7677b3fde28f21c68bd2ee34275ae36b95e8ddd92acae2e3b02321c92a046b4e

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2023, 15:40

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General

Target

2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe
Size

30KB
MD5

3006469331ecd9638d8352d2c3e11275
SHA1

73799d7129b0055fce27981e5d882e883fc32018
SHA256

7677b3fde28f21c68bd2ee34275ae36b95e8ddd92acae2e3b02321c92a046b4e
SHA512

bab1839536972a736ddf1dc33513207decb4390ac2ba0b139e685b3250e40e04a25a83a3818539c7195059dd9e4b15f4b67623c4faed332b93484c377cac014e
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNa:btB9g/WItCSsAGjX7e9Na

Score

7^/10

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-1-5-21-2415528079-3794552930-4264847036-1000\Control Panel\International\Geo\Nation	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1328	gewos.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 1328	392	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe	87
PID 392 wrote to memory of 1328	392	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe	87
PID 392 wrote to memory of 1328	392	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe	87

C:\Users\Admin\AppData\Local\Temp\2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:392
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  PID:1328

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
31KB

MD5
790dc30cb921fc93538a80d5ae55e828

SHA1
b432ddf3f68d6404d16ca1dc9344827ef45f2fe5

SHA256
6b9e2e8c29202f59a084102617292c6d33c23b4346672c34702fbc1ee78950a6

SHA512
57a3562c0cffc6b9aec03b63e7ebb030a759b2b352977d7df59f4448e0de96c022405bca405df09b0096c350006fe56aa66125751c820aa5958e4298e9f29576

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
31KB

MD5
790dc30cb921fc93538a80d5ae55e828

SHA1
b432ddf3f68d6404d16ca1dc9344827ef45f2fe5

SHA256
6b9e2e8c29202f59a084102617292c6d33c23b4346672c34702fbc1ee78950a6

SHA512
57a3562c0cffc6b9aec03b63e7ebb030a759b2b352977d7df59f4448e0de96c022405bca405df09b0096c350006fe56aa66125751c820aa5958e4298e9f29576

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
31KB

MD5
790dc30cb921fc93538a80d5ae55e828

SHA1
b432ddf3f68d6404d16ca1dc9344827ef45f2fe5

SHA256
6b9e2e8c29202f59a084102617292c6d33c23b4346672c34702fbc1ee78950a6

SHA512
57a3562c0cffc6b9aec03b63e7ebb030a759b2b352977d7df59f4448e0de96c022405bca405df09b0096c350006fe56aa66125751c820aa5958e4298e9f29576

Download Submit
memory/392-0-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/392-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/392-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1328-20-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download