snakekeylogger | 5f8be56dea9bea8e39fe710325e59720a3168500a07cf780abbc0cbf0b3249ce

General

Target

d68996a2f45b0789f9459f2d5febb7d3.exe
Size

691KB
MD5

d68996a2f45b0789f9459f2d5febb7d3
SHA1

76a9cccd1ff91fc37b784ce3ca9db0d3782abf6a
SHA256

5f8be56dea9bea8e39fe710325e59720a3168500a07cf780abbc0cbf0b3249ce
SHA512

995bfbd2e53d3e10190fea34011c912aa754dfb680c9152b60d0fdee1b48cc1f30ad43f5309d4f95cb0b2577186c6528e355ffc5facf9d1ab80f1deede950ac2
SSDEEP

12288:hXtcgcGkQRq7jjYZcq7St7BlgK6dYINDBJ90upqtg7Y3H0kIdO:h6wkdYuISt7BSzdRNtEgqtlkk

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6581815121:AAHhziZ2mQS5qcx02h_Vx6A5dDt8ehDjIWw/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/3248-9-0x0000000140000000-0x0000000140022000-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-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\16.0\Outlook\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:

d68996a2f45b0789f9459f2d5febb7d3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fffffff = "C:\\Users\\Admin\\AppData\\Roaming\\fffffff.exe"	d68996a2f45b0789f9459f2d5febb7d3.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

26 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

d68996a2f45b0789f9459f2d5febb7d3.exe

description pid process target process

PID 1256 set thread context of 3248 1256 d68996a2f45b0789f9459f2d5febb7d3.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

3248 MSBuild.exe
3248 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d68996a2f45b0789f9459f2d5febb7d3.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1256 d68996a2f45b0789f9459f2d5febb7d3.exe
Token: SeDebugPrivilege 3248 MSBuild.exe

flow	ioc
26	checkip.dyndns.org

description	pid	process	target process
PID 1256 set thread context of 3248	1256	d68996a2f45b0789f9459f2d5febb7d3.exe	MSBuild.exe

pid	process
3248	MSBuild.exe
3248	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1256	d68996a2f45b0789f9459f2d5febb7d3.exe
Token: SeDebugPrivilege	3248	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d68996a2f45b0789f9459f2d5febb7d3.exe

description	pid	process	target process
PID 1256 wrote to memory of 3248	1256	d68996a2f45b0789f9459f2d5febb7d3.exe	MSBuild.exe
PID 1256 wrote to memory of 3248	1256	d68996a2f45b0789f9459f2d5febb7d3.exe	MSBuild.exe
PID 1256 wrote to memory of 3248	1256	d68996a2f45b0789f9459f2d5febb7d3.exe	MSBuild.exe
PID 1256 wrote to memory of 3248	1256	d68996a2f45b0789f9459f2d5febb7d3.exe	MSBuild.exe
PID 1256 wrote to memory of 3248	1256	d68996a2f45b0789f9459f2d5febb7d3.exe	MSBuild.exe
PID 1256 wrote to memory of 3248	1256	d68996a2f45b0789f9459f2d5febb7d3.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\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-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\d68996a2f45b0789f9459f2d5febb7d3.exe
"C:\Users\Admin\AppData\Local\Temp\d68996a2f45b0789f9459f2d5febb7d3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256

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:3248

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

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Downloads

memory/1256-11-0x00007FF8D5FB0000-0x00007FF8D6A71000-memory.dmp

Filesize
10.8MB

Download
memory/1256-1-0x00007FF8D5FB0000-0x00007FF8D6A71000-memory.dmp

Filesize
10.8MB

Download
memory/1256-2-0x000002B7E14E0000-0x000002B7E14F0000-memory.dmp

Filesize
64KB

Download
memory/1256-3-0x000002B7C8C50000-0x000002B7C8C98000-memory.dmp

Filesize
288KB

Download
memory/1256-4-0x000002B7C74E0000-0x000002B7C7516000-memory.dmp

Filesize
216KB

Download
memory/1256-5-0x000002B7E16A0000-0x000002B7E16EC000-memory.dmp

Filesize
304KB

Download
memory/1256-6-0x00007FF8D5FB0000-0x00007FF8D6A71000-memory.dmp

Filesize
10.8MB

Download
memory/1256-7-0x000002B7E14E0000-0x000002B7E14F0000-memory.dmp

Filesize
64KB

Download
memory/1256-0-0x000002B7C6DF0000-0x000002B7C6EA4000-memory.dmp

Filesize
720KB

Download
memory/3248-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/3248-12-0x00007FF8D5FB0000-0x00007FF8D6A71000-memory.dmp

Filesize
10.8MB

Download
memory/3248-13-0x000002B42F510000-0x000002B42F520000-memory.dmp

Filesize
64KB

Download
memory/3248-14-0x000002B430D40000-0x000002B430D90000-memory.dmp

Filesize
320KB

Download
memory/3248-15-0x000002B449A30000-0x000002B449BF2000-memory.dmp

Filesize
1.8MB

Download
memory/3248-16-0x00007FF8D5FB0000-0x00007FF8D6A71000-memory.dmp

Filesize
10.8MB

Download
memory/3248-17-0x000002B42F510000-0x000002B42F520000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads