382e52f61bc87afde7dcc5f2ad9c7b9bd45b7a162ac73e29da0a66ecaa934019

Analysis

max time kernel
141s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 02:47

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General

Target

2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe
Size

40KB
MD5

eadcd8e91e320e84e025c0796fd2773a
SHA1

163e142ac8abd331b9550654961d1c0c100d1c62
SHA256

382e52f61bc87afde7dcc5f2ad9c7b9bd45b7a162ac73e29da0a66ecaa934019
SHA512

c91bca143981f2761be1a5739a5a1a1ac5f79a18bbd62dea9b377c2977627b94d1dc5017dc8d0182c9404ccbe0ad74aa45d195a8974a6a32600a5ca5707302f2
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3Dy:qUmnpomddpMOtEvwDpjjaYaQO

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2288	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2124-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012117-16.dat	upx
behavioral1/memory/2124-15-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2288-26-0x0000000000500000-0x000000000050F000-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	2024-10-13_eadcd8e91e320e84e025c0796fd2773a_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 2124 wrote to memory of 2288	2124	2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe	28
PID 2124 wrote to memory of 2288	2124	2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe	28
PID 2124 wrote to memory of 2288	2124	2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe	28
PID 2124 wrote to memory of 2288	2124	2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_eadcd8e91e320e84e025c0796fd2773a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- 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:2288

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\asih.exe

Filesize
40KB

MD5
e3116390e33229ff37e8e2e820b4f492

SHA1
582fccf496f64f55645171ee6fc6fcb6d4182470

SHA256
222912081ed21b27eed222e2c0f51d2092b4af8ef67676bd0105d0f7f4f787dd

SHA512
0389288d917884937e939eebfdd0efb048e52dc03f73247a5b1c9063c644031002e77d32d7cd71240bd48a3ea074bace920fb480380dcfdf2c558075f824a01a

Download Submit
memory/2124-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2124-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2124-9-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2124-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2124-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2288-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2288-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2288-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download