93e12b630c6627dc7ba9c013c71a2cd907eaba34876e89c7c3a67b524a9d6675

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 03:18

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General

Target

2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_cryptolocker.exe
Size

40KB
MD5

dabe289260f057e2a4a5d4d4c475fe56
SHA1

91b64611e553906905623085aeff07b36bb2a56d
SHA256

93e12b630c6627dc7ba9c013c71a2cd907eaba34876e89c7c3a67b524a9d6675
SHA512

d1d36eeeb6b209cd273788350ac1e7b9ffa0dffe0e5b64de6e59e9808299160130a6612abf37720b440ac8720277067847a983851a3704f30093c61313c4125d
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYn:qDdFJy3QMOtEvwDpjjWMl7Te

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3616	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2672-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x00090000000233f0-13.dat	upx
behavioral2/memory/2672-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3616-27-0x0000000000500000-0x0000000000510000-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	2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_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 2672 wrote to memory of 3616	2672	2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_cryptolocker.exe	84
PID 2672 wrote to memory of 3616	2672	2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_cryptolocker.exe	84
PID 2672 wrote to memory of 3616	2672	2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_dabe289260f057e2a4a5d4d4c475fe56_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- 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:3616

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

Replay Monitor

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Downloads

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

Filesize
40KB

MD5
89166ee78273134609842481d2ab283f

SHA1
1c3301621290a56d1af456ed54d022bf6be966a6

SHA256
a73c419c1d8226d3530ef557edebeb8904e8f18e97a73dbed828684933640211

SHA512
8469499ec449bc8ab5287210daa93a085c7861918834cae635e94d39171cb6bd2e62bc629c9a3af67e873a49fe0cfacf5a54da14348d2f8188e1b60beb67ddd1

Download Submit
memory/2672-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2672-1-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2672-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2672-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2672-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3616-20-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3616-21-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3616-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download