snakekeylogger | 235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 01:02

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General

Target

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe
Size

3.0MB
MD5

57cb0d1fbbe7e57e906d9bec624ff50f
SHA1

d8eeb1c8e4530d619c7a5927fec5fcc892e0b24f
SHA256

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5
SHA512

7d0be14e10f4174648cb597b9f8b32883088b9fed59cd4812339cdb379746e49b58dfb357d733fcb9b73c725451b64f6588e328518091b6311ef38c1dc41d886
SSDEEP

12288:RaoerDVWSJRvp61xGNoQOgR4FeGQ5fzF2M9PbxyWnnMRGIliKj:RinVl1Yeo0R4FeHX2qwRFj

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/2132-6-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2132-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2132-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2132-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2132-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2132-6-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2132-7-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2132-9-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2132-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2132-11-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2416-2-0x0000000000570000-0x00000000005EA000-memory.dmp INDICATOR_EXE_Packed_KoiVM

resource	yara_rule
behavioral1/memory/2416-2-0x0000000000570000-0x00000000005EA000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2132-6-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2132-7-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2132-9-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2132-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2132-11-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables with potential process hoocking 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2132-6-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2132-7-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2132-9-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2132-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2132-11-0x0000000000400000-0x0000000000426000-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

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

Processes:

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe

description pid process target process

PID 2416 set thread context of 2132 2416 235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe CasPol.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2664 2132 WerFault.exe CasPol.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

CasPol.exe

pid process

2132 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 2132 CasPol.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2416 set thread context of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe

pid	pid_target	process	target process
2664	2132	WerFault.exe	CasPol.exe

pid	process
2132	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	2132	CasPol.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exeCasPol.exe

description	pid	process	target process
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2132	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 2416 wrote to memory of 2988	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	WerFault.exe
PID 2416 wrote to memory of 2988	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	WerFault.exe
PID 2416 wrote to memory of 2988	2416	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	WerFault.exe
PID 2132 wrote to memory of 2664	2132	CasPol.exe	WerFault.exe
PID 2132 wrote to memory of 2664	2132	CasPol.exe	WerFault.exe
PID 2132 wrote to memory of 2664	2132	CasPol.exe	WerFault.exe
PID 2132 wrote to memory of 2664	2132	CasPol.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe
"C:\Users\Admin\AppData\Local\Temp\235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 1132
3⤵
- Program crash
PID:2664

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2416 -s 624
2⤵
PID:2988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2132-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2132-15-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2132-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2132-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2132-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2132-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2132-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2132-19-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-18-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

Filesize
4KB

Download
memory/2132-14-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

Filesize
4KB

Download
memory/2132-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2416-3-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Filesize
9.9MB

Download
memory/2416-1-0x0000000001200000-0x0000000001208000-memory.dmp

Filesize
32KB

Download
memory/2416-16-0x000007FEF4E43000-0x000007FEF4E44000-memory.dmp

Filesize
4KB

Download
memory/2416-17-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Filesize
9.9MB

Download
memory/2416-2-0x0000000000570000-0x00000000005EA000-memory.dmp

Filesize
488KB

Download
memory/2416-0-0x000007FEF4E43000-0x000007FEF4E44000-memory.dmp

Filesize
4KB

Download