df04e4724e0273b57287a8b27acc3d756040610a851e617c541d9269824172e4

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 19:39

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General

Target

2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe
Size

53KB
MD5

d55c37130f8fa81be29d19a50c6eba04
SHA1

d1fb8dc5aa075ca19d335ff53082229f4a6ca3bd
SHA256

df04e4724e0273b57287a8b27acc3d756040610a851e617c541d9269824172e4
SHA512

9781ba1e4a62ef4bbe896f6597287c5b50dceaa651024a8e0c239c064e6dc06f1107c904a91ee9f5ff1f598da095d911b78873ffb09ca25f170f371170504726
SSDEEP

768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOogBg:zj+soPSMOtEvwDpj4ymg

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2072	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2328	2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2328-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000012255-11.dat	upx
behavioral1/memory/2328-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2072-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2072-25-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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	misid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2072	2328	2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe	29
PID 2328 wrote to memory of 2072	2328	2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe	29
PID 2328 wrote to memory of 2072	2328	2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe	29
PID 2328 wrote to memory of 2072	2328	2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_d55c37130f8fa81be29d19a50c6eba04_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2072

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

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Downloads

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

Filesize
53KB

MD5
6d96ded39632df1d23279c9e55736430

SHA1
086fc49507e05898626485e116e9922cc931216f

SHA256
167af49871b2c77e03b8b7cee6bdc43c107fe84c3d7f22f90307d7723efb3ef4

SHA512
95ab8426ad8c7607f30cc3ea46a733a748255ae83f4ded94d5a6a834da76a08ed5d517aa4b827c321f6870701e38f181750fe700408e2cbf0b29c6c2db19dc8a

Download Submit
memory/2072-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2072-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2328-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2328-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2328-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2328-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2328-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download