e4dd22c1d8e9e2ead358dd4a2547d252d12a000b3719ec88de36a434cc96ad31

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 02:35

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General

Target

2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe
Size

61KB
MD5

6eb477da5e4740efea042bb776e16683
SHA1

36ee71f4b0c4c70b895d70e9b0b144d446c81cf2
SHA256

e4dd22c1d8e9e2ead358dd4a2547d252d12a000b3719ec88de36a434cc96ad31
SHA512

29009b059c84ac64c0d748cfe86bd2bea21994ef3682b170d777ba2dfded118edc1a029fbbc36959ca01a40334229af647ec5fa305550f7d1900515b92695165
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293XUe:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7L

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1652	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2404	2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe

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	2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2404	2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe
1652	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1652	2404	2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe	28
PID 2404 wrote to memory of 1652	2404	2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe	28
PID 2404 wrote to memory of 1652	2404	2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe	28
PID 2404 wrote to memory of 1652	2404	2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_6eb477da5e4740efea042bb776e16683_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2404
- 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:1652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
61KB

MD5
0562b117efd2ad112583eab18131e5fb

SHA1
efde8f2436737c1a87ef26a5043ab8189a4d32d7

SHA256
93e0b73a918dfff9d8e923fe2ed4d78deeb77e941dc7b009c6286eed10d50adb

SHA512
28a75dd965907b045cdf8f89f4f0a3c59e2f8fe5d05bf501fbf1a87e47f20b00e30982ee2d49603e3ae5942ec3216add4d59b84036bab3cd61784b818238b529

Download Submit
memory/1652-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2404-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2404-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2404-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download