snakekeylogger | 78640daf96e800aaa2f8f2d17b78a9ca692f21ca75cc093068f409f0488c067a

General

Target

SOA SEPT.exe
Size

545KB
MD5

29f1f7c0d09a311fe6cefc03075f12cc
SHA1

778cf1a998de563ab9412b11834d5434a9cea9f8
SHA256

e98c809fa3258402da807f6cec7900af1c8ebd1651e8bf2100e10d6380839e6d
SHA512

a94046cdd4e0c6ea7bbb145af9287872e0524e770107a04f4ef0ddc105c08103094d5b6b17297518001ed669383b58633529cdded2230e73b86acb64eae45d97
SSDEEP

12288:c3HI6QQiHv6sWPNl/MVe3qIEQPpYLu5MF+mRqPN9UsC:OHItQiPFONl/nDtUIZ5Pb

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7399492470:AAF1Q52TLq6uEICFiCVrLu9dpROnjh2wukI/sendMessage?chat_id=1443320838

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2936-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2936-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2936-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2936-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2936-13-0x0000000000400000-0x0000000000426000-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
2696	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 3 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

Credentials from Web Browsers
T1555.003

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	SOA SEPT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA SEPT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA SEPT.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 2244 set thread context of 2936	2244	SOA SEPT.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	SOA SEPT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SOA SEPT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2244	SOA SEPT.exe
2244	SOA SEPT.exe
2936	SOA SEPT.exe
2696	powershell.exe
2936	SOA SEPT.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	SOA SEPT.exe
Token: SeDebugPrivilege	2936	SOA SEPT.exe
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2696	2244	SOA SEPT.exe	30
PID 2244 wrote to memory of 2696	2244	SOA SEPT.exe	30
PID 2244 wrote to memory of 2696	2244	SOA SEPT.exe	30
PID 2244 wrote to memory of 2696	2244	SOA SEPT.exe	30
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32
PID 2244 wrote to memory of 2936	2244	SOA SEPT.exe	32

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	SOA SEPT.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	SOA SEPT.exe

C:\Users\Admin\AppData\Local\Temp\SOA SEPT.exe
"C:\Users\Admin\AppData\Local\Temp\SOA SEPT.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244
- 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\SOA SEPT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\SOA SEPT.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA SEPT.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:2936

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/2244-23-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-2-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-0-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2244-3-0x0000000000790000-0x00000000007A2000-memory.dmp

Filesize
72KB

Download
memory/2244-4-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2244-5-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-6-0x0000000004EB0000-0x0000000004F1C000-memory.dmp

Filesize
432KB

Download
memory/2244-1-0x0000000001060000-0x00000000010EE000-memory.dmp

Filesize
568KB

Download
memory/2936-27-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2936-22-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2936-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2936-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2936-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2936-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2936-24-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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