snakekeylogger | 1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0

General

Target

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
Size

622KB
MD5

b4d7f22c8fa0d77d4ca4aa60e381a0f2
SHA1

f6af8b30e8e979fd2c246e65f78b59c0eb04e36c
SHA256

1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0
SHA512

beb52b162712cf785d5ec7d5f8b4be6e1328a288f121d5cd8385a7128f28c7a3cdc249491158081a354581b6b3e6159d8183a533d57f7392efe657c041e72676
SSDEEP

12288:hCUeIBMSjOwO7mdVr30Pps3m2h8k678G5gCzku7nbIyq1XPDV1dO8Hb3EJ:FowEaVrEBsJh8v80Uuo

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6454266704:AAGc7MbDFOw3VJ52r1hPLsjSZvjH8GUmylk/sendMessage?chat_id=1467583453

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/1736-13-0x0000000000400000-0x0000000000424000-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:

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4d7f22c8fa0d77d4ca4aa60e381a0f2.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

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

Processes:

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

description pid process target process

PID 3376 set thread context of 1736 3376 b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

pid process

1736 b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
1736 b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

description pid process

Token: SeDebugPrivilege 1736 b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

flow	ioc
33	checkip.dyndns.org

description	pid	process	target process
PID 3376 set thread context of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

pid	process
1736	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
1736	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

description	pid	process
Token: SeDebugPrivilege	1736	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

description	pid	process	target process
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
PID 3376 wrote to memory of 1736	3376	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

outlook_office_path 1 IoCs

Processes:

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

outlook_win_path 1 IoCs

Processes:

b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
"C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3376

C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
"C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1736

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1736-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1736-22-0x0000000006AC0000-0x0000000006C82000-memory.dmp

Filesize
1.8MB

Download
memory/1736-21-0x00000000068A0000-0x00000000068F0000-memory.dmp

Filesize
320KB

Download
memory/1736-20-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/1736-19-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1736-18-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/1736-16-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-5-0x0000000007680000-0x0000000007690000-memory.dmp

Filesize
64KB

Download
memory/3376-6-0x0000000007600000-0x000000000760A000-memory.dmp

Filesize
40KB

Download
memory/3376-10-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/3376-11-0x0000000008770000-0x00000000087D2000-memory.dmp

Filesize
392KB

Download
memory/3376-12-0x00000000060A0000-0x000000000613C000-memory.dmp

Filesize
624KB

Download
memory/3376-8-0x0000000008750000-0x000000000876E000-memory.dmp

Filesize
120KB

Download
memory/3376-7-0x0000000007680000-0x0000000007690000-memory.dmp

Filesize
64KB

Download
memory/3376-9-0x00000000007C0000-0x00000000007CC000-memory.dmp

Filesize
48KB

Download
memory/3376-17-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-1-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-4-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-3-0x00000000073F0000-0x0000000007482000-memory.dmp

Filesize
584KB

Download
memory/3376-2-0x00000000078A0000-0x0000000007E44000-memory.dmp

Filesize
5.6MB

Download
memory/3376-0-0x00000000005D0000-0x0000000000672000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads