27c41cce850361b90549044764e4a6438d853cafb64b47babaf8f8df27c9a8ce

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15/08/2023, 16:54

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General

Target

fa17667ac8c67a8b3856839ecc37689d_cryptolocker_JC.exe
Size

30KB
MD5

fa17667ac8c67a8b3856839ecc37689d
SHA1

a39f8d6479e326995bdc447ec8bddd862075d6e7
SHA256

27c41cce850361b90549044764e4a6438d853cafb64b47babaf8f8df27c9a8ce
SHA512

a2bc8dd94213c403c4809ecb1c85fe66d4dd6e5d7ce614c7d2da3044749c119e3e8aef683ad3513b88ac86002295b488919f915a8b6398592e9d9f8cec880ce5
SSDEEP

768:q0ZziOWwULueOSdE8tOOtEvwDpjej4AY3xKvX:q0zizzOSxMOtEvwDpjC3IMvX

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4696	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 4696	4432	fa17667ac8c67a8b3856839ecc37689d_cryptolocker_JC.exe	82
PID 4432 wrote to memory of 4696	4432	fa17667ac8c67a8b3856839ecc37689d_cryptolocker_JC.exe	82
PID 4432 wrote to memory of 4696	4432	fa17667ac8c67a8b3856839ecc37689d_cryptolocker_JC.exe	82

C:\Users\Admin\AppData\Local\Temp\fa17667ac8c67a8b3856839ecc37689d_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fa17667ac8c67a8b3856839ecc37689d_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
31KB

MD5
f51de8e8eab49795e2192d70bfe8849a

SHA1
256589dc7a29f813a503ec1ea7df2e651bac5ec8

SHA256
5ce58de8bacc0af392208ac334d82e0c61ec8f78316c5c46574f433988807920

SHA512
76f465db596d78dd75a8ce55e540c00fd78cd4f5b0374a5e8c0f501e92ffa966e44fd00f4ee9affc461251da277cb4ba9549a996fbd29dc8c2f542310568380b

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

Filesize
31KB

MD5
f51de8e8eab49795e2192d70bfe8849a

SHA1
256589dc7a29f813a503ec1ea7df2e651bac5ec8

SHA256
5ce58de8bacc0af392208ac334d82e0c61ec8f78316c5c46574f433988807920

SHA512
76f465db596d78dd75a8ce55e540c00fd78cd4f5b0374a5e8c0f501e92ffa966e44fd00f4ee9affc461251da277cb4ba9549a996fbd29dc8c2f542310568380b

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

Filesize
31KB

MD5
f51de8e8eab49795e2192d70bfe8849a

SHA1
256589dc7a29f813a503ec1ea7df2e651bac5ec8

SHA256
5ce58de8bacc0af392208ac334d82e0c61ec8f78316c5c46574f433988807920

SHA512
76f465db596d78dd75a8ce55e540c00fd78cd4f5b0374a5e8c0f501e92ffa966e44fd00f4ee9affc461251da277cb4ba9549a996fbd29dc8c2f542310568380b

Download Submit
memory/4432-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4432-134-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4432-135-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4432-136-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/4432-150-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4696-152-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4696-153-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4696-159-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download