snakekeylogger | e62b3affc9a84b2bf53d1052a72596e82a7e10776426e1750e7932b6e092a730

General

Target

43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe
Size

772KB
MD5

9bd66412d037cb407c592e51959e0891
SHA1

09001b50005ec0688d11e16d395b8d5e323222ee
SHA256

43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6
SHA512

5b43737aafe2956be73f4a8e9f808339374fe068615f271ce432e9836b6356244646285e66158d9090e3bbfb47f4f3432878f35b09d358414ddde210da2d9593
SSDEEP

12288:dJpHCmbiNIwPBCIBpD1tM2MH6YZLuKw3WDJV733EgpAYSjAz2Mc2:ZCFPnpD1tM2MTZLEncS

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/456-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral2/memory/456-15-0x00000000054A0000-0x00000000054B0000-memory.dmp	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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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.

Processes:

flow ioc

42 checkip.dyndns.org

flow	ioc
42	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe

description	pid	process	target process
PID 2424 set thread context of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

456 RegAsm.exe
456 RegAsm.exe
456 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 456 RegAsm.exe

pid	process
456	RegAsm.exe
456	RegAsm.exe
456	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	456	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe

description	pid	process	target process
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe
PID 2424 wrote to memory of 456	2424	43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe
"C:\Users\Admin\AppData\Local\Temp\43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2424

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/456-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/456-18-0x00000000068A0000-0x00000000068AA000-memory.dmp

Filesize
40KB

Download
memory/456-17-0x0000000006A40000-0x0000000006C02000-memory.dmp

Filesize
1.8MB

Download
memory/456-16-0x0000000006820000-0x0000000006870000-memory.dmp

Filesize
320KB

Download
memory/456-15-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/456-14-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/456-13-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/456-12-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/2424-4-0x0000000006050000-0x00000000065F4000-memory.dmp

Filesize
5.6MB

Download
memory/2424-8-0x0000000005B40000-0x0000000005B48000-memory.dmp

Filesize
32KB

Download
memory/2424-11-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/2424-7-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/2424-6-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

Filesize
624KB

Download
memory/2424-5-0x0000000005B80000-0x0000000005C12000-memory.dmp

Filesize
584KB

Download
memory/2424-0-0x0000000000FF0000-0x00000000010B6000-memory.dmp

Filesize
792KB

Download
memory/2424-2-0x0000000005A50000-0x0000000005AA4000-memory.dmp

Filesize
336KB

Download
memory/2424-3-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/2424-1-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads