snakekeylogger | 6960c8a08fff5fa174f6f8e39ac8fc2a678a5a918b109b2e8d5c90460515e666

General

Target

Purchase Order Specification.exe
Size

967KB
MD5

ff8b0be6beb421eb1679d9d45ba001d5
SHA1

f56a011e441f6ffb00fea0221e1825d69fd812a5
SHA256

6960c8a08fff5fa174f6f8e39ac8fc2a678a5a918b109b2e8d5c90460515e666
SHA512

7e94f5a4404c3c36a23068e01184dde98a413c757fabaa144f0fbc81b5ba9b2db4a77d022f1c3cada584ce92ce234e48b4e75b51f16581ced5df1f687ee71113
SSDEEP

12288:9FlLKHFjcsqUWGV+gB5BR+BbRd7kM6HMG0i9c/HoL8d/1bCY6vsYJRdwUWJ97JRv:7GYgdqnl6pc/HoOlCYasYJ4J9L2kX

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6217135056:AAHXcMRaGpgIntfJgWLF1Xm94Ra44-YLyH0/sendMessage?chat_id=5830834219

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1356-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1356-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1356-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1356-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1356-70-0x0000000000400000-0x0000000000426000-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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order Specification.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 936 set thread context of 1356	936	Purchase Order Specification.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1356	Purchase Order Specification.exe
676	powershell.exe
1356	Purchase Order Specification.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	Purchase Order Specification.exe
Token: SeDebugPrivilege	676	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 676	936	Purchase Order Specification.exe	27
PID 936 wrote to memory of 676	936	Purchase Order Specification.exe	27
PID 936 wrote to memory of 676	936	Purchase Order Specification.exe	27
PID 936 wrote to memory of 676	936	Purchase Order Specification.exe	27
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29
PID 936 wrote to memory of 1356	936	Purchase Order Specification.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order Specification.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order Specification.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specification.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:936
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purchase Order Specification.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:676
- C:\Users\Admin\AppData\Local\Temp\Purchase Order Specification.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order Specification.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/676-74-0x0000000002210000-0x0000000002250000-memory.dmp

Filesize
256KB

Download
memory/676-75-0x0000000002210000-0x0000000002250000-memory.dmp

Filesize
256KB

Download
memory/936-55-0x0000000000530000-0x0000000000544000-memory.dmp

Filesize
80KB

Download
memory/936-56-0x0000000004E60000-0x0000000004EA0000-memory.dmp

Filesize
256KB

Download
memory/936-57-0x0000000004E60000-0x0000000004EA0000-memory.dmp

Filesize
256KB

Download
memory/936-58-0x0000000000550000-0x000000000055C000-memory.dmp

Filesize
48KB

Download
memory/936-59-0x0000000005330000-0x00000000053D0000-memory.dmp

Filesize
640KB

Download
memory/936-60-0x0000000004460000-0x0000000004488000-memory.dmp

Filesize
160KB

Download
memory/936-54-0x0000000000010000-0x0000000000108000-memory.dmp

Filesize
992KB

Download
memory/1356-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1356-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1356-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1356-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1356-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1356-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1356-73-0x0000000000550000-0x0000000000590000-memory.dmp

Filesize
256KB

Download
memory/1356-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1356-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1356-76-0x0000000000550000-0x0000000000590000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing