527771d7d660fa0fcdb51d4d19602d8c60c420f8a594f0d9b9aa00670105f0d7

Analysis

max time kernel
91s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2024 04:53

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General

Target

98860f7832d3533ce050b81aac42e2bc.exe
Size

253KB
MD5

98860f7832d3533ce050b81aac42e2bc
SHA1

55b08d28bcbaa53cf3b7508dca9f4e3cdd18eeda
SHA256

527771d7d660fa0fcdb51d4d19602d8c60c420f8a594f0d9b9aa00670105f0d7
SHA512

27bf828beb5d2cf3edffcb2b20729ce7ef0a9151fde2efe722ed20e3a940b36b60e86ce03e44e1c37a0f8065aa8e9c0a4ef4bfe23f85bef6acb93cacd2ecf7d9
SSDEEP

6144:o68i3odBiTl2+TCU/BtkqxrqLck9k8KfI:TNodBiTI+TpBDrVk9AI

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-1-5-21-3803511929-1339359695-2191195476-1000\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"	98860f7832d3533ce050b81aac42e2bc.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exez	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\bugMAKER.bat	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	98860f7832d3533ce050b81aac42e2bc.exe
File opened for modification	C:\Windows\winhash_up.exez	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\winhash_up.exe	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	98860f7832d3533ce050b81aac42e2bc.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	98860f7832d3533ce050b81aac42e2bc.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
1208	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 1208	752	98860f7832d3533ce050b81aac42e2bc.exe	85
PID 752 wrote to memory of 1208	752	98860f7832d3533ce050b81aac42e2bc.exe	85
PID 752 wrote to memory of 1208	752	98860f7832d3533ce050b81aac42e2bc.exe	85

C:\Users\Admin\AppData\Local\Temp\98860f7832d3533ce050b81aac42e2bc.exe
"C:\Users\Admin\AppData\Local\Temp\98860f7832d3533ce050b81aac42e2bc.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:752
- 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:1208

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
c58cc61ce3e624c99d05bd5bec580b32

SHA1
651e7b2c9c0fc550fe3244230c0c105bf1d91d15

SHA256
b888a6bec437291b8fa3a29b79ca4044c58dd7897482ad7a9458eaee2bb5be3a

SHA512
7c2c9716051c6a751a4cdfd904b5fa2f7c0996096b332016da9aecb7cc341c55fbfb0d25707e4f3f3227471719fcf620f7a3d493b95773a3af7ca8cfb37b1c46

Download Submit
memory/752-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads