6c139463c6babdd32ff67f6ab23e1f24948c3098d0a9585af1d1c508c8760a39

Analysis

max time kernel
92s
max time network
123s
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 16:35

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General

Target

2024-09-05_7778148f4ddf5fd8f884da44461b4035_cryptolocker.exe
Size

63KB
MD5

7778148f4ddf5fd8f884da44461b4035
SHA1

1c611be29ca577ae9e828970fbb8bfebbc3f1d3c
SHA256

6c139463c6babdd32ff67f6ab23e1f24948c3098d0a9585af1d1c508c8760a39
SHA512

2dfc98d210678cd8564a4829a0fc8cedfb69f562e16717dc160879e60d63b32853b5889805a7734e93464e02f3ca0d86fdb40f13d47c90cbe1167cfd300845e9
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36ucNa:ZVxkGOtEvwDpjcaf

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_7778148f4ddf5fd8f884da44461b4035_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
4688	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_7778148f4ddf5fd8f884da44461b4035_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 4744 wrote to memory of 4688	4744	2024-09-05_7778148f4ddf5fd8f884da44461b4035_cryptolocker.exe	85
PID 4744 wrote to memory of 4688	4744	2024-09-05_7778148f4ddf5fd8f884da44461b4035_cryptolocker.exe	85
PID 4744 wrote to memory of 4688	4744	2024-09-05_7778148f4ddf5fd8f884da44461b4035_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-05_7778148f4ddf5fd8f884da44461b4035_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_7778148f4ddf5fd8f884da44461b4035_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744
- 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:4688

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
63KB

MD5
dc73a5ef0ccea438ce7ace2c74201c7e

SHA1
765b5c7a42252bb19b61971d392d739a87d4e697

SHA256
bed6a1bb1262b3667b5ef09aa9115507507901ecc0b6f98b133795cdd970479b

SHA512
84efba76022b6fbd4044ed1fc26b34bd36bf38d796a2c9f91387b350a00116b1173b06e8dc400e8e184cdd61fe3885c3a86ef7d5e986b3d4e6c062369b20e601

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/4688-19-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4688-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4744-0-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/4744-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4744-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4744-3-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4744-17-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download