aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:31

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General

Target

aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe
Size

59KB
MD5

88ae37ea5d5e4d41cd54176052a1a6d0
SHA1

2466267368a278288ec404e352676739e2d44adf
SHA256

aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3
SHA512

c5eb635e529f4372e56af6758900659c61848e64cd181c6df1f903d1fe23a9072631d9ae344c7388334de7b1503792aa20707a3f19271aceb11898d9fe3b2687
SSDEEP

384:PsjPGY2HXgrk8YhQ98E8I1XAV/QcaYpATUgch1A9NB/erxRXkoA:PePG5H8+hKD8ISZQjkgs1lxRjA

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe

Executes dropped EXE 1 IoCs

pid	Process
3472	winupdate.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	aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3472	4396	aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe	83
PID 4396 wrote to memory of 3472	4396	aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe	83
PID 4396 wrote to memory of 3472	4396	aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe	83

C:\Users\Admin\AppData\Local\Temp\aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe
"C:\Users\Admin\AppData\Local\Temp\aff51afe2ea097d78ac708ccbff1e1fe1fbc1b8f6b0df3eb8623ce8e5f8397c3N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Users\Admin\AppData\Local\Temp\winupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\winupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3472

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\winupdate.exe

Filesize
59KB

MD5
ebee4e7c90c858c55dbe73a9c3c07fff

SHA1
85edbaf2241568bae4896d8ab7012bb03b20098b

SHA256
efcc2d51d03db38e13583464c3434ae0a4fa3001fa78487fbd61e2668d4cf1b8

SHA512
fa6481aa5263eee237d4db9d203997a6d25aa2fa853bfd25f26669c5e99276ff63f7533e29ed5be37faa456f2bfed825eb2083ed188e7e88575b3f1d2ef24f76

Download Submit
memory/3472-11-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/4396-0-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/4396-1-0x0000000000501000-0x0000000000502000-memory.dmp

Filesize
4KB

Download
memory/4396-10-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download