snakekeylogger | 324c3680a1522f4d16471daf7537cfb9e280bc8f71ab5e4f4d39a89789cbf112

General

Target

Gs3xAmDdgBgIEiK.exe
Size

681KB
MD5

95cd7fd7b92c86ab3b9a121b30ba4765
SHA1

ea487a12bf6733ee6690cd9f50e67770c5efd730
SHA256

324c3680a1522f4d16471daf7537cfb9e280bc8f71ab5e4f4d39a89789cbf112
SHA512

993a8b9ce8a4c976dee3b77238260793eccd45156bfa2e7fcaf7c43e2ab6028df8ad9905e90015f6b9e68820b210a4428f2bcc5c06ea0d888072727ea6f3c496
SSDEEP

12288:fsJ4D4od1L6YIh2hJzfGdb9stn4mAD5Weh3ih9H2A:fsJ4sod/k+FfQ+t4jBYT3

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.ifs-my.com
Port:
587
Username:
[email protected]
Password:
$VTibdD6

C2

https://api.telegram.org/bot5816458649:AAFS1obzDKYH_QeQC_kvYxhd80vhKb3q6Vs/sendMessage?chat_id=5586449047

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3508-139-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gs3xAmDdgBgIEiK.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gs3xAmDdgBgIEiK.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gs3xAmDdgBgIEiK.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
38	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4248 set thread context of 3508	4248	Gs3xAmDdgBgIEiK.exe	89

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4248	Gs3xAmDdgBgIEiK.exe
4248	Gs3xAmDdgBgIEiK.exe
3508	Gs3xAmDdgBgIEiK.exe
3508	Gs3xAmDdgBgIEiK.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	Gs3xAmDdgBgIEiK.exe
Token: SeDebugPrivilege	3508	Gs3xAmDdgBgIEiK.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 2288	4248	Gs3xAmDdgBgIEiK.exe	88
PID 4248 wrote to memory of 2288	4248	Gs3xAmDdgBgIEiK.exe	88
PID 4248 wrote to memory of 2288	4248	Gs3xAmDdgBgIEiK.exe	88
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89
PID 4248 wrote to memory of 3508	4248	Gs3xAmDdgBgIEiK.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gs3xAmDdgBgIEiK.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gs3xAmDdgBgIEiK.exe

C:\Users\Admin\AppData\Local\Temp\Gs3xAmDdgBgIEiK.exe
"C:\Users\Admin\AppData\Local\Temp\Gs3xAmDdgBgIEiK.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Users\Admin\AppData\Local\Temp\Gs3xAmDdgBgIEiK.exe
  "C:\Users\Admin\AppData\Local\Temp\Gs3xAmDdgBgIEiK.exe"
  2⤵
  PID:2288
- C:\Users\Admin\AppData\Local\Temp\Gs3xAmDdgBgIEiK.exe
  "C:\Users\Admin\AppData\Local\Temp\Gs3xAmDdgBgIEiK.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Gs3xAmDdgBgIEiK.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2288-137-0x0000000000000000-mapping.dmp

Download
memory/3508-138-0x0000000000000000-mapping.dmp

Download
memory/3508-139-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3508-141-0x0000000006970000-0x0000000006B32000-memory.dmp

Filesize
1.8MB

Download
memory/4248-132-0x0000000000560000-0x0000000000610000-memory.dmp

Filesize
704KB

Download
memory/4248-133-0x0000000005500000-0x0000000005AA4000-memory.dmp

Filesize
5.6MB

Download
memory/4248-134-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/4248-135-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

Filesize
40KB

Download
memory/4248-136-0x0000000008B40000-0x0000000008BDC000-memory.dmp

Filesize
624KB

Download

Analysis

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