snakekeylogger | 235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5

Analysis

max time kernel
41s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 14:23

Target

LETTER OF AUTHORIZATION.exe
Size

3.0MB
MD5

57cb0d1fbbe7e57e906d9bec624ff50f
SHA1

d8eeb1c8e4530d619c7a5927fec5fcc892e0b24f
SHA256

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5
SHA512

7d0be14e10f4174648cb597b9f8b32883088b9fed59cd4812339cdb379746e49b58dfb357d733fcb9b73c725451b64f6588e328518091b6311ef38c1dc41d886
SSDEEP

12288:RaoerDVWSJRvp61xGNoQOgR4FeGQ5fzF2M9PbxyWnnMRGIliKj:RinVl1Yeo0R4FeHX2qwRFj

Score

10^/10

Family

snakekeylogger

Credentials

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

Processes:

resource yara_rule

behavioral2/memory/4864-4-0x0000000000400000-0x0000000000426000-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

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

Processes:

LETTER OF AUTHORIZATION.exe

description pid process target process

PID 2852 set thread context of 4864 2852 LETTER OF AUTHORIZATION.exe msbuild.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3796 4864 WerFault.exe msbuild.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

msbuild.exe

pid process

4864 msbuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

msbuild.exe

description pid process

Token: SeDebugPrivilege 4864 msbuild.exe

resource	yara_rule
behavioral2/memory/4864-4-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2852 set thread context of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe

pid	pid_target	process	target process
3796	4864	WerFault.exe	msbuild.exe

pid	process
4864	msbuild.exe

description	pid	process
Token: SeDebugPrivilege	4864	msbuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

LETTER OF AUTHORIZATION.exe

description	pid	process	target process
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 4864	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 1352	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 1352	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe
PID 2852 wrote to memory of 1352	2852	LETTER OF AUTHORIZATION.exe	msbuild.exe

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 1408
3⤵
- Program crash
PID:3796

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
2⤵
PID:1352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4864 -ip 4864
1⤵
PID:3760

memory/2852-0-0x00007FFFE9CF3000-0x00007FFFE9CF5000-memory.dmp

Filesize
8KB

Download
memory/2852-1-0x000001F46C660000-0x000001F46C668000-memory.dmp

Filesize
32KB

Download
memory/2852-2-0x000001F46CA40000-0x000001F46CABA000-memory.dmp

Filesize
488KB

Download
memory/2852-3-0x00007FFFE9CF0000-0x00007FFFEA7B1000-memory.dmp

Filesize
10.8MB

Download
memory/2852-9-0x00007FFFE9CF0000-0x00007FFFEA7B1000-memory.dmp

Filesize
10.8MB

Download
memory/4864-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4864-5-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/4864-6-0x0000000005430000-0x00000000059D4000-memory.dmp

Filesize
5.6MB

Download
memory/4864-7-0x0000000004E80000-0x0000000004F1C000-memory.dmp

Filesize
624KB

Download
memory/4864-8-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4864-10-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download