snakekeylogger | cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e

General

Target

cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe
Size

22KB
MD5

3c68b70b369230bfc695f391be176da9
SHA1

46c464f0d1cffeadcdd93c6c86c288860089c78a
SHA256

cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e
SHA512

5bf26ecaadd2831f798ffaa899508f9621b261959540656c93e5b0d51af74e566157fc9f5fa3e9be4f5a24cb701c690bc8b2e72291f412399bd1710a240d0efc
SSDEEP

384:MUTTskJkdw5HKWNPnbn+b/AeH9F9wGjEnAtNCSGFqU9:/5EwYqPbn+rLXiiEnuCLFqU9

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6563963046:AAGlyBHZ_ALQCHnOUZcYa0FHqP2za43gVaM/sendMessage?chat_id=5262627523

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4536-9-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sssssss = "C:\\Users\\Admin\\AppData\\Roaming\\sssssss.exe"	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.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.

Processes:

flow ioc

112 checkip.dyndns.org

flow	ioc
112	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe

description	pid	process	target process
PID 644 set thread context of 4536	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

MSBuild.exe

pid process

4536 MSBuild.exe
4536 MSBuild.exe
4536 MSBuild.exe

pid	process
4536	MSBuild.exe
4536	MSBuild.exe
4536	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe
Token: SeDebugPrivilege	4536	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe

description	pid	process	target process
PID 644 wrote to memory of 4536	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe	MSBuild.exe
PID 644 wrote to memory of 4536	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe	MSBuild.exe
PID 644 wrote to memory of 4536	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe	MSBuild.exe
PID 644 wrote to memory of 4536	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe	MSBuild.exe
PID 644 wrote to memory of 4536	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe	MSBuild.exe
PID 644 wrote to memory of 4536	644	cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe
"C:\Users\Admin\AppData\Local\Temp\cad1feb442eba9bbe034cadb76a076607f5ebc98c499255c2971e743c40d681e_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/644-12-0x00007FFA74F70000-0x00007FFA75A31000-memory.dmp

Filesize
10.8MB

Download
memory/644-1-0x00007FFA74F70000-0x00007FFA75A31000-memory.dmp

Filesize
10.8MB

Download
memory/644-2-0x000002B26A8F0000-0x000002B26A900000-memory.dmp

Filesize
64KB

Download
memory/644-3-0x000002B26A080000-0x000002B26A0C8000-memory.dmp

Filesize
288KB

Download
memory/644-4-0x000002B26AB40000-0x000002B26AB76000-memory.dmp

Filesize
216KB

Download
memory/644-5-0x000002B26ABF0000-0x000002B26AC3C000-memory.dmp

Filesize
304KB

Download
memory/644-6-0x00007FFA74F70000-0x00007FFA75A31000-memory.dmp

Filesize
10.8MB

Download
memory/644-7-0x000002B26A8F0000-0x000002B26A900000-memory.dmp

Filesize
64KB

Download
memory/644-0-0x000002B268350000-0x000002B26835C000-memory.dmp

Filesize
48KB

Download
memory/4536-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/4536-13-0x00000166F86F0000-0x00000166F8700000-memory.dmp

Filesize
64KB

Download
memory/4536-11-0x00007FFA74F70000-0x00007FFA75A31000-memory.dmp

Filesize
10.8MB

Download
memory/4536-14-0x00000166F8660000-0x00000166F86B0000-memory.dmp

Filesize
320KB

Download
memory/4536-15-0x00000166F8B10000-0x00000166F8CD2000-memory.dmp

Filesize
1.8MB

Download
memory/4536-16-0x00007FFA74F70000-0x00007FFA75A31000-memory.dmp

Filesize
10.8MB

Download
memory/4536-17-0x00000166F86F0000-0x00000166F8700000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads