f13b04b63a75e3e7406d45ac2ef33f95a6a7a0f607de91d40da8ed0f1d6a5d0a

Analysis

max time kernel
142s
max time network
150s
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, 18:43

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General

Target

00f6e339c1d86e2f8614b3710da7acc3_cryptolocker_JC.exe
Size

39KB
MD5

00f6e339c1d86e2f8614b3710da7acc3
SHA1

692f1e0c1b07e953cb0d180e73190f7dafcf424b
SHA256

f13b04b63a75e3e7406d45ac2ef33f95a6a7a0f607de91d40da8ed0f1d6a5d0a
SHA512

02e850ce93bd35fcaf6968eb70f0206b245f80634e0e8a13051dd5c87c57ab0a7aa8bcbb2e40c6f0cd5411f16d5d4246dabd9692e1ab72e063fda4e9aad4c5f7
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3Kxf:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xa

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1140	hurok.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 1436 wrote to memory of 1140	1436	00f6e339c1d86e2f8614b3710da7acc3_cryptolocker_JC.exe	81
PID 1436 wrote to memory of 1140	1436	00f6e339c1d86e2f8614b3710da7acc3_cryptolocker_JC.exe	81
PID 1436 wrote to memory of 1140	1436	00f6e339c1d86e2f8614b3710da7acc3_cryptolocker_JC.exe	81

C:\Users\Admin\AppData\Local\Temp\00f6e339c1d86e2f8614b3710da7acc3_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\00f6e339c1d86e2f8614b3710da7acc3_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1436
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  PID:1140

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\hurok.exe

Filesize
39KB

MD5
69864652887e7334913487870db33e8e

SHA1
19ef99c746be84695322a6c9638b1d140431a854

SHA256
6cfcf5ac427868c9fb9e52922cf4d31357896eba1bf94905301fe777c53bf273

SHA512
cf2c19136d0a8b51bcad5c90594ea76cc8d972a5316d54ebd2ab7ed4ea9012781e656b9253c2c5949d775bf9376bf81d6b97eea3591d18bd060302fb8af60219

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

Filesize
39KB

MD5
69864652887e7334913487870db33e8e

SHA1
19ef99c746be84695322a6c9638b1d140431a854

SHA256
6cfcf5ac427868c9fb9e52922cf4d31357896eba1bf94905301fe777c53bf273

SHA512
cf2c19136d0a8b51bcad5c90594ea76cc8d972a5316d54ebd2ab7ed4ea9012781e656b9253c2c5949d775bf9376bf81d6b97eea3591d18bd060302fb8af60219

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

Filesize
39KB

MD5
69864652887e7334913487870db33e8e

SHA1
19ef99c746be84695322a6c9638b1d140431a854

SHA256
6cfcf5ac427868c9fb9e52922cf4d31357896eba1bf94905301fe777c53bf273

SHA512
cf2c19136d0a8b51bcad5c90594ea76cc8d972a5316d54ebd2ab7ed4ea9012781e656b9253c2c5949d775bf9376bf81d6b97eea3591d18bd060302fb8af60219

Download Submit
memory/1140-153-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1436-133-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/1436-134-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/1436-135-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download