82d8c993b1c2fe88368c6370dde458fd21fe9f39558d31bd7d376630306f4fc3

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 14:00

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General

Target

2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe
Size

46KB
MD5

a76eb6ace0f085373479a7510e1c463c
SHA1

ba5809d6c19866579888b23a16869312660e9d45
SHA256

82d8c993b1c2fe88368c6370dde458fd21fe9f39558d31bd7d376630306f4fc3
SHA512

8399f00b92259dbb3681ffe47f4848c2f369d8358cb43d3c0c3950781d059ff5eb93b8c6e20ec11bd15754cf06b221bbea3b378b0ee1299b7832364623061b9f
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJl2:6j+1NMOtEvwDpjrRraJI

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
60	misid.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	2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 60	4120	2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe	87
PID 4120 wrote to memory of 60	4120	2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe	87
PID 4120 wrote to memory of 60	4120	2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:60

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
47KB

MD5
f2bd7ec5e374246779c94e403e79d89b

SHA1
9f28ffe12d5596c4beb27c307bbc06dcd4b0fe80

SHA256
b70f8934a7c022d174cff10ca3902603c642f3b084e1c21adf37d7d6a42df9c7

SHA512
8bab47a4d915f7a357490b4bc29c33ec25a55bc1120bc00b89d4bc21049ced8487bfc710ada40a0b790c27af75084dc98f3cec00faf772c5bb293206edc231d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/60-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/60-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/60-48-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4120-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4120-1-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4120-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4120-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4120-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download