snakekeylogger | 8afe898373f8fbd1ab34fbcbf90264f4b6a04c85d0b602ff21c580f9f7ccdb2f

General

Target

b66c69055dada82192373293d39e57fa.exe
Size

377KB
MD5

b66c69055dada82192373293d39e57fa
SHA1

c8471929b43972c59e04cd835384dc5627129fae
SHA256

8afe898373f8fbd1ab34fbcbf90264f4b6a04c85d0b602ff21c580f9f7ccdb2f
SHA512

45953920d920df46e4e216c52cf292d538ea74494f71df4e2b7f2d19d8bd7be4b3462457c4092c3343d8608fe770aabb3eb3d471a30f3988424d70e219b77c5f

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.twinarrow.com.my
Port:
587
Username:
[email protected]
Password:
accountaccount123@
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2100-132-0x0000000000400000-0x0000000000426000-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-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b66c69055dada82192373293d39e57fa.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b66c69055dada82192373293d39e57fa.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b66c69055dada82192373293d39e57fa.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
22	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4816 set thread context of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4816	b66c69055dada82192373293d39e57fa.exe
4816	b66c69055dada82192373293d39e57fa.exe
2100	b66c69055dada82192373293d39e57fa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	b66c69055dada82192373293d39e57fa.exe
Token: SeDebugPrivilege	2100	b66c69055dada82192373293d39e57fa.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87
PID 4816 wrote to memory of 2100	4816	b66c69055dada82192373293d39e57fa.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b66c69055dada82192373293d39e57fa.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b66c69055dada82192373293d39e57fa.exe

C:\Users\Admin\AppData\Local\Temp\b66c69055dada82192373293d39e57fa.exe
"C:\Users\Admin\AppData\Local\Temp\b66c69055dada82192373293d39e57fa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Users\Admin\AppData\Local\Temp\b66c69055dada82192373293d39e57fa.exe
  C:\Users\Admin\AppData\Local\Temp\b66c69055dada82192373293d39e57fa.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2100

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b66c69055dada82192373293d39e57fa.exe.log

Filesize
621B

MD5
ad1a8f8d9ea2fe08bd64dd13d6ad450e

SHA1
46a4f5c0e86bedd8f94bdfa0e75005809fc3299b

SHA256
a70ec63df01049ca33e9e9ba171b339b71dc26d88dfbfdf31c15d22cb7bec5e4

SHA512
3bfa4bfedc2ca9922ecc85d7793c5cb47d285f0c4f98e555136f678498c86cf8c6664b3da099e1dd5a01c8151bf643c6a957268e281768b567dc4f5295c5d62c

Download Submit
memory/2100-132-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2100-134-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/2100-135-0x0000000004F40000-0x0000000004FDC000-memory.dmp

Filesize
624KB

Download
memory/2100-136-0x0000000006370000-0x0000000006532000-memory.dmp

Filesize
1.8MB

Download
memory/2100-137-0x0000000006540000-0x00000000065D2000-memory.dmp

Filesize
584KB

Download
memory/2100-138-0x00000000062F0000-0x00000000062FA000-memory.dmp

Filesize
40KB

Download
memory/4816-130-0x00000000000B0000-0x0000000000114000-memory.dmp

Filesize
400KB

Download

Analysis

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