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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/188-13-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/188-14-0x00000000004642CE-mapping.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

16 checkip.dyndns.org
19 freegeoip.app
20 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

SKM_C33501911071.exe

description pid process target process

PID 508 set thread context of 188 508 SKM_C33501911071.exe SKM_C33501911071.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SKM_C33501911071.exeSKM_C33501911071.exe

pid process

508 SKM_C33501911071.exe
508 SKM_C33501911071.exe
188 SKM_C33501911071.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SKM_C33501911071.exeSKM_C33501911071.exe

description pid process

Token: SeDebugPrivilege 508 SKM_C33501911071.exe
Token: SeDebugPrivilege 188 SKM_C33501911071.exe

flow	ioc
16	checkip.dyndns.org
19	freegeoip.app
20	freegeoip.app

description	pid	process	target process
PID 508 set thread context of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe

pid	process
508	SKM_C33501911071.exe
508	SKM_C33501911071.exe
188	SKM_C33501911071.exe

description	pid	process
Token: SeDebugPrivilege	508	SKM_C33501911071.exe
Token: SeDebugPrivilege	188	SKM_C33501911071.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

SKM_C33501911071.exe

description	pid	process	target process
PID 508 wrote to memory of 1384	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 1384	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 1384	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	SKM_C33501911071.exe	SKM_C33501911071.exe
PID 508 wrote to memory of 188	508	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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:508

C:\Users\Admin\AppData\Local\Temp\SKM_C33501911071.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C33501911071.exe"
2⤵
PID:1384

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:188

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SKM_C33501911071.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/188-13-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/188-22-0x00000000068E0000-0x00000000068E1000-memory.dmp

Filesize
4KB

Download
memory/188-21-0x0000000005630000-0x0000000005631000-memory.dmp

Filesize
4KB

Download
memory/188-16-0x0000000073360000-0x0000000073A4E000-memory.dmp

Filesize
6.9MB

Download
memory/188-14-0x00000000004642CE-mapping.dmp

Download
memory/508-7-0x0000000005910000-0x0000000005911000-memory.dmp

Filesize
4KB

Download
memory/508-10-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/508-11-0x0000000005AD0000-0x0000000005AD3000-memory.dmp

Filesize
12KB

Download
memory/508-12-0x00000000066C0000-0x000000000679A000-memory.dmp

Filesize
872KB

Download
memory/508-9-0x0000000005A70000-0x0000000005A71000-memory.dmp

Filesize
4KB

Download
memory/508-8-0x00000000057C0000-0x00000000057C1000-memory.dmp

Filesize
4KB

Download
memory/508-2-0x0000000073360000-0x0000000073A4E000-memory.dmp

Filesize
6.9MB

Download
memory/508-6-0x0000000005E10000-0x0000000005E11000-memory.dmp

Filesize
4KB

Download
memory/508-5-0x0000000005870000-0x0000000005871000-memory.dmp

Filesize
4KB

Download
memory/508-3-0x0000000000E90000-0x0000000000E91000-memory.dmp

Filesize
4KB

Download

Analysis

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