a9f366e21f8448cfbb7966d60056be7cb8422859d6c009924b80e350d66fc307

Analysis

max time kernel
166s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2023 07:55

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General

Target

NEAS.2023-09-05_e6fb98a779fb2421f6e4acdf8ff9a6f1_cryptolocker_JC.exe
Size

89KB
MD5

e6fb98a779fb2421f6e4acdf8ff9a6f1
SHA1

2dfdfc8c264f24ed166d0f39440fc9846f8ac2da
SHA256

a9f366e21f8448cfbb7966d60056be7cb8422859d6c009924b80e350d66fc307
SHA512

12d3af278db1ef2439f7bf0a55eb35f6975d699657f06688bc71fba64de7a16bb9c92d46a8e5759d70e496f1c72b27e1876f79b20fb320e11565226d53277b65
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbNcqamvWHShl/3S0:V6a+pOtEvwDpjt9

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-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-05_e6fb98a779fb2421f6e4acdf8ff9a6f1_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	asih.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 3792 wrote to memory of 2364	3792	NEAS.2023-09-05_e6fb98a779fb2421f6e4acdf8ff9a6f1_cryptolocker_JC.exe	90
PID 3792 wrote to memory of 2364	3792	NEAS.2023-09-05_e6fb98a779fb2421f6e4acdf8ff9a6f1_cryptolocker_JC.exe	90
PID 3792 wrote to memory of 2364	3792	NEAS.2023-09-05_e6fb98a779fb2421f6e4acdf8ff9a6f1_cryptolocker_JC.exe	90

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-05_e6fb98a779fb2421f6e4acdf8ff9a6f1_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-05_e6fb98a779fb2421f6e4acdf8ff9a6f1_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3792
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  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

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
48a9fe31894105c2e7af3ddcd661a81d

SHA1
ada02ddb5c626f6863a8781bf048a86cf0c0abfe

SHA256
77b4237dcc20a3971641a4571b71a4440ef8a0474ef24d56071432da9d2feb17

SHA512
eb62a82bc474a479d5998a18254b53bb324f6d0958d450415be4fafdb77fdb958ad01b94569f6912782202f0e3ebba768224bddc67497e6ed3d6d698e1adfe8c

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

Filesize
89KB

MD5
48a9fe31894105c2e7af3ddcd661a81d

SHA1
ada02ddb5c626f6863a8781bf048a86cf0c0abfe

SHA256
77b4237dcc20a3971641a4571b71a4440ef8a0474ef24d56071432da9d2feb17

SHA512
eb62a82bc474a479d5998a18254b53bb324f6d0958d450415be4fafdb77fdb958ad01b94569f6912782202f0e3ebba768224bddc67497e6ed3d6d698e1adfe8c

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

Filesize
89KB

MD5
48a9fe31894105c2e7af3ddcd661a81d

SHA1
ada02ddb5c626f6863a8781bf048a86cf0c0abfe

SHA256
77b4237dcc20a3971641a4571b71a4440ef8a0474ef24d56071432da9d2feb17

SHA512
eb62a82bc474a479d5998a18254b53bb324f6d0958d450415be4fafdb77fdb958ad01b94569f6912782202f0e3ebba768224bddc67497e6ed3d6d698e1adfe8c

Download Submit
memory/2364-17-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3792-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3792-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3792-2-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download