snakekeylogger | 0ff965e6f45e08c7ec843a01d22a6393b5a0be7b30029b7fc70a23d1e1aae6ed

General

Target

PO_202310.exe
Size

432KB
MD5

652fc277b44f8481ea0fd8d4a661a1e5
SHA1

4c2e669b51228ab92a0bcbd55979a234e567da67
SHA256

77206304b64e1d2f6b0f1dede51784cb8fc6b2dad113676fe065de07a89b8084
SHA512

ba99a2fedff0308b6eb4c087cb67b17b62059ff29e2b511995eb1fec2a826b2433f1105a0d115daac278a91097b90303e2e1cdb3469b477f5b1e2b730b8f9ae4
SSDEEP

12288:yD7gUiV2OazGypq9Q/NGbEPGLf6JYrOiqo+ip1:n2OazTNYEW6cmip

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 5 IoCs

Processes:

resource	yara_rule
behavioral5/memory/1944-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral5/memory/1944-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral5/memory/1944-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral5/memory/1944-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral5/memory/1944-19-0x0000000000400000-0x0000000000424000-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-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\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_202310.exe

description pid process target process

PID 2164 set thread context of 1944 2164 PO_202310.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1944 RegAsm.exe
1944 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1944 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2164 set thread context of 1944	2164	PO_202310.exe	RegAsm.exe

pid	process
1944	RegAsm.exe
1944	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1944	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

PO_202310.exe

description	pid	process	target process
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe
PID 2164 wrote to memory of 1944	2164	PO_202310.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\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-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\PO_202310.exe
"C:\Users\Admin\AppData\Local\Temp\PO_202310.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2164

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:1944

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/1944-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1944-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1944-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1944-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1944-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1944-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1944-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1944-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2164-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2164-0-0x0000000000330000-0x00000000003A2000-memory.dmp

Filesize
456KB

Download
memory/2164-4-0x0000000001F30000-0x0000000001F3A000-memory.dmp

Filesize
40KB

Download
memory/2164-3-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/2164-2-0x00000000053A0000-0x00000000053F4000-memory.dmp

Filesize
336KB

Download
memory/2164-20-0x00000000745D0000-0x0000000074CBE000-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