c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 01:54

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General

Target

c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe
Size

26KB
MD5

69f6036eeee211095f3b91e90d2ec8fb
SHA1

b856bcf7b4c4dc5822192c581526b44dda9efa05
SHA256

c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb
SHA512

9a9a5fbb67091b0cfcbcb2453e554a91bf365cd4f851afd2faad30af7f92b9cfa267c111718d86e7702ead33bf2d774d0fc7071abb488e3eabcc65f2fbed2f36
SSDEEP

384:F3EqGY2HXgrS40Lol5ZLzH4VhvshYpATUgch1A9NB/erxUk8t2GY:F3EqG5H8PuoljH4vEhkgs1lxoY

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	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	c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 1984	224	c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe	82
PID 224 wrote to memory of 1984	224	c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe	82
PID 224 wrote to memory of 1984	224	c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe	82

C:\Users\Admin\AppData\Local\Temp\c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe
"C:\Users\Admin\AppData\Local\Temp\c3d15a76336bdb3d60139b78bab2ef22b0134583c2fcb9d64b514ad770704eeb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:224
- 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:1984

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\winupdate.exe

Filesize
26KB

MD5
d91a9d88099cd741778f82354cdb0fe9

SHA1
eca86c2b051e766c7a3f20516cde77688ca00e4a

SHA256
437b16977ba2b28177a51c2125996f21dcd44cd7abeab3bb135d80eb2f9f3ab1

SHA512
777f3178b2e79fbb74302494fe18a92fbfa781dc1f16243581a4b71f28091de017172b2ad566a3b4a34eb362fea13bcd69a87f2cb25a9afcdfa8eb43705445b3

Download Submit
memory/224-0-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download
memory/224-1-0x000000000050D000-0x000000000050E000-memory.dmp

Filesize
4KB

Download
memory/224-2-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download
memory/1984-12-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download
memory/1984-13-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download