2384043b77986394abbf714dd38a0cc615546b675ddf17256b11bac43b12f887

Analysis

max time kernel
95s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 09:44

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General

Target

2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe
Size

39KB
MD5

c90adb4b5becefae6d3128f43447c5ed
SHA1

c127d9be22307b9c3093d42ad64e2260601eaa92
SHA256

2384043b77986394abbf714dd38a0cc615546b675ddf17256b11bac43b12f887
SHA512

5ca417c961a743908b72d62aed4efebe576e398bb9592592069a494af64ed041d9b01b65e093dc7e9f4c94f5c37d5f1a58c4c00649a7d0de1bb99cf611a1aaf2
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGp/YIm7wm0Upaw:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xs

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	2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	hurok.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	hurok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2656	1660	2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe	84
PID 1660 wrote to memory of 2656	1660	2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe	84
PID 1660 wrote to memory of 2656	1660	2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_c90adb4b5becefae6d3128f43447c5ed_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2656

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\hurok.exe

Filesize
39KB

MD5
41f575b21f13209d7a8cd5aba0fad5d0

SHA1
68bfcd69c20f176c32e13e59e254d3a31c983913

SHA256
df838fe8afbcc4925cab5bf7c77a7cd3d7838de34958f3617f6215e7c2b04816

SHA512
0180e5306472863a18da62497e8ac265a8599934dcc967b2c02f086f8ebc44543a5559fef5d148fc4d948660d2b961313308afb4933aec5d401c1ba7d219bf7c

Download Submit
memory/1660-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/1660-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/1660-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2656-19-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download