84400b0604fd2c54455079e151892f210159620895b709521c3f53576ee60821

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 03:30

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General

Target

2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe
Size

57KB
MD5

66b1ce89e343b785e9747a1b6f5e26ad
SHA1

46eaaf9705ce251688e921566ad2fe9255b51c9c
SHA256

84400b0604fd2c54455079e151892f210159620895b709521c3f53576ee60821
SHA512

87e70ec796cae6e922db538cf017d460277f399ca559ebdeadea674af2a007e2c667a195168e6f432c9c84e9c538a7ae1d76a2e64add904d2c804e6d78324057
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6EcY:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7G

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2536	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1304	2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_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	2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1304	2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe
2536	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 2536	1304	2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe	30
PID 1304 wrote to memory of 2536	1304	2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe	30
PID 1304 wrote to memory of 2536	1304	2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe	30
PID 1304 wrote to memory of 2536	1304	2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_66b1ce89e343b785e9747a1b6f5e26ad_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1304
- 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:2536

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

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

Filesize
57KB

MD5
ebb25d8c8a0f15afb7b500e23eb3c2a0

SHA1
a26b0cfdb1b68b4ce127d0890331cc6ccfeb5b13

SHA256
4fb68f00e6d5521222147c6549de4cf37cbc65ab8d00199943edb5f5ca4492c3

SHA512
a90df81b6af99a613b595f4423ce5d54c0018e3e28d86001dbc0f890810663aaf5858e9b20852ef5a595b8141d4303421a28b2a0b704deb675063bb34ebf2fd2

Download Submit
memory/1304-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1304-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1304-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2536-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download