2974a704684460d3d9e5bc9c141fc2264280705dbf7cef6f4335f0d30f56a45c

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 17:23

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General

Target

41779bb1c1019e7bd0cbedb12600b88b.exe
Size

205KB
MD5

41779bb1c1019e7bd0cbedb12600b88b
SHA1

64785640f72d7cc4f3da804197a3cf8b278b30ff
SHA256

2974a704684460d3d9e5bc9c141fc2264280705dbf7cef6f4335f0d30f56a45c
SHA512

9ca7455c43be74bc002f1e55e4db2f527e71930472d122ea0ecf47453a5799ec5cb564e51944589fd5d28a0ae6efb15817036895645a745638fb6b4df140e4e0
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8tkgnYHfQlAp:o68i3odBiTl2+TCU/Tk8KfQlQ

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"	41779bb1c1019e7bd0cbedb12600b88b.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exe	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\bugMAKER.bat	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\winhash_up.exez	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	41779bb1c1019e7bd0cbedb12600b88b.exe
File opened for modification	C:\Windows\winhash_up.exez	41779bb1c1019e7bd0cbedb12600b88b.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	41779bb1c1019e7bd0cbedb12600b88b.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 1032 wrote to memory of 2788	1032	41779bb1c1019e7bd0cbedb12600b88b.exe	28
PID 1032 wrote to memory of 2788	1032	41779bb1c1019e7bd0cbedb12600b88b.exe	28
PID 1032 wrote to memory of 2788	1032	41779bb1c1019e7bd0cbedb12600b88b.exe	28
PID 1032 wrote to memory of 2788	1032	41779bb1c1019e7bd0cbedb12600b88b.exe	28

C:\Users\Admin\AppData\Local\Temp\41779bb1c1019e7bd0cbedb12600b88b.exe
"C:\Users\Admin\AppData\Local\Temp\41779bb1c1019e7bd0cbedb12600b88b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2788

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
32fb28ecb036daf5ac74b6005f851772

SHA1
50bfcb16484549d61b858ed20ce2c73f993467d4

SHA256
b2422ee8f14bf1f479e3a3a4600027b7621e777ce42bf57a3355da5124d5165a

SHA512
160943546dbbb838db30230f6ba2eb3a1001a600a62736dc8255fdfef62468ebca13097796aed2346268e98a30de58e5a5d306fcddd4303b8a46d4351530168a

Download Submit
memory/1032-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2788-62-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads