a78cfbc114281a4ad947ed6576cdad7f8e710f912f725de43619d0edcca7d237

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 15:51

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General

Target

54a7708b81e0d296649f686e5e4e30b9.exe
Size

475KB
MD5

54a7708b81e0d296649f686e5e4e30b9
SHA1

7c088aeb0118854d754c223875d7f4a99a4b2aa2
SHA256

a78cfbc114281a4ad947ed6576cdad7f8e710f912f725de43619d0edcca7d237
SHA512

f1b136add393265a8e755c898d34b798a1125009f36fea64bea020dcb89584bca2286325fac76d223220ef055d071ddf6010f5c799e7148e309a3eb2babe6370
SSDEEP

12288:TNodBiTI+TprA6EZO7KUQRZ66z24VZbdrpgrXN2LWzmidN:ZoPD+Tpr3vKU6Z66z24VZbFpgJ2LWzm+

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-1-5-21-983843758-932321429-1636175382-1000\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"	54a7708b81e0d296649f686e5e4e30b9.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\winhash_up.exez	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\winhash_up.exe	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\bugMAKER.bat	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\winhash_up.exez	54a7708b81e0d296649f686e5e4e30b9.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	54a7708b81e0d296649f686e5e4e30b9.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
3824	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 3824	1004	54a7708b81e0d296649f686e5e4e30b9.exe	90
PID 1004 wrote to memory of 3824	1004	54a7708b81e0d296649f686e5e4e30b9.exe	90
PID 1004 wrote to memory of 3824	1004	54a7708b81e0d296649f686e5e4e30b9.exe	90

C:\Users\Admin\AppData\Local\Temp\54a7708b81e0d296649f686e5e4e30b9.exe
"C:\Users\Admin\AppData\Local\Temp\54a7708b81e0d296649f686e5e4e30b9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1004
- 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:3824

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
6c738e84698784a49071a4c6a60c67a3

SHA1
882eb46a332148a2d6a07cc73659fe86293e96cd

SHA256
2dd19f40a22be2b7c1678196dcac464ffb91d99b85a0f9df7dfe444acc5006b7

SHA512
56af2d0cb0043374882931378e29efa727eb18ca1baf47c927e664ae8d6f445f36457dfc3e97c6732f25fd80e3756633d6159537d8c708adf4f16cd9e4dc48fe

Download Submit
memory/1004-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads