88dda930a6252e98d7a74b47b3e4f9517c4de1d36964fc77d7f98d7581948128

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 03:20

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General

Target

2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe
Size

32KB
MD5

ea9f0e08cb4420960de5eca1f5310d51
SHA1

524888d117ca5fc1bf1d527df250929a691e208f
SHA256

88dda930a6252e98d7a74b47b3e4f9517c4de1d36964fc77d7f98d7581948128
SHA512

2e32a42fc12d73e002fc62b47721b35f164b8e5a9b9140c2a66e01a7df35f20962af49b9cfc56c6f184f1f337fa1879fde64ec4a914820bc20abacec501199f5
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5a4:qUmnpomddpMOtEvwDpjjaYa4

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2756	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2920	2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2920-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000b000000012029-11.dat	upx
behavioral1/memory/2756-18-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2920-17-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2756-27-0x0000000000500000-0x000000000050F000-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	2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2756	2920	2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe	28
PID 2920 wrote to memory of 2756	2920	2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe	28
PID 2920 wrote to memory of 2756	2920	2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe	28
PID 2920 wrote to memory of 2756	2920	2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_ea9f0e08cb4420960de5eca1f5310d51_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2756

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\asih.exe

Filesize
32KB

MD5
82164623da3f7cbf6da97c222f56a2e2

SHA1
83d06aa32442f021206ac76148d179ce850e1f87

SHA256
b6980e40d86829329cfcfb45d455e5acf11b31ed13ce0a96154dcb315888bfa2

SHA512
31073cf8476e573cb0986c370e37e75a5090ac3004889b3a80cccd443a87782232db7593decd5e92e8ac29547347994f64795e22a8f85348ce616e6bcab8c864

Download Submit
memory/2756-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2756-20-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2756-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2920-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2920-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2920-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2920-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2920-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2920-14-0x0000000001CC0000-0x0000000001CCF000-memory.dmp

Filesize
60KB

Download