38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 13:27

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General

Target

38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe
Size

24KB
MD5

67c1d7464ec33be30dfd858f4c8b8000
SHA1

f5fbdf5071729da569626b2e10fec08b49e3c189
SHA256

38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329
SHA512

cd090e4ba6169b4784d61409533a7d87f2f7370d56257fc6ba01594abcb50bf660fdd95f1366b5d0fbdb8290c42cf597bd9a5ec0d07591b28fdef502c9723a3c
SSDEEP

768:RsWDqjHXRrs9sINeZEtejlIkoLN127BFVn2p4lAnZ8Oqt+6d8:BDqjXRrs9sINeZEtejlIkoLN127BFVns

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe

Executes dropped EXE 1 IoCs

pid	Process
4876	opera_updater.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	38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	opera_updater.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 4876	2652	38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe	84
PID 2652 wrote to memory of 4876	2652	38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe	84
PID 2652 wrote to memory of 4876	2652	38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe	84

C:\Users\Admin\AppData\Local\Temp\38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe
"C:\Users\Admin\AppData\Local\Temp\38d3693a99b37f38a0c104050080fc3f7f0f68c82860fbfa99ed111d832f4329N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Users\Admin\AppData\Local\Temp\opera_updater.exe
  "C:\Users\Admin\AppData\Local\Temp\opera_updater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4876

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\opera_updater.exe

Filesize
24KB

MD5
0b99b9b52f4eb833afb6d03ee5eed002

SHA1
9f01c19c29fe358fb9ad1917c50e9584609c2169

SHA256
a25f0ae711800a133b761558017bab25f383c7a639f509965202d9f6df787cdb

SHA512
9b1db1ea7ee4a472c84d3646896446773fd453a789ab12d7107c9c1a55512eb63c639eab06d0760b2d46a65b2d5c0c4934e9d3c233c20c0e6a40d0ef5bfd6b15

Download Submit
memory/2652-0-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/4876-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download