d1acfdade9a07a3d715163aeca7307a49a35f42d34d2ef7f4d9f8c38e65daa86

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-08-2024 06:49

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General

Target

2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe
Size

55KB
MD5

93d4ed439e2a6cec410439dfe28c942c
SHA1

15789f3bd36081910145fd19d6c9a516c65bc1b0
SHA256

d1acfdade9a07a3d715163aeca7307a49a35f42d34d2ef7f4d9f8c38e65daa86
SHA512

2c6e195455c5bacfa2bcb3a638ea307e0e0a5252d68bb6ae5b5aea35dc50cf2364ebcc72fb70dd522c6ed4978e4b9e4bb9e69f8fcb045b0ab6f88f0979ad8546
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6Exg:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7P

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2836	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
3044	2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.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	2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3044	2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe
2836	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2836	3044	2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe	30
PID 3044 wrote to memory of 2836	3044	2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe	30
PID 3044 wrote to memory of 2836	3044	2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe	30
PID 3044 wrote to memory of 2836	3044	2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_93d4ed439e2a6cec410439dfe28c942c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

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

Filesize
55KB

MD5
b5062f48f27e3aa93873daf99f15ae7a

SHA1
d39af5dc5d28173cfb56d8d6d6286ae5446014cf

SHA256
4c48f55a1ad70f98daea7c32b65de42c14d5f91f9c906b13d4ebfe46307d71e8

SHA512
5c2b8348d7920c115e5a8ac8474e4d6567fe233f6396368b91cd311f53edac4825f3220c78a6b4f2e059b97c378dc3a1f1e87292ac57006ad61ba662ff4f07d4

Download Submit
memory/2836-16-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/3044-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3044-0-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3044-8-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download