45c54bd1f77849b135d0dfe3f23ed3b874e6d06a69ab4cb1ceba1c5816a2ea5e

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 04:27

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General

Target

766183bd078b0a05cdcfed1f0ad4a8d0.exe
Size

187KB
MD5

766183bd078b0a05cdcfed1f0ad4a8d0
SHA1

e58dbfcbac0f896948f64b63a3c00c07565a951e
SHA256

45c54bd1f77849b135d0dfe3f23ed3b874e6d06a69ab4cb1ceba1c5816a2ea5e
SHA512

1f58fcef602caf30e289d1a0b8405e0052734649c842bd9957d55a09b139479b4b027232451b5adc48a782bdbc1c3af4ec5bc720d72a0e0c2a7b0131222e253e
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8/pjBFy11Awp:o68i3odBiTl2+TCU/yhuhuW

Score

6^/10

persistence

Malware Config

Signatures

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	766183bd078b0a05cdcfed1f0ad4a8d0.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exe	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\bugMAKER.bat	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\winhash_up.exez	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File opened for modification	C:\Windows\winhash_up.exez	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	766183bd078b0a05cdcfed1f0ad4a8d0.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2684	2636	766183bd078b0a05cdcfed1f0ad4a8d0.exe	28
PID 2636 wrote to memory of 2684	2636	766183bd078b0a05cdcfed1f0ad4a8d0.exe	28
PID 2636 wrote to memory of 2684	2636	766183bd078b0a05cdcfed1f0ad4a8d0.exe	28
PID 2636 wrote to memory of 2684	2636	766183bd078b0a05cdcfed1f0ad4a8d0.exe	28

C:\Users\Admin\AppData\Local\Temp\766183bd078b0a05cdcfed1f0ad4a8d0.exe
"C:\Users\Admin\AppData\Local\Temp\766183bd078b0a05cdcfed1f0ad4a8d0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2684

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
d9bd8e412192f532e038da89384fc16a

SHA1
2c12493159cb3abca00750d361b3eccf55297ad5

SHA256
b12d4b978561a75a34abff48c544210cd78eae7965d1b1f5a06d7f2c8550c25b

SHA512
bcde00898a2338533705bb26dbac20a325dcd478f1350085a77d5c4d67cf16999043d7c6ceb44b7549492aad57c2588456982d2657c396bfbf9f87985215fbe0

Download Submit
memory/2636-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2684-62-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads