8e353666db876603b0665a665519e55f668e52b3d4e055f20c4ae6c3b183400c

Analysis

max time kernel
140s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 02:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe
Size

36KB
MD5

9c5cf178de768d32f258229df7ba1d34
SHA1

9d3f04fc663be772711089541f35b402385e358c
SHA256

8e353666db876603b0665a665519e55f668e52b3d4e055f20c4ae6c3b183400c
SHA512

1c50d86e4001f62b9b7cf370d280828f33602bab03c2d91b34d2811f33ff4463f1b34acfc7193a017f23d28e8b12b6f59f751572a1a5d38b9d99f06a919287a8
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITD:qDdFJy3QMOtEvwDpjjWMl7TD

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2156	2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012117-11.dat	upx
behavioral1/memory/2156-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1168-26-0x0000000000500000-0x0000000000510000-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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1168	2156	2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe	30
PID 2156 wrote to memory of 1168	2156	2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe	30
PID 2156 wrote to memory of 1168	2156	2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe	30
PID 2156 wrote to memory of 1168	2156	2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_9c5cf178de768d32f258229df7ba1d34_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- 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:1168

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
36KB

MD5
c4a72cadf55c155631db173ae0bec1a6

SHA1
d72595776964532b6653b6a7533b41c42a0b9e2f

SHA256
b6b6c36f6517f8a471864822f9ac71ca3f8614d411870f033415abbbaeefc6a3

SHA512
7041c6c53263d6c874cd158e1d1f3f9fc28d96b974e7c18b802ce064c0571cf1810f88bdb788b307c69857ee82e7a80f74d287f630627453caef7d17a9f7d92b

Download Submit
memory/1168-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1168-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2156-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2156-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2156-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2156-3-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2156-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download