snakekeylogger | 125c3477bf1dd27723c2688187a01190ef845950a246efcd2ef4b8bfd1647570

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2696-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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

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

Processes:

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe

description pid process target process

PID 1924 set thread context of 2696 1924 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

2696 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 2696 regasm.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1924 set thread context of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe

pid	process
2696	regasm.exe

description	pid	process
Token: SeDebugPrivilege	2696	regasm.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exeregasm.execmd.exe

description	pid	process	target process
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 2696	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	regasm.exe
PID 1924 wrote to memory of 3068	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	WerFault.exe
PID 1924 wrote to memory of 3068	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	WerFault.exe
PID 1924 wrote to memory of 3068	1924	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	WerFault.exe
PID 2696 wrote to memory of 2588	2696	regasm.exe	cmd.exe
PID 2696 wrote to memory of 2588	2696	regasm.exe	cmd.exe
PID 2696 wrote to memory of 2588	2696	regasm.exe	cmd.exe
PID 2696 wrote to memory of 2588	2696	regasm.exe	cmd.exe
PID 2588 wrote to memory of 2416	2588	cmd.exe	choice.exe
PID 2588 wrote to memory of 2416	2588	cmd.exe	choice.exe
PID 2588 wrote to memory of 2416	2588	cmd.exe	choice.exe
PID 2588 wrote to memory of 2416	2588	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:1924

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696

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:2588

C:\Windows\SysWOW64\choice.exe
choice /C Y /N /D Y /T 3
4⤵
PID:2416

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1924 -s 620
2⤵
PID:3068

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1924-0-0x000007FEF5953000-0x000007FEF5954000-memory.dmp

Filesize
4KB

Download
memory/1924-1-0x0000000000DB0000-0x0000000000DB8000-memory.dmp

Filesize
32KB

Download
memory/1924-2-0x0000000000BD0000-0x0000000000C4A000-memory.dmp

Filesize
488KB

Download
memory/1924-3-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/1924-19-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/1924-18-0x000007FEF5953000-0x000007FEF5954000-memory.dmp

Filesize
4KB

Download
memory/2696-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download