snakekeylogger | 1997d0db749ed1dfc24d90ea0fcf6af634aa34b5bd2b9ad35932493f67e9fdce

General

Target

rCIMB-Transfer_Advice-202310301849809.exe
Size

330KB
MD5

bf6133744240674055bdd0b7783cea73
SHA1

790fe9b655289c7379cd100d3401a1d08da199e8
SHA256

1997d0db749ed1dfc24d90ea0fcf6af634aa34b5bd2b9ad35932493f67e9fdce
SHA512

44d63713637a85bf165797063c0e2d49ae42af055b733205acf1c5054573959512f5a4e0f6fcdfed880d46251859c575ca445f0a2aa533a6a57e4a02fe1d219d
SSDEEP

6144:MCKABMNiti0sBlU5gKB1lwPnGPLes5sOUvszaMzyMFsPe35bgaG/QQD:MfA6bhu8noLes5sOUvsziML35bgaGT

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.alualuminium.com.my
Port:
587
Username:
[email protected]
Password:
U8G4S13#8Zk$
Email To:
[email protected]

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/1952-10-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-14-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-16-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1952-19-0x0000000000400000-0x0000000000424000-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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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:

rCIMB-Transfer_Advice-202310301849809.exe

description pid process target process

PID 2976 set thread context of 1952 2976 rCIMB-Transfer_Advice-202310301849809.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1952 RegAsm.exe
1952 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1952 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2976 set thread context of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe

pid	process
1952	RegAsm.exe
1952	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1952	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

rCIMB-Transfer_Advice-202310301849809.exe

description	pid	process	target process
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe
PID 2976 wrote to memory of 1952	2976	rCIMB-Transfer_Advice-202310301849809.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\rCIMB-Transfer_Advice-202310301849809.exe
"C:\Users\Admin\AppData\Local\Temp\rCIMB-Transfer_Advice-202310301849809.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2976

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1952-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1952-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1952-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1952-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1952-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1952-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1952-6-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1952-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2976-1-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-0-0x00000000011F0000-0x0000000001248000-memory.dmp

Filesize
352KB

Download
memory/2976-5-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2976-4-0x0000000004A40000-0x0000000004A80000-memory.dmp

Filesize
256KB

Download
memory/2976-17-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-3-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-2-0x0000000000730000-0x0000000000784000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads