snakekeylogger | 1b14242fe34c166e7842a1c108c69fcce2d31484cc93ed803f1b28b46a0baeea

General

Target

Purchase Order.exe
Size

367KB
MD5

e9d5ee7c8be48ac6eebf50e1f7f5f861
SHA1

b217a9d47c3a62fe3ac52a149abb4e302e664bae
SHA256

1b14242fe34c166e7842a1c108c69fcce2d31484cc93ed803f1b28b46a0baeea
SHA512

2048ccf72dbe507c5f1b88d3edb3c64b27a05a40f67eb28a0bec16f2aaa5f62602303cd8c1e77f195ffc54806a65e0d118722418cd98747c365a7077bc5be0bd
SSDEEP

6144:yAY8QgjLaR06ziRI5HiZB/rPf+ywWlTJYJzp4Xkj8jKOexbYl41mOds8wJdbrrhh:BaR06ziRI5HgdrX5nlTJoz2XkMKOexbc

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4508-9-0x0000000000400000-0x0000000000424000-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-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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

54 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order.exe

description pid process target process

PID 2320 set thread context of 4508 2320 Purchase Order.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

4508 RegAsm.exe
4508 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4508 RegAsm.exe

flow	ioc
54	checkip.dyndns.org

description	pid	process	target process
PID 2320 set thread context of 4508	2320	Purchase Order.exe	RegAsm.exe

pid	process
4508	RegAsm.exe
4508	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4508	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Purchase Order.exe

description	pid	process	target process
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe
PID 2320 wrote to memory of 4508	2320	Purchase Order.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\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-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2320

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:4508

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/2320-8-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/2320-2-0x00000000055A0000-0x0000000005B44000-memory.dmp

Filesize
5.6MB

Download
memory/2320-0-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2320-11-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2320-4-0x0000000004FF0000-0x0000000005044000-memory.dmp

Filesize
336KB

Download
memory/2320-5-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2320-6-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/2320-7-0x0000000005330000-0x00000000053CC000-memory.dmp

Filesize
624KB

Download
memory/2320-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

Filesize
584KB

Download
memory/2320-1-0x0000000000480000-0x00000000004E2000-memory.dmp

Filesize
392KB

Download
memory/4508-18-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/4508-12-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4508-13-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/4508-14-0x0000000006810000-0x0000000006860000-memory.dmp

Filesize
320KB

Download
memory/4508-15-0x0000000006A30000-0x0000000006BF2000-memory.dmp

Filesize
1.8MB

Download
memory/4508-16-0x00000000068A0000-0x00000000068AA000-memory.dmp

Filesize
40KB

Download
memory/4508-17-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4508-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads