0d32ffb919200d0a0d63e8039df92c2bdc012ba73b144cbb4fab84f24ad1b469

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2023 15:07

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General

Target

2023-08-27_77bea6adc1b461041ead866d65b70b45_cryptolocker_JC.exe
Size

33KB
MD5

77bea6adc1b461041ead866d65b70b45
SHA1

9290a41b463e1b81b3f6083593ea601db08bbf08
SHA256

0d32ffb919200d0a0d63e8039df92c2bdc012ba73b144cbb4fab84f24ad1b469
SHA512

16d4f364599bea855391db5cdaee6dc329ad481363092bc2e61c2f87b02e637bc00404ba0bb2a86c80f07f004c740cef997be7b9e135df6a924f2de15e66951a
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qp:btB9g/WItCSsAGjX7r3BTp

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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	2023-08-27_77bea6adc1b461041ead866d65b70b45_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4176	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 4520 wrote to memory of 4176	4520	2023-08-27_77bea6adc1b461041ead866d65b70b45_cryptolocker_JC.exe	86
PID 4520 wrote to memory of 4176	4520	2023-08-27_77bea6adc1b461041ead866d65b70b45_cryptolocker_JC.exe	86
PID 4520 wrote to memory of 4176	4520	2023-08-27_77bea6adc1b461041ead866d65b70b45_cryptolocker_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\2023-08-27_77bea6adc1b461041ead866d65b70b45_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-27_77bea6adc1b461041ead866d65b70b45_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  PID:4176

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
33KB

MD5
2c511ab975091bd8bedc4a3d7c74355b

SHA1
518756866618937ae3046b7dcc39b5135e8bc1a6

SHA256
a4634d5345e9f66ec3c8a90e09a890cd37abe125061890e60fd66d376b4764d4

SHA512
1b0fb2d53d636ce54bbca946f542e9f9b20ee532332b90c95e717f554c8d3fdc8477c1750dcd812500dbe4dc5be85ed3ae552f47179bf08473e5fcba9d8de752

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

Filesize
33KB

MD5
2c511ab975091bd8bedc4a3d7c74355b

SHA1
518756866618937ae3046b7dcc39b5135e8bc1a6

SHA256
a4634d5345e9f66ec3c8a90e09a890cd37abe125061890e60fd66d376b4764d4

SHA512
1b0fb2d53d636ce54bbca946f542e9f9b20ee532332b90c95e717f554c8d3fdc8477c1750dcd812500dbe4dc5be85ed3ae552f47179bf08473e5fcba9d8de752

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

Filesize
33KB

MD5
2c511ab975091bd8bedc4a3d7c74355b

SHA1
518756866618937ae3046b7dcc39b5135e8bc1a6

SHA256
a4634d5345e9f66ec3c8a90e09a890cd37abe125061890e60fd66d376b4764d4

SHA512
1b0fb2d53d636ce54bbca946f542e9f9b20ee532332b90c95e717f554c8d3fdc8477c1750dcd812500dbe4dc5be85ed3ae552f47179bf08473e5fcba9d8de752

Download Submit
memory/4176-20-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/4520-0-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/4520-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4520-1-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download