snakekeylogger | f5c545c35d36074f461f765f34ba274dae1e12eabd4c050f68641fe3944ba7fe

General

Target

PURCHASE ORDER.exe
Size

621KB
MD5

38f235d25e264d4c15c7596bb02d74fb
SHA1

1b61618f9b4a052f6141d001c121dab951400ccd
SHA256

19298835e138f870193c12029158ec18ce6d1d4c5ec12372d533eaf855c0e7f0
SHA512

6620e78413cc2e2447a08362969ceb7239306b373e45f5ffb84d1628e85f0ca72cfcadd374f26437c6a82fa1d19c6d2eea8fddf1f1ea6a64fe001fde857d46c4
SSDEEP

12288:mQ07P9cnYUV833cfs0d4Rvo6ryCsyr0gM1cJP2:e7PWYUO349mRvTy7kJM1YP2

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8001882214:AAFYbuE3sctUsMptRg6i8B28zD_AOK7mrvg/sendMessage?chat_id=6090860697

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2828-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2828-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2828-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2828-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2828-14-0x0000000000400000-0x0000000000426000-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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2828	2616	PURCHASE ORDER.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	PURCHASE ORDER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDER.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2828	PURCHASE ORDER.exe
2828	PURCHASE ORDER.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	PURCHASE ORDER.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31
PID 2616 wrote to memory of 2828	2616	PURCHASE ORDER.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.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:2828

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

Loading Replay Monitor...

Downloads

memory/2616-0-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download
memory/2616-1-0x0000000001020000-0x00000000010C2000-memory.dmp

Filesize
648KB

Download
memory/2616-2-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-3-0x0000000000590000-0x00000000005A0000-memory.dmp

Filesize
64KB

Download
memory/2616-4-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download
memory/2616-5-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-6-0x0000000005EA0000-0x0000000005F0C000-memory.dmp

Filesize
432KB

Download
memory/2616-20-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-19-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-21-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-22-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing