snakekeylogger | bcb33dca005d9304c510b37244bf304ac9ce7dbcb0b4708752cdb747b877dd04

General

Target

Invoice for Authorized.exe
Size

1.1MB
MD5

a4f4ace29081f66063d5a8c61739dcb4
SHA1

7ff750b4f4e21d265f28836bd28dc691d3e53125
SHA256

7ea9b98bca8ca5e1b8c7c850202d609181d645462ce39d16a920e25f12ad5b81
SHA512

29fb5ffbd5b89c6f4e4a0751b2562ab57de312f9fb58777efa4a67e93aa29979d6318bddfca2bcfbd81fdbc71bc67221521de432a77519615ad44f56eff7e187
SSDEEP

12288:kPZSZWEL1QAEomSpnr6rMRw2stLNDnuSmfWCE27/Jyirzl3TqcNy3R61R:khSZWEL1DZZQMRFKDnu7W927hrzl

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
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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice for Authorized.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice for Authorized.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice for Authorized.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
42	checkip.dyndns.org
44	freegeoip.app
45	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3312 set thread context of 3444	3312	Invoice for Authorized.exe	99

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1052	3444	WerFault.exe	99

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	Invoice for Authorized.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice for Authorized.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3312	Invoice for Authorized.exe
3312	Invoice for Authorized.exe
3312	Invoice for Authorized.exe
3312	Invoice for Authorized.exe
3444	Invoice for Authorized.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3312	Invoice for Authorized.exe
Token: SeDebugPrivilege	3444	Invoice for Authorized.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 2436	3312	Invoice for Authorized.exe	97
PID 3312 wrote to memory of 2436	3312	Invoice for Authorized.exe	97
PID 3312 wrote to memory of 2436	3312	Invoice for Authorized.exe	97
PID 3312 wrote to memory of 1568	3312	Invoice for Authorized.exe	98
PID 3312 wrote to memory of 1568	3312	Invoice for Authorized.exe	98
PID 3312 wrote to memory of 1568	3312	Invoice for Authorized.exe	98
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99
PID 3312 wrote to memory of 3444	3312	Invoice for Authorized.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice for Authorized.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice for Authorized.exe

C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"
  2⤵
  PID:2436
- C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe"
  2⤵
  PID:1568
- C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice for Authorized.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:3444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 1788
    3⤵
    - Program crash
    PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3444 -ip 3444
1⤵
PID:1936

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

memory/3312-8-0x0000000004530000-0x000000000454E000-memory.dmp

Filesize
120KB

Download
memory/3312-7-0x0000000004E40000-0x0000000004E96000-memory.dmp

Filesize
344KB

Download
memory/3312-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/3312-3-0x00000000051B0000-0x0000000005754000-memory.dmp

Filesize
5.6MB

Download
memory/3312-4-0x0000000004C00000-0x0000000004C92000-memory.dmp

Filesize
584KB

Download
memory/3312-5-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

Filesize
40KB

Download
memory/3312-6-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3312-15-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3312-2-0x0000000004AB0000-0x0000000004B4C000-memory.dmp

Filesize
624KB

Download
memory/3312-1-0x0000000000060000-0x0000000000176000-memory.dmp

Filesize
1.1MB

Download
memory/3312-11-0x0000000007920000-0x00000000079B8000-memory.dmp

Filesize
608KB

Download
memory/3312-10-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3312-12-0x0000000009CA0000-0x0000000009D08000-memory.dmp

Filesize
416KB

Download
memory/3312-9-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/3444-19-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3444-16-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3444-17-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3444-18-0x0000000006AB0000-0x0000000006C72000-memory.dmp

Filesize
1.8MB

Download
memory/3444-13-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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