snakekeylogger | 23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f

General

Target

23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe
Size

153KB
MD5

650de0e3d5a76ee569312726b2ccd79e
SHA1

5e11c60e34e4646f6fcfc210709c8a4c83e37ec9
SHA256

23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f
SHA512

d248cc963f4ce1c5034bb9c7e0971b1607b2228a71b60e8880eeff17f06797b47db63ca5b2568e9f8b9554e468a32e27930c926e2fcb4b82e10590e2ef11a2b3
SSDEEP

3072:SVQAASLDjgl/8mgT9O4sP3fxEdXVCP9mPc7X9tMHjCSI8KGLQT3:SqA7LD6/6T9O/v+X56MOSI8KGLQT

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral1/memory/5032-134-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.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
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4464 set thread context of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe
4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe
5032	Caspol.exe
5032	Caspol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe
Token: SeDebugPrivilege	5032	Caspol.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 4376	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	84
PID 4464 wrote to memory of 4376	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	84
PID 4464 wrote to memory of 4376	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	84
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85
PID 4464 wrote to memory of 5032	4464	23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe
"C:\Users\Admin\AppData\Local\Temp\23bccc733779e2c39a4ce431a77b9f3317817972fc118f70ce59b735d98fe89f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:4376
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4464-133-0x000001D9D60D0000-0x000001D9D60FC000-memory.dmp

Filesize
176KB

Download
memory/5032-134-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5032-136-0x0000000005E70000-0x0000000006414000-memory.dmp

Filesize
5.6MB

Download
memory/5032-137-0x00000000059C0000-0x0000000005A5C000-memory.dmp

Filesize
624KB

Download
memory/5032-138-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download
memory/5032-139-0x0000000006A70000-0x0000000006C32000-memory.dmp

Filesize
1.8MB

Download
memory/5032-140-0x0000000006C40000-0x0000000006CD2000-memory.dmp

Filesize
584KB

Download
memory/5032-141-0x0000000006A00000-0x0000000006A0A000-memory.dmp

Filesize
40KB

Download
memory/5032-142-0x00000000059A0000-0x00000000059B0000-memory.dmp

Filesize
64KB

Download

Analysis

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