snakekeylogger | cdb27cbc1e485ca7b7c3f4f2eb90015befdf7991cb5742814ccf0c18bea2af11

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 06:15

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General

Target

tmpbxqsv0kl.exe
Size

481KB
MD5

a8a7ded2a82dc5650d018a55944ed7f6
SHA1

78ea0f8f73c8533b21900e20242df96ec1c56ce0
SHA256

cdb27cbc1e485ca7b7c3f4f2eb90015befdf7991cb5742814ccf0c18bea2af11
SHA512

3e2878b6cc46a71556e0f57e5b92c51595e39fe069d16974ee79f9f7ea9cbe9d073d2c467049862b6f23fff404bb8714e1919e39621606e4052e01e50e8cbce7
SSDEEP

6144:ZXuAPKbl6eAs+AYJAmp1sWosos1kKBY0SQBhhASbOF7HAAPq/XtLMfFUYK8tvlC8:ZXuBxOukAVzAAylLMfCYK8tv

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/2808-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2480 cmd.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

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

Processes:

tmpbxqsv0kl.exe

description pid process target process

PID 1440 set thread context of 2808 1440 tmpbxqsv0kl.exe tmpbxqsv0kl.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:

tmpbxqsv0kl.exe

pid process

2808 tmpbxqsv0kl.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmpbxqsv0kl.exe

description pid process

Token: SeDebugPrivilege 2808 tmpbxqsv0kl.exe

pid	process
2480	cmd.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 1440 set thread context of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe

pid	process
2808	tmpbxqsv0kl.exe

description	pid	process
Token: SeDebugPrivilege	2808	tmpbxqsv0kl.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

tmpbxqsv0kl.exetmpbxqsv0kl.execmd.exe

description	pid	process	target process
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 1440 wrote to memory of 2808	1440	tmpbxqsv0kl.exe	tmpbxqsv0kl.exe
PID 2808 wrote to memory of 2480	2808	tmpbxqsv0kl.exe	cmd.exe
PID 2808 wrote to memory of 2480	2808	tmpbxqsv0kl.exe	cmd.exe
PID 2808 wrote to memory of 2480	2808	tmpbxqsv0kl.exe	cmd.exe
PID 2808 wrote to memory of 2480	2808	tmpbxqsv0kl.exe	cmd.exe
PID 2480 wrote to memory of 1712	2480	cmd.exe	choice.exe
PID 2480 wrote to memory of 1712	2480	cmd.exe	choice.exe
PID 2480 wrote to memory of 1712	2480	cmd.exe	choice.exe
PID 2480 wrote to memory of 1712	2480	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\tmpbxqsv0kl.exe
"C:\Users\Admin\AppData\Local\Temp\tmpbxqsv0kl.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1440

C:\Users\Admin\AppData\Local\Temp\tmpbxqsv0kl.exe
"C:\Users\Admin\AppData\Local\Temp\tmpbxqsv0kl.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\tmpbxqsv0kl.exe"
3⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2480

C:\Windows\SysWOW64\choice.exe
choice /C Y /N /D Y /T 3
4⤵
PID:1712

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

Replay Monitor

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Downloads

memory/1440-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/1440-1-0x00000000008E0000-0x000000000095E000-memory.dmp

Filesize
504KB

Download
memory/1440-2-0x0000000002040000-0x0000000002094000-memory.dmp

Filesize
336KB

Download
memory/1440-3-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1440-4-0x00000000003A0000-0x00000000003A8000-memory.dmp

Filesize
32KB

Download
memory/1440-20-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2808-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2808-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2808-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2808-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2808-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2808-18-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-19-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2808-21-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download