b71ddc5b9869c264e02be389914f07921a2dabd739637d4e62760db057f59ae1

Analysis

max time kernel
148s
max time network
149s
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, 03:41

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General

Target

2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe
Size

92KB
MD5

cf800e2483f2e034e1acd60b83a7263c
SHA1

3a21e05666dc2d5f18b1669f88e3f7441f1b9705
SHA256

b71ddc5b9869c264e02be389914f07921a2dabd739637d4e62760db057f59ae1
SHA512

6b4c40ecb2e5bd0cecc21ffb8c2091aa9630d1d0090008949ddc50d2bb0bb29363eb5d56b68f4b3ce74cc7bf26af2f90cd75c2c1cc9809c72b610057ae8e0300
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCQ:26a+2OtEvwDpjtzz

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3120	asih.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	2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 3120	516	2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe	89
PID 516 wrote to memory of 3120	516	2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe	89
PID 516 wrote to memory of 3120	516	2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:516
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3120

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3768,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
1⤵
PID:2964

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\asih.exe

Filesize
92KB

MD5
c6422ba310ffa54e448192e6231618a2

SHA1
cc427c4b3f965ba29f46a55d913a2e829bd6c015

SHA256
d9013ee197acf86831556a0620a57d854f4a94c609f147aa7c3685358e9495e1

SHA512
8a53263b2689aff1c51c89c56512c824252127139ef3048de78ff4c0a9f4976dbc4aa315eb7a99e4251370f2c40ab1e0c478936ee29c70c8ce34c4bc74ef16b8

Download Submit
memory/516-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/516-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/516-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3120-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3120-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download