8c9481f3d8e34722348ad2af46c3437494f55bd700338a571b10deb2b5b0b412

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:51

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General

Target

7522dc5a163d4c239ff4a6f347c697b1.exe
Size

187KB
MD5

7522dc5a163d4c239ff4a6f347c697b1
SHA1

aea492a8555383c8f9fee9ddd0942f357771e4b1
SHA256

8c9481f3d8e34722348ad2af46c3437494f55bd700338a571b10deb2b5b0b412
SHA512

d424ee40605d3d62489954268737dda35ddc5fe3ab2a3765bbab7acc1a737389a6648aabd4ccd578a1029a9e3dc843aba5af0bf525c4efa48b1e93e8d8db9682
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8qh1K:o68i3odBiTl2+TCU/R1K

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

Processes:

7522dc5a163d4c239ff4a6f347c697b1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	7522dc5a163d4c239ff4a6f347c697b1.exe

Drops file in Windows directory 13 IoCs

Processes:

7522dc5a163d4c239ff4a6f347c697b1.exe

description	ioc	process
File created	C:\Windows\SHARE_TEMP\Icon6.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File opened for modification	C:\Windows\winhash_up.exez	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\bugMAKER.bat	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\winhash_up.exez	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\winhash_up.exe	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	7522dc5a163d4c239ff4a6f347c697b1.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	7522dc5a163d4c239ff4a6f347c697b1.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

Processes:

7522dc5a163d4c239ff4a6f347c697b1.exe

description	pid	process	target process
PID 2960 wrote to memory of 2796	2960	7522dc5a163d4c239ff4a6f347c697b1.exe	cmd.exe
PID 2960 wrote to memory of 2796	2960	7522dc5a163d4c239ff4a6f347c697b1.exe	cmd.exe
PID 2960 wrote to memory of 2796	2960	7522dc5a163d4c239ff4a6f347c697b1.exe	cmd.exe
PID 2960 wrote to memory of 2796	2960	7522dc5a163d4c239ff4a6f347c697b1.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\7522dc5a163d4c239ff4a6f347c697b1.exe
"C:\Users\Admin\AppData\Local\Temp\7522dc5a163d4c239ff4a6f347c697b1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2796

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

Replay Monitor

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
fc4781538f20991ab067565acf1764bc

SHA1
d4122b1a508c5c3ec97f5b5d2eef6c101839ab85

SHA256
238c518fe9f766e383e9a6e3a0b44cf4a10b8da880de61dd11e5b8c0f7ed7cfe

SHA512
3e323477089e35ce6759c2ee314a971558e7769697d3e15c0307d38de6445d9d51be0fc2ea65fe523b22e56a1717211fb2c0bff77a925e67fab0e07594d85aab

Download Submit
memory/2796-62-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2960-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download