b20d55072dd85740f87ae483dda65667fbe91869e65049181686bb6513e5d5a1

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 10:44

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General

Target

2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe
Size

41KB
MD5

03e3c3596b49a7cf091b59557342585b
SHA1

29d54b410b29753bacecb6b932ca9eadae46e5f9
SHA256

b20d55072dd85740f87ae483dda65667fbe91869e65049181686bb6513e5d5a1
SHA512

63a7f7b7bccc7739aa3495ebd3482f6536a566dfdd0989362a98f90dedf360516dddfcd65cfc7fa723172e098948281cb96fc68acceb5d4dd769747320c1303d
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YO8:bgGYcA/53GAA6y37/8

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2928	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	2024-10-18_03e3c3596b49a7cf091b59557342585b_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	hasfj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2928	2124	2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe	30
PID 2124 wrote to memory of 2928	2124	2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe	30
PID 2124 wrote to memory of 2928	2124	2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe	30
PID 2124 wrote to memory of 2928	2124	2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_03e3c3596b49a7cf091b59557342585b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2928

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\hasfj.exe

Filesize
41KB

MD5
aa03d9cc00c458b097af7e815c914e17

SHA1
febccdc612fde5bba95b62a09bad8f571c8721b8

SHA256
dd03a596142c942fe92d6da5c860b695d733125386e86036a981462b64448d02

SHA512
512d83789bdb892448560cdb453e1f56f1c6452e0d07cedeb12edd1476cf7b8f6e5db62dfbb86038faa33e8e3ca528c96f5aea541a87d74b1345a07dc4cb1688

Download Submit
memory/2124-0-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2124-1-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/2124-8-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2928-15-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2928-22-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download