a2f9c3ecc6e032ffc4fcc87541e562b1a718f2993f76d7c3331f53a3e9d6f41d

Analysis

max time kernel
99s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 12:51

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General

Target

fc82894f3d1cab299b671cf17cada0e0N.exe
Size

49KB
MD5

fc82894f3d1cab299b671cf17cada0e0
SHA1

b4eef312f7c9cb753a94dd0d5380dea71ab90563
SHA256

a2f9c3ecc6e032ffc4fcc87541e562b1a718f2993f76d7c3331f53a3e9d6f41d
SHA512

33462ecd1f1095a783ce97707766bdd0ab57cb180d00aa7c7c9200a1530bc2161eba90d3899a61cb0ba6476088fba54ac1966233b6ca326555e9e994ec2c0910
SSDEEP

768:Q8eRHO9lFh0ul16sh7iQroCH/f+RjFBSuB2XVw5:Q9lOZ16sh7iQroCuRB0ux

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	fc82894f3d1cab299b671cf17cada0e0N.exe

Executes dropped EXE 1 IoCs

pid	Process
3360	bkgrnd.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	fc82894f3d1cab299b671cf17cada0e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkgrnd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 3360	4140	fc82894f3d1cab299b671cf17cada0e0N.exe	85
PID 4140 wrote to memory of 3360	4140	fc82894f3d1cab299b671cf17cada0e0N.exe	85
PID 4140 wrote to memory of 3360	4140	fc82894f3d1cab299b671cf17cada0e0N.exe	85

C:\Users\Admin\AppData\Local\Temp\fc82894f3d1cab299b671cf17cada0e0N.exe
"C:\Users\Admin\AppData\Local\Temp\fc82894f3d1cab299b671cf17cada0e0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
  "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3360

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

Replay Monitor

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Downloads

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

Filesize
49KB

MD5
612a06ef971248026348758e86944c52

SHA1
ed2f39b2cd8a846a0e122bc35d0d885aaae9f080

SHA256
ae351678ec021b407eac397d38063d00d2ebcc5c289f70c5b16f51ddbee80075

SHA512
3df2c706536bf1b966cd1745dd00d7ab0bb3ea4cc9bc1d83cb7e33a3dff64b404a3a6f3c237d705cce94ed7d5fee8d9a37a429f45ca48702245a79eb80551a0b

Download Submit
memory/3360-17-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4140-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4140-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/4140-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/4140-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download