snakekeylogger | f2731ba50c5293b82a919e930988459e99ee60ce1b0d71cce4862ccb9cf5d279

General

Target

SKM_C33501911071.exe
Size

1.1MB
MD5

2d92e836e9c59586ac174b2c62b49d5e
SHA1

d61a77b200b9cb467eea926cba58dff98d72c6d4
SHA256

f2731ba50c5293b82a919e930988459e99ee60ce1b0d71cce4862ccb9cf5d279
SHA512

dcf73845e1c30dcefb4001c8dc55b451ac28b5cb2097a15152cac6d124adf1ba830bdb84fed5e01a37b9c7ff0b4ada527f667bca28f7dcbcf9628df832021bc3

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1096-8-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1096-9-0x00000000004642CE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1096-11-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 checkip.dyndns.org
10 freegeoip.app
11 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

SKM_C33501911071.exe

description pid process target process

PID 1740 set thread context of 1096 1740 SKM_C33501911071.exe SKM_C33501911071.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

SKM_C33501911071.exe

pid process

1096 SKM_C33501911071.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SKM_C33501911071.exe

description pid process

Token: SeDebugPrivilege 1096 SKM_C33501911071.exe

flow	ioc
5	checkip.dyndns.org
10	freegeoip.app
11	freegeoip.app

description	pid	process	target process
PID 1740 set thread context of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe

pid	process
1096	SKM_C33501911071.exe

description	pid	process
Token: SeDebugPrivilege	1096	SKM_C33501911071.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

SKM_C33501911071.exe

description	pid	process	target process
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 1740 wrote to memory of 1096	1740	SKM_C33501911071.exe	SKM_C33501911071.exe

C:\Users\Admin\AppData\Local\Temp\SKM_C33501911071.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C33501911071.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\SKM_C33501911071.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C33501911071.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1096-8-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1096-9-0x00000000004642CE-mapping.dmp

Download
memory/1096-10-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1096-11-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1096-13-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/1740-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-3-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/1740-5-0x00000000049E0000-0x00000000049E1000-memory.dmp

Filesize
4KB

Download
memory/1740-6-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/1740-7-0x00000000056D0000-0x00000000057AA000-memory.dmp

Filesize
872KB

Download

Analysis

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