snakekeylogger | 9cd4b798814b08b58f509435ad4b82e9eaf959a4adedfa79da997af925cde063

General

Target

new purchase order.exe
Size

1.2MB
MD5

bfa7bc691e3facc040246078528a03c4
SHA1

3b2781fda1c63b4ca93fd518cb4aebef4f378694
SHA256

4a2da03d10086812f5419222bf567097c63e71fe188d31d11a0a7e760c786e7b
SHA512

f0672481b6b27faba9222330071a6457e2485022b34eded8bafa62498c693a69a05e7952eb598228d67600258eeb30dd1fd23775c0c3c59ecfd8bc18af56ab4c
SSDEEP

24576:7SexfdruTlj0wIeY9nM0gXq7TYA2rQtlHPI4U:mN1CjYQB

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
yulifertilizer.com.my
Port:
25
Username:
[email protected]
Password:
Ayfc931319*
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/4976-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new purchase order.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	reallyfreegeoip.org
5	checkip.dyndns.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 4976	3728	new purchase order.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	new purchase order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	new purchase order.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4976	new purchase order.exe
4976	new purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4976	new purchase order.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82
PID 3728 wrote to memory of 4976	3728	new purchase order.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new purchase order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new purchase order.exe

C:\Users\Admin\AppData\Local\Temp\new purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\new purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Users\Admin\AppData\Local\Temp\new purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\new purchase order.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3728-8-0x00000000052C0000-0x00000000052C8000-memory.dmp

Filesize
32KB

Download
memory/3728-2-0x00000000055D0000-0x0000000005B74000-memory.dmp

Filesize
5.6MB

Download
memory/3728-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3728-13-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3728-4-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3728-5-0x0000000005000000-0x000000000500A000-memory.dmp

Filesize
40KB

Download
memory/3728-6-0x0000000005260000-0x00000000052B4000-memory.dmp

Filesize
336KB

Download
memory/3728-7-0x0000000005370000-0x000000000540C000-memory.dmp

Filesize
624KB

Download
memory/3728-12-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3728-1-0x00000000004F0000-0x000000000062A000-memory.dmp

Filesize
1.2MB

Download
memory/3728-3-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/4976-11-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-17-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-10-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-14-0x00000000064C0000-0x0000000006510000-memory.dmp

Filesize
320KB

Download
memory/4976-15-0x00000000066E0000-0x00000000068A2000-memory.dmp

Filesize
1.8MB

Download
memory/4976-16-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4976-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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