snakekeylogger | 8b389a84ae3cfade9a80c01dd1d3e3b3555581ef4c75a475d04fefe45b36c17a

Analysis

max time kernel
101s
max time network
102s
platform
windows10_x64
resource
win10v20201028
submitted
09/02/2021, 06:34

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General

Target
CPRNC20420511_FreightArrival.exe
Size 856KB
Sample210209-8xeq68fm3x
SHA256 8b389a84ae3cfade9a80c01dd1d3e3b3555581ef4c75a475d04fefe45b36c17a
MD5 44c7871d154dc7045d59d0c26b5db8a4
SHA1 0e252ac291174e33e5c29c1154356d5fb91d56aa
SHA512 fbcc1ead43618153559ae0b8944c985c46854570005464027c7dce58de863ae0ed32fb8555ae3eed63e65912002e273ac78aa564b636221c4a606995e2fe9162
MD5 SHA1 SHA512

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 2 IoCs

resource	yara_rule
behavioral2/memory/8-15-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral2/memory/8-16-0x0000000000463F1E-mapping.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.

flow	ioc
15	checkip.dyndns.org
18	freegeoip.app
19	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

description	pid	Process	procid_target
PID 4808 set thread context of 8	4808	CPRNC20420511_FreightArrival.exe	81

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

pid	Process
580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4808	CPRNC20420511_FreightArrival.exe
4808	CPRNC20420511_FreightArrival.exe
4808	CPRNC20420511_FreightArrival.exe
8	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	CPRNC20420511_FreightArrival.exe
Token: SeDebugPrivilege	8	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 580	4808	CPRNC20420511_FreightArrival.exe	78
PID 4808 wrote to memory of 580	4808	CPRNC20420511_FreightArrival.exe	78
PID 4808 wrote to memory of 580	4808	CPRNC20420511_FreightArrival.exe	78
PID 4808 wrote to memory of 652	4808	CPRNC20420511_FreightArrival.exe	80
PID 4808 wrote to memory of 652	4808	CPRNC20420511_FreightArrival.exe	80
PID 4808 wrote to memory of 652	4808	CPRNC20420511_FreightArrival.exe	80
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81
PID 4808 wrote to memory of 8	4808	CPRNC20420511_FreightArrival.exe	81

C:\Users\Admin\AppData\Local\Temp\CPRNC20420511_FreightArrival.exe
"C:\Users\Admin\AppData\Local\Temp\CPRNC20420511_FreightArrival.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LoXGpRTmE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EDA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:652
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:8

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/8-23-0x00000000067F0000-0x00000000067F1000-memory.dmp

Download

memory/8-22-0x00000000059D0000-0x00000000059D1000-memory.dmp

Download

memory/8-17-0x00000000739D0000-0x00000000740BE000-memory.dmp

Download

memory/8-15-0x0000000000400000-0x0000000000468000-memory.dmp

Download

memory/4808-7-0x0000000005330000-0x0000000005331000-memory.dmp

Download

memory/4808-11-0x00000000051D0000-0x00000000051D1000-memory.dmp

Download

memory/4808-12-0x0000000005F30000-0x0000000005FC4000-memory.dmp

Download

memory/4808-10-0x0000000005690000-0x0000000005694000-memory.dmp

Download

memory/4808-9-0x00000000054F0000-0x00000000054F1000-memory.dmp

Download

memory/4808-8-0x00000000051B0000-0x00000000051B1000-memory.dmp

Download

memory/4808-2-0x00000000739D0000-0x00000000740BE000-memory.dmp

Download

memory/4808-6-0x0000000005830000-0x0000000005831000-memory.dmp

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memory/4808-5-0x0000000005290000-0x0000000005291000-memory.dmp

Download

memory/4808-3-0x00000000008D0000-0x00000000008D1000-memory.dmp

Download