404keylogger | 25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934

General

Target

25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe
Size

1.4MB
MD5

bcf252bdff29159c7c15233718df745d
SHA1

20a382a1290377255239782dbb107c552c33f3e8
SHA256

25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934
SHA512

b36ae019a56236370d0ad583a7cd4912f3fca49b3fdb6461f718ed5c9912f68410671573daa6ceec500f4754fcc3379f26057742b9675b4b8907287d483b6d46

Score

10^/10

404keylogger keylogger stealer

Malware Config

Signatures

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

404 Keylogger Main Executable 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3872-133-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Suspicious use of SetThreadContext 1 IoCs

Processes:

25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

description	pid	process	target process
PID 4116 set thread context of 3872	4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe	MSBuild.exe

Drops file in Windows directory 1 IoCs

Processes:

MSBuild.exe

description ioc process

File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe MSBuild.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4748 3872 WerFault.exe MSBuild.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

pid process

4116 25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

description	ioc	process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe	MSBuild.exe

pid	pid_target	process	target process
4748	3872	WerFault.exe	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

pid	process
4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe
4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe
4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

pid	process
4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe
4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe
4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe

description	pid	process	target process
PID 4116 wrote to memory of 3872	4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe	MSBuild.exe
PID 4116 wrote to memory of 3872	4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe	MSBuild.exe
PID 4116 wrote to memory of 3872	4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe	MSBuild.exe
PID 4116 wrote to memory of 3872	4116	25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe
"C:\Users\Admin\AppData\Local\Temp\25040c35d20171f24a057fa11719af5fe9d65333a5ada111af8ff45e17df5934.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Drops file in Windows directory
  PID:3872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 796
    3⤵
    - Program crash
    PID:4748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3872 -ip 3872
1⤵
PID:4664

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3872-132-0x0000000000000000-mapping.dmp

Download
memory/3872-133-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3872-134-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/3872-135-0x0000000005870000-0x000000000590C000-memory.dmp

Filesize
624KB

Download
memory/4116-130-0x00000000040B0000-0x00000000040E8000-memory.dmp

Filesize
224KB

Download
memory/4116-131-0x00000000040F0000-0x0000000004128000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads