snakekeylogger | 072b92084f2b1be33976bd6ab9d025c514510fbd8aaf64c2c5dae57a8c73223a

General

Target

RQF.exe
Size

557KB
MD5

45f23b46fdb2369386e67c7f44d08a0c
SHA1

c3150b08e3694a5c63c78a43c3caed0b7e6483c4
SHA256

bfa4e5031ae699c4d919e62752246cdf250c1022e571e2d3927eb65b4eb07d20
SHA512

7d1cb376e28c887ea2f41c17ffce239757a97b937a6cecb7826c3c6f870f9c06034978f46874d5960db4c7b3095e976a4e3bdb7568dd31105cb06aaf65b0e2d1
SSDEEP

12288:swLfkTboqRi6NVuk9/GCzs3CrZWSom+ZobYl2H:sw56NbOCzxwSoFZobx

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger spyware 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/2692-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2692-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2176	powershell.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQF.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQF.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQF.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 2624 set thread context of 2692	2624	RQF.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	RQF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RQF.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2624	RQF.exe
2624	RQF.exe
2692	RQF.exe
2176	powershell.exe
2692	RQF.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	RQF.exe
Token: SeDebugPrivilege	2692	RQF.exe
Token: SeDebugPrivilege	2176	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2176	2624	RQF.exe	30
PID 2624 wrote to memory of 2176	2624	RQF.exe	30
PID 2624 wrote to memory of 2176	2624	RQF.exe	30
PID 2624 wrote to memory of 2176	2624	RQF.exe	30
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32
PID 2624 wrote to memory of 2692	2624	RQF.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQF.exe

C:\Users\Admin\AppData\Local\Temp\RQF.exe
"C:\Users\Admin\AppData\Local\Temp\RQF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624
- 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\RQF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2176
- C:\Users\Admin\AppData\Local\Temp\RQF.exe
  "C:\Users\Admin\AppData\Local\Temp\RQF.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:2692

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2624-0-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/2624-1-0x0000000000BE0000-0x0000000000C70000-memory.dmp

Filesize
576KB

Download
memory/2624-2-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-3-0x0000000004760000-0x00000000047EC000-memory.dmp

Filesize
560KB

Download
memory/2624-4-0x0000000000690000-0x00000000006A8000-memory.dmp

Filesize
96KB

Download
memory/2624-5-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/2624-6-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-7-0x0000000004A40000-0x0000000004AA8000-memory.dmp

Filesize
416KB

Download
memory/2624-21-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-20-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2692-22-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-25-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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