snakekeylogger | a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d

Analysis

max time kernel
41s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 01:15

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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/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers
Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3352-2-0x000001FB16C10000-0x000001FB16C8A000-memory.dmp INDICATOR_EXE_Packed_KoiVM
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Detects executables with potential process hoocking 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
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

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

Processes:

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe

description pid process target process

PID 3352 set thread context of 1304 3352 a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe installutil.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3028 1304 WerFault.exe installutil.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

installutil.exe

pid process

1304 installutil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

installutil.exe

description pid process

Token: SeDebugPrivilege 1304 installutil.exe

resource	yara_rule
behavioral2/memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

resource	yara_rule
behavioral2/memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

resource	yara_rule
behavioral2/memory/3352-2-0x000001FB16C10000-0x000001FB16C8A000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

resource	yara_rule
behavioral2/memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

resource	yara_rule
behavioral2/memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

flow	ioc
3	checkip.dyndns.org

description	pid	process	target process
PID 3352 set thread context of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe

pid	pid_target	process	target process
3028	1304	WerFault.exe	installutil.exe

pid	process
1304	installutil.exe

description	pid	process
Token: SeDebugPrivilege	1304	installutil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe

description	pid	process	target process
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 1304	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 2368	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 2368	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.exe
PID 3352 wrote to memory of 2368	3352	a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d.exe	installutil.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:3352

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 1412
3⤵
- Program crash
PID:3028

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:2368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1304 -ip 1304
1⤵
PID:2896

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1304-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1304-5-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/1304-7-0x00000000051E0000-0x000000000527C000-memory.dmp

Filesize
624KB

Download
memory/1304-6-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/1304-8-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/1304-10-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/3352-0-0x00007FF9F65B3000-0x00007FF9F65B5000-memory.dmp

Filesize
8KB

Download
memory/3352-1-0x000001FB14F10000-0x000001FB14F18000-memory.dmp

Filesize
32KB

Download
memory/3352-2-0x000001FB16C10000-0x000001FB16C8A000-memory.dmp

Filesize
488KB

Download
memory/3352-3-0x00007FF9F65B0000-0x00007FF9F7071000-memory.dmp

Filesize
10.8MB

Download
memory/3352-9-0x00007FF9F65B0000-0x00007FF9F7071000-memory.dmp

Filesize
10.8MB

Download