snakekeylogger | 125c3477bf1dd27723c2688187a01190ef845950a246efcd2ef4b8bfd1647570

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 01:13

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General

Target

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe
Size

1.9MB
MD5

2dcf1e9b4ca5afa19d7473f108aea256
SHA1

d2f554d2699fcddf1c2d65cc05739916aa0dae62
SHA256

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d
SHA512

be82afc240c397e66742a019af1fe6464100eda77bb5b4bfb6e92856ae51b866554e51b500786902d79737ed1a4e2e02b845b034ec9d2abfd3ff6d9526587cde
SSDEEP

12288:7EC0huBtyjOQyaZyk3x2PulNQ5EcxhyBIpNOlV3d:AC4u/2x72PV5LxhclV3d

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
fY,FLoadtsiF

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Snake Keylogger payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1392-4-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

regasm.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 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

10 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe

description pid process target process

PID 3988 set thread context of 1392 3988 a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe regasm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

regasm.exe

pid process

1392 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 1392 regasm.exe

resource	yara_rule
behavioral2/memory/1392-4-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	regasm.exe

flow	ioc
10	checkip.dyndns.org

description	pid	process	target process
PID 3988 set thread context of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe

pid	process
1392	regasm.exe

description	pid	process
Token: SeDebugPrivilege	1392	regasm.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exeregasm.execmd.exe

description	pid	process	target process
PID 3988 wrote to memory of 208	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3988 wrote to memory of 208	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3988 wrote to memory of 208	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 1392	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 2492	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 2492	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 3988 wrote to memory of 2492	3988	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1392 wrote to memory of 3928	1392	regasm.exe	cmd.exe
PID 1392 wrote to memory of 3928	1392	regasm.exe	cmd.exe
PID 1392 wrote to memory of 3928	1392	regasm.exe	cmd.exe
PID 3928 wrote to memory of 3196	3928	cmd.exe	choice.exe
PID 3928 wrote to memory of 3196	3928	cmd.exe	choice.exe
PID 3928 wrote to memory of 3196	3928	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe
"C:\Users\Admin\AppData\Local\Temp\a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3988

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:208

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:3928

C:\Windows\SysWOW64\choice.exe
choice /C Y /N /D Y /T 3
4⤵
PID:3196

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
PID:2492

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1392-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-5-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/1392-6-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/1392-7-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/1392-8-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1392-11-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3988-0-0x000001EA2CC90000-0x000001EA2CC98000-memory.dmp

Filesize
32KB

Download
memory/3988-1-0x00007FFDB32A3000-0x00007FFDB32A5000-memory.dmp

Filesize
8KB

Download
memory/3988-2-0x000001EA2E7F0000-0x000001EA2E86A000-memory.dmp

Filesize
488KB

Download
memory/3988-3-0x00007FFDB32A0000-0x00007FFDB3D61000-memory.dmp

Filesize
10.8MB

Download
memory/3988-9-0x00007FFDB32A0000-0x00007FFDB3D61000-memory.dmp

Filesize
10.8MB

Download