90076cac1ed83ace3d151cd701298e8fabbed41b22e8aa83fe25c6f13f557ab4

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2023, 12:18

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General

Target

2023-08-26_30ae9b64ff1ef1922405fb83f3bbd2d7_cryptolocker_JC.exe
Size

88KB
MD5

30ae9b64ff1ef1922405fb83f3bbd2d7
SHA1

916ede32ae11bd8d677032127b9699f3fbbfe88d
SHA256

90076cac1ed83ace3d151cd701298e8fabbed41b22e8aa83fe25c6f13f557ab4
SHA512

5d8eaf3d547033797fb2d8315195a03d4d0f1edade278b9db52c141e51e9e7d58d543de3514190871ff1588736615f058e9d6111e17c6c743b1c1a6a52d9b726
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpx:AnBdOOtEvwDpj6z2

Score

7^/10

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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	2023-08-26_30ae9b64ff1ef1922405fb83f3bbd2d7_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3144-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x000400000001e5c6-13.dat	upx
behavioral2/files/0x000400000001e5c6-15.dat	upx
behavioral2/files/0x000400000001e5c6-16.dat	upx
behavioral2/memory/3144-18-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4152-26-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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 3144 wrote to memory of 4152	3144	2023-08-26_30ae9b64ff1ef1922405fb83f3bbd2d7_cryptolocker_JC.exe	86
PID 3144 wrote to memory of 4152	3144	2023-08-26_30ae9b64ff1ef1922405fb83f3bbd2d7_cryptolocker_JC.exe	86
PID 3144 wrote to memory of 4152	3144	2023-08-26_30ae9b64ff1ef1922405fb83f3bbd2d7_cryptolocker_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\2023-08-26_30ae9b64ff1ef1922405fb83f3bbd2d7_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_30ae9b64ff1ef1922405fb83f3bbd2d7_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4152

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\asih.exe

Filesize
89KB

MD5
8d17449dfa56004b7955bc54aedfce39

SHA1
2ea9708bf3f8ee6240655ec081672488cbd55372

SHA256
1414b65433e837972d7c06cccc7733bedd9775847edb145c7fac757a570efbce

SHA512
c9b6732855f3bcc29c7bd9b4f803f632ce8760765ed6df34b61af4ffff11e190ae49635beb3c2a5bc81b86801d2b88bfe70c08f564399a7eb011aab4d143cc75

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

Filesize
89KB

MD5
8d17449dfa56004b7955bc54aedfce39

SHA1
2ea9708bf3f8ee6240655ec081672488cbd55372

SHA256
1414b65433e837972d7c06cccc7733bedd9775847edb145c7fac757a570efbce

SHA512
c9b6732855f3bcc29c7bd9b4f803f632ce8760765ed6df34b61af4ffff11e190ae49635beb3c2a5bc81b86801d2b88bfe70c08f564399a7eb011aab4d143cc75

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

Filesize
89KB

MD5
8d17449dfa56004b7955bc54aedfce39

SHA1
2ea9708bf3f8ee6240655ec081672488cbd55372

SHA256
1414b65433e837972d7c06cccc7733bedd9775847edb145c7fac757a570efbce

SHA512
c9b6732855f3bcc29c7bd9b4f803f632ce8760765ed6df34b61af4ffff11e190ae49635beb3c2a5bc81b86801d2b88bfe70c08f564399a7eb011aab4d143cc75

Download Submit
memory/3144-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3144-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3144-2-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3144-3-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3144-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4152-19-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/4152-20-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4152-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download