b489f8fc84040bdce89f8b4e57854da1f52b59a031b31c344c3360bd362aa4f2

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2024, 18:49

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General

Target

704ae38a90ab5fc90605f7542cb07aff.exe
Size

237KB
MD5

704ae38a90ab5fc90605f7542cb07aff
SHA1

7777022de08562e669380248e2803863a9f7a9d8
SHA256

b489f8fc84040bdce89f8b4e57854da1f52b59a031b31c344c3360bd362aa4f2
SHA512

b450872887f392584bb47f881b6fc583633e7bd9157e47087bd8571e126e617ddf1ddb34e08dcaa2814854e539b009760f118e944a30de3a97bcaa84ef51fff5
SSDEEP

3072:JIP/Vn27kbOchZQ9AdKKDpvUEnkJ6u53lcE3JDSFR2QFFApvXZTm75709XFNMefq:JQ27JchZBFcLpSApPRd1NMefLwUSiO

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/940-0-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/3144-1-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/940-303-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/3144-29247-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral2/memory/3144-52844-0x0000000000400000-0x000000000043D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cognac = "C:\\Users\\Admin\\AppData\\Local\\Temp\\704ae38a90ab5fc90605f7542cb07aff.exe"	704ae38a90ab5fc90605f7542cb07aff.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3616	3144	WerFault.exe	84

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3144	704ae38a90ab5fc90605f7542cb07aff.exe
3144	704ae38a90ab5fc90605f7542cb07aff.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 3144	940	704ae38a90ab5fc90605f7542cb07aff.exe	84
PID 940 wrote to memory of 3144	940	704ae38a90ab5fc90605f7542cb07aff.exe	84
PID 940 wrote to memory of 3144	940	704ae38a90ab5fc90605f7542cb07aff.exe	84

C:\Users\Admin\AppData\Local\Temp\704ae38a90ab5fc90605f7542cb07aff.exe
"C:\Users\Admin\AppData\Local\Temp\704ae38a90ab5fc90605f7542cb07aff.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:940
- C:\Users\Admin\AppData\Local\Temp\704ae38a90ab5fc90605f7542cb07aff.exe
  C:\Users\Admin\AppData\Local\Temp\704ae38a90ab5fc90605f7542cb07aff.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:3144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 1376
    3⤵
    - Program crash
    PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3144 -ip 3144
1⤵
PID:3668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/940-0-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/940-303-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3144-1-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3144-29247-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3144-52844-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads