e80c748fc51e5bdfd16a80808d2440a3a952d5915392a641ac1555f50dca1885

Analysis

max time kernel
141s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 15:24

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General

Target

2024-07-22_b2085fb78bd52712e084f95b33b103b1_cryptolocker.exe
Size

68KB
MD5

b2085fb78bd52712e084f95b33b103b1
SHA1

f6488bc1c631fc730d7924192087ccf7cf2154a4
SHA256

e80c748fc51e5bdfd16a80808d2440a3a952d5915392a641ac1555f50dca1885
SHA512

aff503f418f3b4b3ad554fce97d07d8cc8477338ef6b4e63629237119478c816557fe688b941c150ae4e5a11845947c9d66402be01e9b6a0ef473e84f2fa6735
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLER:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7J

Score

7^/10

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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	2024-07-22_b2085fb78bd52712e084f95b33b103b1_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
4780	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 3692 wrote to memory of 4780	3692	2024-07-22_b2085fb78bd52712e084f95b33b103b1_cryptolocker.exe	85
PID 3692 wrote to memory of 4780	3692	2024-07-22_b2085fb78bd52712e084f95b33b103b1_cryptolocker.exe	85
PID 3692 wrote to memory of 4780	3692	2024-07-22_b2085fb78bd52712e084f95b33b103b1_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-07-22_b2085fb78bd52712e084f95b33b103b1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-22_b2085fb78bd52712e084f95b33b103b1_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:4780

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
68KB

MD5
7bd699585892ac10e42c384ea0955a12

SHA1
54c577bc9b2247661e0e1eb7f005882052ebf50f

SHA256
d44bb4e49ee0020c40812c4ef8776ea0cced67d0890dab3ef1dc733b5c0134cc

SHA512
aecc9f693e1acb657448cdc9d17afcd594b3b16d8c2d3ea7cbaf8db00067abc092f14dcf2b43dfc5fe8d1749afaa03b29b4216998eb5bbabc174fdad1ae9eb34

Download Submit
memory/3692-0-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3692-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3692-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4780-25-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download