snakekeylogger | 57eeb22b59b51f2ebdc14d10502d7b6b7ce20a4c15df666a97d1ba89fb16c3d9

General

Target

file.exe
Size

909KB
MD5

819671a956dd62bcf8c63ad429cddccc
SHA1

0e78e93d6b2492f90a8d47b500a8dd5662e121aa
SHA256

57eeb22b59b51f2ebdc14d10502d7b6b7ce20a4c15df666a97d1ba89fb16c3d9
SHA512

66bed3697982f46e3f1979dc4e3aea8edd77af49151203e2cd03263373974d1222555873e899405f228e7373ea7a98ee2c4f5187ccc8af41b863d845056c5ee1

Score

10^/10

snakekeylogger keylogger ransomware 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/1604-10-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1604-11-0x000000000046471E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1604-13-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

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

12 freegeoip.app
6 checkip.dyndns.org
11 freegeoip.app
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 1596 set thread context of 1604 1596 file.exe file.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1224 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

file.exefile.exe

pid process

1596 file.exe
1596 file.exe
1596 file.exe
1596 file.exe
1604 file.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

file.exefile.exe

description pid process

Token: SeDebugPrivilege 1596 file.exe
Token: SeDebugPrivilege 1604 file.exe

flow	ioc
12	freegeoip.app
6	checkip.dyndns.org
11	freegeoip.app

description	pid	process	target process
PID 1596 set thread context of 1604	1596	file.exe	file.exe

pid	process
1224	schtasks.exe

pid	process
1596	file.exe
1596	file.exe
1596	file.exe
1596	file.exe
1604	file.exe

description	pid	process
Token: SeDebugPrivilege	1596	file.exe
Token: SeDebugPrivilege	1604	file.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

file.exe

description	pid	process	target process
PID 1596 wrote to memory of 1224	1596	file.exe	schtasks.exe
PID 1596 wrote to memory of 1224	1596	file.exe	schtasks.exe
PID 1596 wrote to memory of 1224	1596	file.exe	schtasks.exe
PID 1596 wrote to memory of 1224	1596	file.exe	schtasks.exe
PID 1596 wrote to memory of 1608	1596	file.exe	file.exe
PID 1596 wrote to memory of 1608	1596	file.exe	file.exe
PID 1596 wrote to memory of 1608	1596	file.exe	file.exe
PID 1596 wrote to memory of 1608	1596	file.exe	file.exe
PID 1596 wrote to memory of 1572	1596	file.exe	file.exe
PID 1596 wrote to memory of 1572	1596	file.exe	file.exe
PID 1596 wrote to memory of 1572	1596	file.exe	file.exe
PID 1596 wrote to memory of 1572	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe
PID 1596 wrote to memory of 1604	1596	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LnGJZhvuhyjsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39F4.tmp"
2⤵
- Creates scheduled task(s)
PID:1224

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
PID:1608

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
PID:1572

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1604

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp39F4.tmp
MD5
a578c54786383f146da5a11fe1c4d20d

SHA1
9aad8a19d0da35067da50da1fda3b8984ae5f9b8

SHA256
c5a2d5c0244639dd6fccc909010b833ffd876111275380353b4fa32791c23a00

SHA512
85196fbc54d5b4eb9d9ce7f78d2eabca9b9f36a4b1eb75167c3d307365e563d927bc81b16251dea5da2c1295feb40cdabbccbabdd84fcf8c1dc6ef45310de973

Download Submit
memory/1224-8-0x0000000000000000-mapping.dmp

Download
memory/1596-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1596-3-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1596-5-0x0000000000620000-0x0000000000623000-memory.dmp

Filesize
12KB

Download
memory/1596-6-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/1596-7-0x0000000005540000-0x000000000561D000-memory.dmp

Filesize
884KB

Download
memory/1604-10-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1604-11-0x000000000046471E-mapping.dmp

Download
memory/1604-12-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1604-13-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1604-15-0x0000000004930000-0x0000000004931000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads