d1b65269d3dda2705c4d070065e20ef0dbddee818fca5c85b83aaf809313800b

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 14:30

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General

Target

bed77d2d0f491679dbab2b2d40661fb2.exe
Size

161KB
MD5

bed77d2d0f491679dbab2b2d40661fb2
SHA1

21abfdd00227c89342b60e7e77bdc6af9b0d7b28
SHA256

d1b65269d3dda2705c4d070065e20ef0dbddee818fca5c85b83aaf809313800b
SHA512

b803cc484b0d53663c5c0f61e0910b2eaffc418f7320e32e4ee6d70d1d35a971c327fa326bad6c6a89319878833c00c8e59270b4326b9318d1ca849f855261ca
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8A:o68i3odBiTl2+TCU/7

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"	bed77d2d0f491679dbab2b2d40661fb2.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon3.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File opened for modification	C:\Windows\winhash_up.exez	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\winhash_up.exez	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\bugMAKER.bat	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\winhash_up.exe	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	bed77d2d0f491679dbab2b2d40661fb2.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	bed77d2d0f491679dbab2b2d40661fb2.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 2356 wrote to memory of 2904	2356	bed77d2d0f491679dbab2b2d40661fb2.exe	28
PID 2356 wrote to memory of 2904	2356	bed77d2d0f491679dbab2b2d40661fb2.exe	28
PID 2356 wrote to memory of 2904	2356	bed77d2d0f491679dbab2b2d40661fb2.exe	28
PID 2356 wrote to memory of 2904	2356	bed77d2d0f491679dbab2b2d40661fb2.exe	28

C:\Users\Admin\AppData\Local\Temp\bed77d2d0f491679dbab2b2d40661fb2.exe
"C:\Users\Admin\AppData\Local\Temp\bed77d2d0f491679dbab2b2d40661fb2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2904

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
be3b3fd297d250e9182f3b558ff024f2

SHA1
c9f014e3f51aba97c1eaf619d83e13256af772d6

SHA256
a3d50a62fa293c629cd80f9b5b025aa662a30a0a1e6c62aa2bf2f22ebd4aec1e

SHA512
755b6019a33e384dafd3faa009646aa856c57e3e7f55e8f7d617884b676866b10580db0ae9c54d13d8ae93d3864206c6aadabb32d186f3d73872989c67673c36

Download Submit
memory/2356-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2904-62-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads