06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d

General

Target

06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe
Size

514KB
MD5

63432a8934949a6c8a0bac35a456187c
SHA1

32af0c79573747414a58fe518d70373b97b725e7
SHA256

06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d
SHA512

d1f18d2703d6c8baff413711eea23b5b091b681e053b5c44f3e62f7e8b79566108a6f1b49c7c90a48ffecf3e0ced314cb13e80954f642c969a28d315136a1725

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/356-117-0x0000000010000000-0x0000000010082000-memory.dmp	upx
behavioral2/memory/900-116-0x0000000010000000-0x0000000010082000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	LaunchWinApp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	LaunchWinApp.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	LaunchWinApp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	LaunchWinApp.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\InstallDir\Server.exe	LaunchWinApp.exe
File opened for modification	C:\Windows\InstallDir\	LaunchWinApp.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	LaunchWinApp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1296	900	WerFault.exe	68
1472	356	WerFault.exe	69
1620	900	WerFault.exe	68

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
356	LaunchWinApp.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 568 wrote to memory of 900	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	68
PID 568 wrote to memory of 900	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	68
PID 568 wrote to memory of 900	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	68
PID 568 wrote to memory of 900	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	68
PID 568 wrote to memory of 356	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	69
PID 568 wrote to memory of 356	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	69
PID 568 wrote to memory of 356	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	69
PID 568 wrote to memory of 356	568	06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe	69

C:\Users\Admin\AppData\Local\Temp\06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe
"C:\Users\Admin\AppData\Local\Temp\06208e61333652d3aec0ea22dfe9e0f0bb798152e29b8992fc7f82d96a5e1e7d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:568
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 532
    3⤵
    - Program crash
    PID:1296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 524
    3⤵
    - Program crash
    PID:1620
- C:\Windows\SysWOW64\LaunchWinApp.exe
  C:\Windows\system32\LaunchWinApp.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 356 -s 800
    3⤵
    - Program crash
    PID:1472

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/356-117-0x0000000010000000-0x0000000010082000-memory.dmp

Filesize
520KB

Download
memory/900-116-0x0000000010000000-0x0000000010082000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing