snakekeylogger | 483d3db33740a19cf3e53acd5a0b50e223121c6828553d14449a6dc12497e894

General

Target

PO#757764.PDF.exe
Size

367KB
MD5

7d35dcb3b0fbd2ac5df7fa3bd140d5ed
SHA1

a7976420e477172042cd97c7e717b6fe793e9e9a
SHA256

483d3db33740a19cf3e53acd5a0b50e223121c6828553d14449a6dc12497e894
SHA512

a73434f71723cef7b88430d824d50d742861dc9afde4ee4eb5d9aa1075a2dd8310c112a54921cc34c69caedde51937fae4d0415dbfe3838922cd6f143d9c0b74
SSDEEP

6144:yAY8QgjLaR06z1RI5HiZB/vgiEIogkzeXk0uEGpJSVwaPZP8sqgds8wJdbrrhLPl:BaR06z1RI5HgdEgkzeXkWusDdsIDvywi

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.belt-tech.com.my
Port:
587
Username:
[email protected]
Password:
Beltechpg@1234
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/1204-10-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1204-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1204-16-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1204-18-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1204-20-0x0000000000400000-0x0000000000424000-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\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
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\15.0\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:

PO#757764.PDF.exe

description pid process target process

PID 1372 set thread context of 1204 1372 PO#757764.PDF.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1204 RegAsm.exe
1204 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1204 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 1372 set thread context of 1204	1372	PO#757764.PDF.exe	RegAsm.exe

pid	process
1204	RegAsm.exe
1204	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1204	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

PO#757764.PDF.exe

description	pid	process	target process
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.exe	RegAsm.exe
PID 1372 wrote to memory of 1204	1372	PO#757764.PDF.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\PO#757764.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PO#757764.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1372

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:1204

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/1204-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1204-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-6-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1372-1-0x0000000000EE0000-0x0000000000F42000-memory.dmp

Filesize
392KB

Download
memory/1372-0-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/1372-5-0x0000000000A50000-0x0000000000A5A000-memory.dmp

Filesize
40KB

Download
memory/1372-4-0x00000000006E0000-0x0000000000720000-memory.dmp

Filesize
256KB

Download
memory/1372-3-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/1372-2-0x00000000008C0000-0x0000000000914000-memory.dmp

Filesize
336KB

Download
memory/1372-21-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads