591a14542bcda60b216b14d452442c2b5d554be1b8d1f64a274126beb62b024e

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 03:44

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General

Target

2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe
Size

66KB
MD5

e5e0096503a0d8af012a9088b7e0bbe0
SHA1

ddb8a1b24336d9a5d792a073c3f1ccbe487320cd
SHA256

591a14542bcda60b216b14d452442c2b5d554be1b8d1f64a274126beb62b024e
SHA512

2c4f3acb2093d657793432ffd9d362cc876024cd1afbba728ec16cd3e6aad45e895b51edfeaf0e57cfc0752e4f8b8726363a3aea3625d1785302ef12fc1c20dd
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF29984C:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7m

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1364	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_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	hurok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2288	2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe
1364	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1364	2288	2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe	31
PID 2288 wrote to memory of 1364	2288	2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe	31
PID 2288 wrote to memory of 1364	2288	2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe	31
PID 2288 wrote to memory of 1364	2288	2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_e5e0096503a0d8af012a9088b7e0bbe0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2288
- 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:1364

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
66KB

MD5
3599cc054c190a3cdc7ea1aa25cd0608

SHA1
27c3da51b8f1ac0358df2a7d095188a9dee37b48

SHA256
1900cbcc88a496e74d86cd5ca9971532ffb6f9b38288df0fade708b6c4fe3e88

SHA512
219a03788fe3c6db63469269b28212021b5dfa8facb9fe9783a4453f837fefaae5939b2d5e08120aef67bb163b00aec4d65e153a4d53bff5cb33b01c377c4496

Download Submit
memory/1364-16-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2288-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2288-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2288-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download