4adf59bd2b65b83e47b14894b9649cc7181b77cfa31bb7be716fcc5061d0661a

Analysis

max time kernel
141s
max time network
138s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 01:45

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General

Target

2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe
Size

40KB
MD5

6c1d8b57ab1af116492d84d5ea073c5a
SHA1

014cdf648a6834e5726957377da6e46402dad557
SHA256

4adf59bd2b65b83e47b14894b9649cc7181b77cfa31bb7be716fcc5061d0661a
SHA512

d97e36a08db8b03793f7121e0439118ea72ee912d207e3219e600131af55ea0732aff6c28299390be17a6e03c30bafc18a480b8fa96bba883b7140d02c30e460
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0v:qDdFJy3QMOtEvwDpjjWMl7Tdo

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2552	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2120-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000900000001225f-11.dat	upx
behavioral1/memory/2552-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2120-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2552-27-0x0000000000500000-0x0000000000510000-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	2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_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 2120 wrote to memory of 2552	2120	2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe	30
PID 2120 wrote to memory of 2552	2120	2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe	30
PID 2120 wrote to memory of 2552	2120	2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe	30
PID 2120 wrote to memory of 2552	2120	2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_6c1d8b57ab1af116492d84d5ea073c5a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- 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:2552

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
40KB

MD5
64dc342909b187cea57296be2f5cca61

SHA1
4bfb4820b4550580d77e37f0405388a27ee57f92

SHA256
17789c9293a98d00e2da46b7d2a85c780fedf88e0220201d10b48ad9896744a3

SHA512
5e31e043c6c60a0047f9c608174c63d466d79a3254261ef751b970f1b2b1826045209fa54dfee4c789ae2fd46aab84cdefc33e92b7eb7dec2872a6a66dff71a0

Download Submit
memory/2120-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2120-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2120-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2120-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2120-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2120-14-0x0000000002740000-0x0000000002750000-memory.dmp

Filesize
64KB

Download
memory/2552-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2552-20-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2552-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download