snakekeylogger | 2532305e65e74d6caeddb1574e80c48cfb58da37d72f34ec1dc4d0efee84a41f

General

Target

949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe
Size

740KB
MD5

5bf3bd8320d150f074d5dbbbf4468e7c
SHA1

0b8e8a89ca7ff025315e9a46bd386e6d78272f83
SHA256

949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb
SHA512

a77aa181ebf92d3c9cd44826914178aa42484e33e9b09018784f14f09cdc6bd1c7840ee97f04cbb5354a5db8ac23ad02d391231c583e1d616cac768bae270094
SSDEEP

12288:2TvpWnX9zt58IXAExxphTTYLGJNHAbCEts728dZQk0ApdKnHxlzZ4yCPW5LMGVbC:2MNRfJYZa2ZGykmYGmp

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5556229164:AAG06WuQ2Ibcy5ZKb4lTSDlmionK0lTPWiM/sendMessage?chat_id=5928888099

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1708-59-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1708-60-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1708-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1708-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1708-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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.

flow	ioc
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1708	RegAsm.exe
1708	RegAsm.exe
1708	RegAsm.exe
1708	RegAsm.exe
1708	RegAsm.exe
1708	RegAsm.exe
1708	RegAsm.exe
1708	RegAsm.exe
1708	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28
PID 2044 wrote to memory of 1708	2044	949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe
"C:\Users\Admin\AppData\Local\Temp\949d00495bd796de4f53cad348b8908e65f3cf92ccaeec90b165988ef0517bbb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2044
- 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:1708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1708-57-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-58-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1708-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-67-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2044-54-0x0000000000F80000-0x000000000103E000-memory.dmp

Filesize
760KB

Download
memory/2044-55-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2044-56-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download

Analysis

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