8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 02:09

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General

Target

8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe
Size

36KB
MD5

6312ec8851d212e14c78d8af565aed15
SHA1

3e7bf64c7f252d2a624e99857b5b13fa1d2f8d62
SHA256

8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb
SHA512

256ae574557320d9f6758701ca1e2f051a6ac78ce3dfa509cfd9ff6b2fb0505612c578e380076015601e6755af119145d4bde83a50aa2727c876f4d0497f6609
SSDEEP

384:CU+fyyQ1KS0AC+1l91KldNAcZcrmFCxEF+67D3F4AjnqvF66Zf:cyOE1wlo4crb67DF4A7qI6h

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-113082768-653872390-2867000172-1000\Control Panel\International\Geo\Nation	opera_autoupdater.exe
Key value queried	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Control Panel\International\Geo\Nation	8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe

Executes dropped EXE 1 IoCs

pid	Process
1852	opera_autoupdater.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	8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	opera_autoupdater.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1852	2444	8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe	85
PID 2444 wrote to memory of 1852	2444	8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe	85
PID 2444 wrote to memory of 1852	2444	8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe	85

C:\Users\Admin\AppData\Local\Temp\8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe
"C:\Users\Admin\AppData\Local\Temp\8c96771ab5add7943dc97ce43ac6bbfe92c9b0738c2ade8ca70faf70212b9dfb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\opera_autoupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\opera_autoupdater.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1852

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_autoupdater.exe

Filesize
36KB

MD5
cf06f1a6751bd3f8950b858b3d032e5d

SHA1
be3e674fe60f4237ab77105d5cbbd1ff5034dd1b

SHA256
763ee7463ff98545cedd201f4d7566016eebfc993337427474025485e25715dc

SHA512
bce0c6080554e63bdd6e6778ee75c39b6eef1d24e1963ad741af8c16a1eec46c80264747413c7b213ed3a800a19535307d7b692fbe3fa832b61d4387ea9f553e

Download Submit
memory/1852-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1852-11-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2444-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2444-1-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download