snakekeylogger | 40d966464cd7ad55d8ed44d2dd1208d72a85425b360934aa47abaa4df58623da

General

Target

hareketleriniz.exe
Size

4.9MB
MD5

3f0aa4d50657a6d3d4c9fef1ec75d02e
SHA1

d345f158ed80e33425c2f948b5110be810a13e59
SHA256

c1580e67c99a2ea0c669cdf47afd9796b9222250da206b70403a2f0bba9e1564
SHA512

66b713afe613941f7b73a636049a82e8411cb1baaf3596d43d49fa359252badfcbdf9129240c2d755d84df5a7f7290bf664e2f9d8eae9a25f863aa2b508f7c6d
SSDEEP

49152:V/nG41Q+Ue+S3SlFYZ/bOvNR6DXhdboT3Y0hoApjq9vnUiQagE1gvaV6H5Oi88DX:V/e+UeRBGyJcLfrolLtaOjNsFX

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7924749806:AAG-WJhqQVHwMR7UVUYahs5tVC-3tNXnruE/sendMessage?chat_id=7009913093

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2540-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2540-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2540-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2540-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.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 2628 set thread context of 2540	2628	hareketleriniz.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2540	regasm.exe
2540	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	regasm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2540	2628	hareketleriniz.exe	31
PID 2628 wrote to memory of 2804	2628	hareketleriniz.exe	32
PID 2628 wrote to memory of 2804	2628	hareketleriniz.exe	32
PID 2628 wrote to memory of 2804	2628	hareketleriniz.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\hareketleriniz.exe
"C:\Users\Admin\AppData\Local\Temp\hareketleriniz.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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:2540
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2628 -s 620
  2⤵
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 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/2540-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2540-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2540-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2540-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2540-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2540-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2540-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2628-1-0x0000000000EB0000-0x00000000013A4000-memory.dmp

Filesize
5.0MB

Download
memory/2628-2-0x00000000004C0000-0x0000000000538000-memory.dmp

Filesize
480KB

Download
memory/2628-3-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download
memory/2628-0-0x000007FEF5F13000-0x000007FEF5F14000-memory.dmp

Filesize
4KB

Download
memory/2628-18-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download

Analysis

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