500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 21:35

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General

Target

500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe
Size

93KB
MD5

2f4f311e0ed9978d1eeb92f78543067c
SHA1

f10ac269d08a254851cfa751a70031f2cd7b2adf
SHA256

500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705
SHA512

2a0acd043ee59345523186bd0f5170b645ead44f76d3ba66480ba5326bbbc2be7cead26d963a0dfe1aa372aa1fd3cfda3b677da28a3108fbcfcdefa45a4f3d5a
SSDEEP

1536:PGYU/W2/HG6QMauSV3ixJHABLrmhH7i9CO+WHg7zRZICrWaGZh7I:PfU/WF6QMauSuiWNi9CO+WARJrWNZ6

Score

7^/10

defense_evasion discovery 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe

Executes dropped EXE 1 IoCs

pid	Process
3568	wuauclt.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\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
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 3 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	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuauclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 3568	1832	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	84
PID 1832 wrote to memory of 3568	1832	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	84
PID 1832 wrote to memory of 3568	1832	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	84
PID 1832 wrote to memory of 4216	1832	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	93
PID 1832 wrote to memory of 4216	1832	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	93
PID 1832 wrote to memory of 4216	1832	500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe	93

C:\Users\Admin\AppData\Local\Temp\500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe
"C:\Users\Admin\AppData\Local\Temp\500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3568
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\500d37e3f8195df23609f5f40a7807b685e55a35aefa1a7c72afc2fecf911705.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4216

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

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:\ProgramData\Update\wuauclt.exe

Filesize
93KB

MD5
f26ebd0b8070dfa741241a6e977e605d

SHA1
a7f9ff61941d0f500a94cc99c2f09d5894aeb568

SHA256
dce2d8f428f2e5f0573d073d60f6d2ee61f67785649f14e0774ebed122f8468e

SHA512
0190e2e4a352bb2d234967eb9b1e07d46bf4a23a3298ca4592f821537e8a93fc3619b73bd1a00ea45e8be36fab429010f8ba036674bb7bf26f4c959b157a22bd

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads