c484035a28106b17475b76067885803fa9f6f9f65199797342319d8475c63c46

Analysis

max time kernel
119s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 22:05

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General

Target

a6c1bfe36034206314fce3ea6f857690N.exe
Size

55KB
MD5

a6c1bfe36034206314fce3ea6f857690
SHA1

38527ceae9925cdb74f33eca5951e62ffe13dbc8
SHA256

c484035a28106b17475b76067885803fa9f6f9f65199797342319d8475c63c46
SHA512

d17170feefa1fc54423871adc4b7fd4cbd605313d38307bded8d1bdfcedaf16cbea8bb4543e385351511e836a48c8ccce86d46b2ebab9245686e98bf7861cd32
SSDEEP

768:EyW1yBtObv0U/qchMXEIPxQ3F5j0GoR+8Ode55B0nr:24Bobv7ZhMRxQE48OsB2

Score

7^/10

discovery

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	a6c1bfe36034206314fce3ea6f857690N.exe

Executes dropped EXE 1 IoCs

pid	Process
548	zbhnd.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a6c1bfe36034206314fce3ea6f857690N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zbhnd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 548	4480	a6c1bfe36034206314fce3ea6f857690N.exe	85
PID 4480 wrote to memory of 548	4480	a6c1bfe36034206314fce3ea6f857690N.exe	85
PID 4480 wrote to memory of 548	4480	a6c1bfe36034206314fce3ea6f857690N.exe	85

C:\Users\Admin\AppData\Local\Temp\a6c1bfe36034206314fce3ea6f857690N.exe
"C:\Users\Admin\AppData\Local\Temp\a6c1bfe36034206314fce3ea6f857690N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Users\Admin\AppData\Local\Temp\zbhnd.exe
  "C:\Users\Admin\AppData\Local\Temp\zbhnd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\zbhnd.exe

Filesize
56KB

MD5
eabfc32e0afe023d036aa20bae877dee

SHA1
951f9ced182b3cf50834a4cc4039b40ce0d9dbde

SHA256
b59a00d6cdcd08dde778eee4278cde5c9629ae59323f8883ab659138e6e01e7e

SHA512
be7362bc52b2acc2452e6dda127c7077665abba995f91dfce536c3c422799f9208555cef9ba6f6cfa544acb0e6e69fcd3b85120687a346a45dc8b998d6b7f02e

Download Submit
memory/548-15-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4480-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4480-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4480-14-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download