2bfb8746afb896b7cff3d2071a7942b3e4cded0e39c23a97ead5c7c0f9c9471e

Analysis

max time kernel
92s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 17:40

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General

Target

ac777bfd1b6806938a7727ab61f96259.exe
Size

241KB
MD5

ac777bfd1b6806938a7727ab61f96259
SHA1

32160ad90d85399608d5a62e3f1f6a7f32e47de6
SHA256

2bfb8746afb896b7cff3d2071a7942b3e4cded0e39c23a97ead5c7c0f9c9471e
SHA512

ce89bb30360c5343326a093b2e5d4b039b8129b07aa9abdce61fc32fd9f5659ff2c5072b2f4ea797a352fa4f217162d27a7e61dc0637d13f78b044c66e06a928
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8ykgnYHfQlAM:o68i3odBiTl2+TCU/Uk8KfQl9k87

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	cmd.exe

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"	ac777bfd1b6806938a7727ab61f96259.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon10.ico	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\winhash_up.exez	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\bugMAKER.bat	ac777bfd1b6806938a7727ab61f96259.exe
File opened for modification	C:\Windows\winhash_up.exez	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\winhash_up.exe	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	ac777bfd1b6806938a7727ab61f96259.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	ac777bfd1b6806938a7727ab61f96259.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1600	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 1600	464	ac777bfd1b6806938a7727ab61f96259.exe	86
PID 464 wrote to memory of 1600	464	ac777bfd1b6806938a7727ab61f96259.exe	86
PID 464 wrote to memory of 1600	464	ac777bfd1b6806938a7727ab61f96259.exe	86

C:\Users\Admin\AppData\Local\Temp\ac777bfd1b6806938a7727ab61f96259.exe
"C:\Users\Admin\AppData\Local\Temp\ac777bfd1b6806938a7727ab61f96259.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:464
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:1600

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
6aa0956420bbbacff62ff3a0e8fa6d83

SHA1
1d5b812b9293b7c40402c3482784e2fe1571a7c8

SHA256
d158b6ccfd11e42a70af31fc86648c1427c471df195cec0a93d2f387cf08e152

SHA512
16dd974c06a2d9b87bbdcf6ceb644cbbef7769accb61465c45c7c2f740c9b4a12322f202a47466ee89c9f44f34888b3b7f41f7c7736c477d2791997855b746af

Download Submit
memory/464-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads