d744376643daec408188928d0d9c5e102ddfeba7d5e0c88c4e66cfbec5239f57

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
06/01/2024, 22:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

475972b37cdb3b35a80136909069f0c7.exe
Size

199KB
MD5

475972b37cdb3b35a80136909069f0c7
SHA1

be4d0e4ddce15e9770f50116b274fccde2109f00
SHA256

d744376643daec408188928d0d9c5e102ddfeba7d5e0c88c4e66cfbec5239f57
SHA512

46baf065eb6f1664e1e7e57c7e74497cc89cd77b71b2b406947252c4905a4755322ba77a1c97a5f1a528e69e781a77990dcf8251b22a72cba798be232126cddc
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8BkgnYT:o68i3odBiTl2+TCU/Ak8O

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"	475972b37cdb3b35a80136909069f0c7.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exez	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	475972b37cdb3b35a80136909069f0c7.exe
File opened for modification	C:\Windows\winhash_up.exez	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\bugMAKER.bat	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\winhash_up.exe	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	475972b37cdb3b35a80136909069f0c7.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	475972b37cdb3b35a80136909069f0c7.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 1388 wrote to memory of 2084	1388	475972b37cdb3b35a80136909069f0c7.exe	28
PID 1388 wrote to memory of 2084	1388	475972b37cdb3b35a80136909069f0c7.exe	28
PID 1388 wrote to memory of 2084	1388	475972b37cdb3b35a80136909069f0c7.exe	28
PID 1388 wrote to memory of 2084	1388	475972b37cdb3b35a80136909069f0c7.exe	28

C:\Users\Admin\AppData\Local\Temp\475972b37cdb3b35a80136909069f0c7.exe
"C:\Users\Admin\AppData\Local\Temp\475972b37cdb3b35a80136909069f0c7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2084

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

Loading Replay Monitor...

Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
d967f3079692f5e04aa10f747c6605c1

SHA1
2ef2e72b7446242b91589bbe15f967a42dbfcc89

SHA256
30eb09a3f8c49d3d8afabea5459182a8459bfcd2cd7779e762a5426fa06a36ff

SHA512
7d78cf27ec86abb6a5f22d4a82fc70f45357607dfe8d943ae5856b88c98643617b909c5f5c273eb2121e5293c29be66183e4361e23584cf5334c9b439c2f0209

Download Submit
memory/1388-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2084-62-0x0000000002550000-0x0000000002551000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads