c10d41aff2b2d8c10796dfe450974f537bd9d22eea0a0957734d44804b6759bc

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 17:36

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General

Target

2024-10-09_af32033fc64759679f1e08f2dbe5de01_cryptolocker.exe
Size

66KB
MD5

af32033fc64759679f1e08f2dbe5de01
SHA1

bd7a00f41f77aa0607a8af0f9c5121911cdd6b88
SHA256

c10d41aff2b2d8c10796dfe450974f537bd9d22eea0a0957734d44804b6759bc
SHA512

ef1cf16cf31d74800586afe0f1bcc4536e5c1d94dac35f49c5d8ed95e43f2ca002f626ebfd4ab0d1863c53ea31087e0541cfdbb59c5947c2e3bd0e2b3457eae3
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUX9T:T6a+rdOOtEvwDpjNQ

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-10-09_af32033fc64759679f1e08f2dbe5de01_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2244-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000a000000023bfc-13.dat	upx
behavioral2/memory/2244-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/2364-26-0x0000000000500000-0x0000000000510000-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	2024-10-09_af32033fc64759679f1e08f2dbe5de01_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 2244 wrote to memory of 2364	2244	2024-10-09_af32033fc64759679f1e08f2dbe5de01_cryptolocker.exe	85
PID 2244 wrote to memory of 2364	2244	2024-10-09_af32033fc64759679f1e08f2dbe5de01_cryptolocker.exe	85
PID 2244 wrote to memory of 2364	2244	2024-10-09_af32033fc64759679f1e08f2dbe5de01_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-09_af32033fc64759679f1e08f2dbe5de01_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_af32033fc64759679f1e08f2dbe5de01_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- 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:2364

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
66KB

MD5
f1d10f09c985e4be97e9f1b533bd391a

SHA1
1a3a096077e62e37809510e89e76fb088a8510d3

SHA256
b8b833be01d1daa5ce669fe9f08861d0700f57b533d2572fa753a8c716ca51fd

SHA512
3fb2f6016b23e36d6b4e422514ba126056c13be02c5fb1e7b88f5d2d140f8a83a55a1ce2a571b675cae15c8a164c5b7e51d414c1865a13f1a92ade6562d62b27

Download Submit
memory/2244-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2244-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2244-2-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2244-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2244-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2364-19-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2364-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/2364-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download