snakekeylogger | c63131caf89788777ee4f2873400393c9dae54464043e1bbdae6c57a8f971f1e

General

Target

BANK INFORMATION.exe
Size

856KB
MD5

c67942995f9f76a2fe57c85f27435aa0
SHA1

7c447663a9e841f47cba60e29164accedd82e4e8
SHA256

44af2a0a5fe2bbc9da82eb8836213ef51297cbf439ac9afd244f9513539b2f53
SHA512

8071049978a65e0ff2eb1375a0e445ba9a4656814a670574b795171829c0d2e5d7543f9480275032d2e8d55eab4fdeb1fe604f5f0c50930532b7b4166251e2ce
SSDEEP

12288:hWYaoA3uSHK7zFLpIa7/rXwBWfIt4zREuN/UMhWBge//Worn0k/O5z1f:M9uRRNVbrXwR4zRb6hBO5

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
BkKMmzZ1

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Snakekeylogger 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
T1552.001
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK INFORMATION.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK INFORMATION.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK INFORMATION.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
34	freegeoip.app
35	freegeoip.app
32	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 716 set thread context of 2376	716	BANK INFORMATION.exe	100

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1216	2376	WerFault.exe	100

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	BANK INFORMATION.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BANK INFORMATION.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2376	BANK INFORMATION.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	BANK INFORMATION.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100
PID 716 wrote to memory of 2376	716	BANK INFORMATION.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK INFORMATION.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK INFORMATION.exe

C:\Users\Admin\AppData\Local\Temp\BANK INFORMATION.exe
"C:\Users\Admin\AppData\Local\Temp\BANK INFORMATION.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:716
- C:\Users\Admin\AppData\Local\Temp\BANK INFORMATION.exe
  "C:\Users\Admin\AppData\Local\Temp\BANK INFORMATION.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:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 1480
    3⤵
    - Program crash
    PID:1216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2376 -ip 2376
1⤵
PID:4060

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

4

T1552

Credentials In Files

4

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

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

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/716-10-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/716-1-0x0000000000830000-0x000000000090C000-memory.dmp

Filesize
880KB

Download
memory/716-9-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/716-4-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/716-5-0x0000000005370000-0x000000000537A000-memory.dmp

Filesize
40KB

Download
memory/716-6-0x00000000055D0000-0x0000000005626000-memory.dmp

Filesize
344KB

Download
memory/716-7-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/716-8-0x0000000006790000-0x00000000067A6000-memory.dmp

Filesize
88KB

Download
memory/716-3-0x0000000005950000-0x0000000005EF4000-memory.dmp

Filesize
5.6MB

Download
memory/716-0-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/716-12-0x00000000094F0000-0x000000000955A000-memory.dmp

Filesize
424KB

Download
memory/716-11-0x0000000006E90000-0x0000000006F28000-memory.dmp

Filesize
608KB

Download
memory/716-17-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/716-2-0x0000000005260000-0x00000000052FC000-memory.dmp

Filesize
624KB

Download
memory/2376-16-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-13-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2376-18-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-19-0x0000000006B10000-0x0000000006CD2000-memory.dmp

Filesize
1.8MB

Download
memory/2376-20-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download

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