0aac909565c31ff049e6020903d1ff0c8022bf456ff51fc1e0390babc8af19bb

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 07:29

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General

Target

2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe
Size

63KB
MD5

df267028a9da3cbcbde6cf357f3d411f
SHA1

cf00971e048c0dc320a26912e4f9930376098797
SHA256

0aac909565c31ff049e6020903d1ff0c8022bf456ff51fc1e0390babc8af19bb
SHA512

efd7e8fb99aab305bc40748fc86e988ab00dcecfcdeb64c12f009fa36dbb17674f590ae2716640619f8f002fc5705f6de5645e55ca6c0f52736d33172932720d
SSDEEP

768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP3qhS:H6QFElP6n+gou9cvMOtEvwDpjCpVXhhS

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2280	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/460-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0008000000023456-13.dat	upx
behavioral2/memory/460-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/2280-26-0x0000000000500000-0x0000000000510000-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	2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 2280	460	2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe	84
PID 460 wrote to memory of 2280	460	2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe	84
PID 460 wrote to memory of 2280	460	2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_df267028a9da3cbcbde6cf357f3d411f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:460
- 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:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

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

Filesize
63KB

MD5
52a160cae8f992a66c363b12d2577f8e

SHA1
1305e1b08283af1f9705aadda1b1d7bb99a1190d

SHA256
adadc7742f6ed1fd3b9d9d7d45e09e8cc6f2cbe6fdded95b3d370cc93713d4f1

SHA512
b45ba3dc0078b3804e939f1c5bcbfa8ac45124f901f5a4766cff85bded8e52ef0138a5b93543ae1a8ce75ec936d5f690395817d7a7cd59736baf4587586aacae

Download Submit
memory/460-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/460-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/460-2-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/460-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/460-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2280-20-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2280-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2280-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download