ee0dea5f88e0f2b3c1ced2a34007c8c2b73f78b5f40b3d2e2be4a573221e99d5

Analysis

max time kernel
133s
max time network
142s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 13:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe
Size

55KB
MD5

9a7854d9ca235fd8e7b3e41be294f8b7
SHA1

6bb0d503a4395a1603249053d4ff810652d68b67
SHA256

ee0dea5f88e0f2b3c1ced2a34007c8c2b73f78b5f40b3d2e2be4a573221e99d5
SHA512

87dfcc163ee9370c9f872e2de942c2e7db517f31c4fa4ba745a2c1556fa03184c8bcd79c4b6779db569f9a2b14bd554e07674c893c2c54a08e0b85d49bf832af
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj31ik/9+i:z6a+CdOOtEvwDpj1

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2968	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2428	2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2428-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000c00000001227c-11.dat	upx
behavioral1/memory/2968-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2428-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2968-27-0x0000000000500000-0x0000000000510000-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	2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_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 2428 wrote to memory of 2968	2428	2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe	31
PID 2428 wrote to memory of 2968	2428	2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe	31
PID 2428 wrote to memory of 2968	2428	2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe	31
PID 2428 wrote to memory of 2968	2428	2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-23_9a7854d9ca235fd8e7b3e41be294f8b7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- 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:2968

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

Loading Replay Monitor...

Downloads

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

Filesize
55KB

MD5
408bc3037b8b0788d3135367717e5c00

SHA1
07ce8809f3aaccd3cff5fe12be844246f2bfb1e0

SHA256
3fc10a33f70d0e1b8f02f83e69938bd422f36edb3b07082d77b2c79a4d14ac0d

SHA512
8c268270c547d7ad0f2e31579ad2695c4de0b823041ba5b00086bf393d179184fbdf82b92307e283db320aaae3fe9e44a501884abaf6016f7556c0b443e92007

Download Submit
memory/2428-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2428-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2428-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2428-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2428-14-0x00000000006A0000-0x00000000006B0000-memory.dmp

Filesize
64KB

Download
memory/2968-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2968-26-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2968-19-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2968-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download