snakekeylogger | ff064236daa7b60d15f5c6c0247c90808553142bbaf65c5dca092efe7ab3d34e

General

Target
Purchase Order.exe
Size 429KB
Sample220119-s1xsdabbbl
SHA256 ff064236daa7b60d15f5c6c0247c90808553142bbaf65c5dca092efe7ab3d34e
MD5 bfdc1863c059454a607ed629bf1f3913
SHA1 c06567b9e48d6b7bd7c5317391a36553cf73291d
SHA512 2208a7b4295d698e9b30702ee0f3a841e2e87a548a8f6a0e5a39169486bf400cc6e7512307caf182767a5cf85456c75aa4de40ae2be917730d13d003da77debc
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5003449260:AAENtP4Tzr9My4Dh-x5IgX7-VIgy7oLFBMc/sendMessage?chat_id=5097728125

Signatures

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

Snake Keylogger Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1240-61-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1240-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1240-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1240-64-0x0000000000400000-0x0000000000426000-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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1916 set thread context of 1240	1916	Purchase Order.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1240	Purchase Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1240	Purchase Order.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1916 wrote to memory of 1240	1916	Purchase Order.exe	27
PID 1240 wrote to memory of 436	1240	Purchase Order.exe	28
PID 1240 wrote to memory of 436	1240	Purchase Order.exe	28
PID 1240 wrote to memory of 436	1240	Purchase Order.exe	28
PID 1240 wrote to memory of 436	1240	Purchase Order.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1240
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:436

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

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Downloads

memory/1240-59-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1240-60-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1240-61-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1240-62-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1240-63-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1240-64-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1240-66-0x0000000004670000-0x0000000004671000-memory.dmp

Download

memory/1916-54-0x0000000000910000-0x0000000000984000-memory.dmp

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memory/1916-55-0x0000000075F21000-0x0000000075F23000-memory.dmp

Download

memory/1916-56-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Download

memory/1916-57-0x00000000004C0000-0x00000000004CC000-memory.dmp

Download

memory/1916-58-0x00000000020C0000-0x0000000002112000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads