snakekeylogger | 0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294

General

Target

NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe
Size

432KB
MD5

b14e49dd5671ae89f3624ad7561731af
SHA1

b2aa05a7ad52059560755fa04439413afe184ca3
SHA256

0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294
SHA512

b803330db90b127e178abf83227ddf8f59e00d4929c686f33f6ab9be1806fb15cbca47ff3f058f20fc3d8b0afe2ddefb0b9cdcc502d22a91d2957449774d38ee
SSDEEP

12288:yD7gUiVHOazGypq9Q/NGbEP2a6JYrOiqot:nHOazTNYEz6c

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6243209595:AAGECSmdSqJiVZcdFoBvotoaKcKT9Lz5Gvw/sendMessage?chat_id=1070926352

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/1548-8-0x0000000000400000-0x0000000000424000-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

18 checkip.dyndns.org

flow	ioc
18	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe

description	pid	process	target process
PID 2128 set thread context of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1548 RegAsm.exe
1548 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1548 RegAsm.exe

pid	process
1548	RegAsm.exe
1548	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1548	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe

description	pid	process	target process
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe	RegAsm.exe
PID 2128 wrote to memory of 1548	2128	NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.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\NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294exe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2128

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:1548

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/1548-13-0x0000000006320000-0x0000000006370000-memory.dmp

Filesize
320KB

Download
memory/1548-12-0x0000000005540000-0x0000000005550000-memory.dmp

Filesize
64KB

Download
memory/1548-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1548-17-0x0000000005540000-0x0000000005550000-memory.dmp

Filesize
64KB

Download
memory/1548-16-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/1548-15-0x00000000064C0000-0x00000000064CA000-memory.dmp

Filesize
40KB

Download
memory/1548-14-0x0000000006640000-0x0000000006802000-memory.dmp

Filesize
1.8MB

Download
memory/1548-11-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-5-0x0000000006A00000-0x0000000006A54000-memory.dmp

Filesize
336KB

Download
memory/2128-4-0x00000000058C0000-0x00000000058D0000-memory.dmp

Filesize
64KB

Download
memory/2128-7-0x0000000006A60000-0x0000000006A6A000-memory.dmp

Filesize
40KB

Download
memory/2128-2-0x0000000005E90000-0x0000000006434000-memory.dmp

Filesize
5.6MB

Download
memory/2128-0-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-6-0x0000000006B00000-0x0000000006B9C000-memory.dmp

Filesize
624KB

Download
memory/2128-1-0x0000000000EA0000-0x0000000000F12000-memory.dmp

Filesize
456KB

Download
memory/2128-10-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-3-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads