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
behavioral1/memory/952-59-0x0000000000400000-0x000000000041E000-memory.dmp	family_404keylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\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
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 880 set thread context of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
952	InstallUtil.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe
Token: SeDebugPrivilege	952	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
952	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1216	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	27
PID 880 wrote to memory of 1216	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	27
PID 880 wrote to memory of 1216	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	27
PID 880 wrote to memory of 1216	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	27
PID 880 wrote to memory of 1216	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	27
PID 880 wrote to memory of 1216	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	27
PID 880 wrote to memory of 1216	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	27
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28
PID 880 wrote to memory of 952	880	80ffd81d3515ad6c242ee9c7a89570b3dc64554c7374a618194f97f4ead977a0.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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:880
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:1216
- 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:952

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

Loading Replay Monitor...

Downloads

memory/880-54-0x0000000001080000-0x00000000010CC000-memory.dmp

Filesize
304KB

Download
memory/880-55-0x00000000009C0000-0x00000000009E4000-memory.dmp

Filesize
144KB

Download
memory/880-56-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/880-58-0x0000000000A70000-0x0000000000A73000-memory.dmp

Filesize
12KB

Download
memory/952-59-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/952-61-0x0000000000AF5000-0x0000000000B06000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing