snakekeylogger | a315f9c05c2c54565cc0d5615bd79b4c25012fa64d72758cb53f2bac2af78556

Analysis

max time kernel
150s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2022, 11:55

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General

Target

tmp.exe
Size

866KB
MD5

802e5cccd06f899eac41a3946408161b
SHA1

9d0fad0078c96c3ea4c5e9d0c4e449310e0bce5f
SHA256

a315f9c05c2c54565cc0d5615bd79b4c25012fa64d72758cb53f2bac2af78556
SHA512

3a364ad6220c7c58fca7b4158e2fc627649da10d36f48114e4c18c098a668970314eacc66b4bf601b6ff77634dd17e62acbbe4aa751c1ec588f51735601ed23d
SSDEEP

12288:2/RYlxF4M9nLDJLfJEGlYsJqw1bOkb2h6apTWO:RbF4shVlYoqQb7yvpCO

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5523020974:AAHw91wZ4lFXSikGhiv2A-o3CzmAt30RREg/sendMessage?chat_id=1972606022

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4412-139-0x0000000000400000-0x0000000000426000-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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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
48	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 4412	1544	tmp.exe	94

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4412	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4412	tmp.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4412	1544	tmp.exe	94
PID 1544 wrote to memory of 4412	1544	tmp.exe	94
PID 1544 wrote to memory of 4412	1544	tmp.exe	94
PID 1544 wrote to memory of 4412	1544	tmp.exe	94
PID 1544 wrote to memory of 4412	1544	tmp.exe	94
PID 1544 wrote to memory of 4412	1544	tmp.exe	94
PID 1544 wrote to memory of 4412	1544	tmp.exe	94
PID 1544 wrote to memory of 4412	1544	tmp.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4412

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/1544-132-0x0000000000F50000-0x0000000001030000-memory.dmp

Filesize
896KB

Download
memory/1544-133-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/1544-134-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/1544-135-0x00000000059D0000-0x00000000059DA000-memory.dmp

Filesize
40KB

Download
memory/1544-136-0x0000000009440000-0x00000000094DC000-memory.dmp

Filesize
624KB

Download
memory/1544-137-0x00000000094E0000-0x0000000009546000-memory.dmp

Filesize
408KB

Download
memory/4412-139-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4412-141-0x00000000069D0000-0x0000000006B92000-memory.dmp

Filesize
1.8MB

Download