snakekeylogger | ef8385d4683a68a5ce64ba33ddb89cf73848d082047ff886b61b53a042a72cc1

General

Target

specifications.exe
Size

489KB
MD5

ea62d408154d458d4f304c463bb54020
SHA1

72952a0d8ddcf5ea36bd0b8eeb613fbd0b2f6de4
SHA256

ef8385d4683a68a5ce64ba33ddb89cf73848d082047ff886b61b53a042a72cc1
SHA512

5b89ac053b13c0c96d74c69c402b211cd4b71ca8f6103666cfbaf6dc76b795f69e608a1ff527abf39bb6ed2b7a120a0d7048dc0e645c25751dfca0f779c45a48
SSDEEP

12288:yrpviYJS8Eg+54Y0YI7LPyig/jZbMbYWZ:yrpasS81+54YavPyigLaT

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3788-12-0x0000000000780000-0x00000000007A6000-memory.dmp	family_snakekeylogger
behavioral2/memory/3788-15-0x0000000002600000-0x0000000002610000-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-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\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

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

Processes:

specifications.exe

description pid process target process

PID 4860 set thread context of 3788 4860 specifications.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

3788 RegAsm.exe
3788 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3788 RegAsm.exe

flow	ioc
29	checkip.dyndns.org

description	pid	process	target process
PID 4860 set thread context of 3788	4860	specifications.exe	RegAsm.exe

pid	process
3788	RegAsm.exe
3788	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3788	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

specifications.exe

description	pid	process	target process
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe
PID 4860 wrote to memory of 3788	4860	specifications.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\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-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\specifications.exe
"C:\Users\Admin\AppData\Local\Temp\specifications.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4860

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:3788

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/3788-14-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3788-15-0x0000000002600000-0x0000000002610000-memory.dmp

Filesize
64KB

Download
memory/3788-12-0x0000000000780000-0x00000000007A6000-memory.dmp

Filesize
152KB

Download
memory/3788-18-0x0000000004D30000-0x0000000004D3A000-memory.dmp

Filesize
40KB

Download
memory/3788-11-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3788-17-0x0000000006160000-0x0000000006322000-memory.dmp

Filesize
1.8MB

Download
memory/3788-16-0x0000000002310000-0x0000000002360000-memory.dmp

Filesize
320KB

Download
memory/3788-13-0x0000000002600000-0x0000000002610000-memory.dmp

Filesize
64KB

Download
memory/4860-5-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/4860-4-0x0000000005690000-0x0000000005C34000-memory.dmp

Filesize
5.6MB

Download
memory/4860-7-0x0000000005090000-0x0000000005098000-memory.dmp

Filesize
32KB

Download
memory/4860-10-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/4860-0-0x00000000006E0000-0x0000000000760000-memory.dmp

Filesize
512KB

Download
memory/4860-3-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/4860-6-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/4860-1-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/4860-2-0x0000000004FC0000-0x0000000005014000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads