404keylogger | 80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0

General

Target

80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
Size

277KB
MD5

42c46a822f403a6be70133ba356b917a
SHA1

0e49ed7754d124cdea0986a1034c5ec7ba1b7696
SHA256

80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0
SHA512

3f4683cda00973e6f97daecd54a558f36edc893c35b2bf7ca3df5d5090a8f942ae717ef80d17530137883151fbc88cb75cda9ec3d27621929ed885a6edd3dd1b

Score

10^/10

404keylogger collection keylogger persistence stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
!td!$yHM4DMKS

Signatures

404 Keylogger
Information stealer and keylogger first seen in 2019.
stealer keylogger 404keylogger

404 Keylogger Main Executable 1 IoCs

resource	yara_rule
behavioral2/memory/1884-134-0x0000000000400000-0x000000000041E000-memory.dmp	family_404keylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PuhGn = "C:\\Users\\Admin\\AppData\\Roaming\\PuhGni\\WinDriv.url"	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.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
17	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 1884	2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	83

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
1884	InstallUtil.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
Token: SeDebugPrivilege	1884	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1884	InstallUtil.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 1884	2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	83
PID 2352 wrote to memory of 1884	2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	83
PID 2352 wrote to memory of 1884	2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	83
PID 2352 wrote to memory of 1884	2352	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
"C:\Users\Admin\AppData\Local\Temp\80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1884-134-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1884-135-0x00000000056E0000-0x000000000577C000-memory.dmp

Filesize
624KB

Download
memory/1884-136-0x00000000065D0000-0x0000000006636000-memory.dmp

Filesize
408KB

Download
memory/1884-137-0x0000000006D90000-0x0000000006F52000-memory.dmp

Filesize
1.8MB

Download
memory/1884-138-0x0000000006B00000-0x0000000006B0A000-memory.dmp

Filesize
40KB

Download
memory/2352-130-0x0000000000DA0000-0x0000000000DEC000-memory.dmp

Filesize
304KB

Download
memory/2352-131-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/2352-132-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download

Analysis

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