snakekeylogger | 4f1ba7440d20500ac5a379c9eca60991ae571b460fc01f1146c75b5e2a005d30

General

Target

Week3.exe
Size

812KB
MD5

5302477a2c210083be8d25280a1d27cf
SHA1

7d9cfcfe09c52303e9ab741353c06e014364cdd6
SHA256

c40b21462fa3c5ebbed41befc33078f7453e4ed5e2594a815103c1efe70d6327
SHA512

85be08716fbe5b9503dd1ce6ab42796c14ddc3bf60b4f5e71f68e66cdc72bbd47e32181ceb029f9cc0e3d8cee77ab4b29ed3305546fde326f4a3763ada223046
SSDEEP

12288:zWmfDfxt7J0iJKfJDbV5wPw2a7iLv1/L5le289QgM:v2RfJW1Ciblvng

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.stilltech.ro
Port:
587
Username:
[email protected]
Password:
eurobit555ro
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2728-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2728-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 2340 set thread context of 2728	2340	Week3.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Week3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2728	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31
PID 2340 wrote to memory of 2728	2340	Week3.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Week3.exe
"C:\Users\Admin\AppData\Local\Temp\Week3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2340-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2340-1-0x0000000001130000-0x0000000001200000-memory.dmp

Filesize
832KB

Download
memory/2340-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-3-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/2340-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2340-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-6-0x0000000005480000-0x00000000054EA000-memory.dmp

Filesize
424KB

Download
memory/2340-7-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2340-8-0x0000000000600000-0x0000000000626000-memory.dmp

Filesize
152KB

Download
memory/2340-24-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2728-25-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-26-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-27-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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