225ec44d5b4c315a35ca103c42359e6bf4764ff44c0105cb1da4f9e8feabfec7

Analysis

max time kernel
148s
max time network
154s
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 12:19

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General

Target

2024-09-05_faa72d2418e8f49dee3eec3b3ce99727_cryptolocker.exe
Size

48KB
MD5

faa72d2418e8f49dee3eec3b3ce99727
SHA1

31743b4ddde16cdfc607ab80455da9bd3f4a118c
SHA256

225ec44d5b4c315a35ca103c42359e6bf4764ff44c0105cb1da4f9e8feabfec7
SHA512

9550ab772b59ba08fe369f9d2a67d3e27f24dfa57db74caac11a39e73924719ba271f068285f96e2645fbf0c1e3973756ead91cab6be3e65cfce1b687fc86829
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsm8:xj+VGMOtEvwDpjy+viHsx

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-05_faa72d2418e8f49dee3eec3b3ce99727_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
3764	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_faa72d2418e8f49dee3eec3b3ce99727_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 2600 wrote to memory of 3764	2600	2024-09-05_faa72d2418e8f49dee3eec3b3ce99727_cryptolocker.exe	84
PID 2600 wrote to memory of 3764	2600	2024-09-05_faa72d2418e8f49dee3eec3b3ce99727_cryptolocker.exe	84
PID 2600 wrote to memory of 3764	2600	2024-09-05_faa72d2418e8f49dee3eec3b3ce99727_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-05_faa72d2418e8f49dee3eec3b3ce99727_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_faa72d2418e8f49dee3eec3b3ce99727_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- 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:3764

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\misid.exe

Filesize
48KB

MD5
25d4973b1ff22ac09e7d333b68641269

SHA1
1d1c6aa5dc399ef5e2542e297e7e8a38b2bc4158

SHA256
fa2a0104b83e8df5dee1e5fd51b1ead23765a1c2ef591b559b1d6ae0e04b69cb

SHA512
dff7eba7e34e279e21dd843ab00d60b1019f2a693931b1eac756003f66a6a62e89a2a0ce633f0282d9660918b82031a0205e32ecebcaebb319672ab1f96c7ae6

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/2600-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2600-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2600-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2600-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2600-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3764-19-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3764-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3764-48-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download