fdefe3f5f8ceb7f3013f7b3317550efc7be22140b491b3c4dc8f57155d9d50f7

Analysis

max time kernel
95s
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
05-09-2024 12:12

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General

Target

2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe
Size

50KB
MD5

a1744115b9f52280899cc0d5aa6b9904
SHA1

8aa40a9c996873f970dddff7358ccd6bcdc6a0a5
SHA256

fdefe3f5f8ceb7f3013f7b3317550efc7be22140b491b3c4dc8f57155d9d50f7
SHA512

2ab6cb37ccf12797d15f316dd045d32148437b75cdf8b43e2e41b26afc7d836777d40440a01e59531303fb5015b1dc4ad4747e1d3cace7c1c2aa9452c51f5c0f
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nv:vj+jsMQMOtEvwDpj5HczerLO04Bc

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
892	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	2024-09-05_a1744115b9f52280899cc0d5aa6b9904_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 3200 wrote to memory of 892	3200	2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe	84
PID 3200 wrote to memory of 892	3200	2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe	84
PID 3200 wrote to memory of 892	3200	2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3200
- 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:892

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
50KB

MD5
02ccf23763c8e5a329d74234ff851e19

SHA1
348c192c3b9ecb9f8a33240399e0b97ff4e7eead

SHA256
643d3a2e6073d6c091e2aac4f620606c0bb21ac786cd4e065657d58fc597d5aa

SHA512
d57e16b2f8329b75681a1debd88b297743ec935913d29ea0831902b55780a26098be17164b32dd893367d96d67a325e39da9854e63960b615a2f28c03493ed7f

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/892-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/892-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3200-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3200-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3200-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download