4010ae5db5add095496db883c257deaf78e9bfd0e.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- 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:2168

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/2168-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2168-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2168-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2168-18-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2168-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2168-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2168-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2168-22-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-5-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-3-0x0000000001EF0000-0x0000000001F08000-memory.dmp

Filesize
96KB

Download
memory/2700-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/2700-2-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-6-0x0000000005280000-0x00000000052EA000-memory.dmp

Filesize
424KB

Download
memory/2700-1-0x0000000000A50000-0x0000000000AE8000-memory.dmp

Filesize
608KB

Download
memory/2700-19-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-4-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download

Analysis

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