2b2da9279a2ad94deaa1a97ee349f019e8fd168fdbcb8790a2cd0feaa7c9a6fd

Analysis

max time kernel
149s
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
14/10/2024, 22:27

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General

Target

2024-10-14_bbadbf602fdf9f9100b55b33188a246e_cryptolocker.exe
Size

92KB
MD5

bbadbf602fdf9f9100b55b33188a246e
SHA1

71d8143e8ca1a52b26e53dc0bbc5333138f47591
SHA256

2b2da9279a2ad94deaa1a97ee349f019e8fd168fdbcb8790a2cd0feaa7c9a6fd
SHA512

1d22e317e41322f6ba2bdb861a97013e9aa9c32d5289ed0fbe995413a5b4e1cd8e8de4e09c86632e34c44fb4e0169eac7ee712ca66db8174f8984ec851f9d7c5
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgddU/:AnBdOOtEvwDpj6zu

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-10-14_bbadbf602fdf9f9100b55b33188a246e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4128-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x000c000000023b19-13.dat	upx
behavioral2/memory/4128-18-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/1220-27-0x0000000000500000-0x000000000050F000-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	2024-10-14_bbadbf602fdf9f9100b55b33188a246e_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 4128 wrote to memory of 1220	4128	2024-10-14_bbadbf602fdf9f9100b55b33188a246e_cryptolocker.exe	85
PID 4128 wrote to memory of 1220	4128	2024-10-14_bbadbf602fdf9f9100b55b33188a246e_cryptolocker.exe	85
PID 4128 wrote to memory of 1220	4128	2024-10-14_bbadbf602fdf9f9100b55b33188a246e_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-14_bbadbf602fdf9f9100b55b33188a246e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_bbadbf602fdf9f9100b55b33188a246e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128
- 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:1220

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
93KB

MD5
a1065c43289a39f4bda477a7ca2af6b8

SHA1
9839d5e11c2717dedf60d99f3da29df819a29bd8

SHA256
097bfc1ca9b4a88992c12d9986ff165d7968c6578c28d4edefa88e636583aa16

SHA512
8ee84ca471366f669572effb851bdf58d2dce7252cc13a1f0e42af42d6cf6a0e94df33c009d190953b6beafc3a2c497cdecec4cec024949a14bd1c863b7497fb

Download Submit
memory/1220-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1220-26-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1220-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4128-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4128-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4128-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4128-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4128-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download