3e2397413325f6129609fd218cd032909e5e2caa79533fc62e9805abc660a3b7

Analysis

max time kernel
152s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 20:52

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General

Target

NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe
Size

41KB
MD5

4b49507bbdf9775141d4e6209e60d13a
SHA1

812c52846b4b414b2456949a2c93aefc11ce1241
SHA256

3e2397413325f6129609fd218cd032909e5e2caa79533fc62e9805abc660a3b7
SHA512

d8e3cb6f7d9c04569bf7b9463285435fd1b663059b788aef3877bc8d2f7aad5e2780737efc06d3153b0b86e97720f611bc5dda16751fcb5ff80c3f836ea529b8
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedm+k:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+w

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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
3984	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 3684 wrote to memory of 3984	3684	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe	84
PID 3684 wrote to memory of 3984	3684	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe	84
PID 3684 wrote to memory of 3984	3684	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe	84

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3984

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
41KB

MD5
8742859b7f256bfd3abfb67a54a6a450

SHA1
24f3254f3b28638eb1ca436ba5e5a4ebf4bb2dbd

SHA256
203d4bde0e5907a7d8036853680ae2f7115821fd5e01ad1bc7acee8a980c9864

SHA512
2b5f1febcba7fdc4deee9eb0e406ef6142eac8ceb709fb0fd31ae2c0613fbbaa7ba55aca23083aade9361e0155f20df66ba01f4b7b40e8d44f5ae3c8be1de1c0

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

Filesize
41KB

MD5
8742859b7f256bfd3abfb67a54a6a450

SHA1
24f3254f3b28638eb1ca436ba5e5a4ebf4bb2dbd

SHA256
203d4bde0e5907a7d8036853680ae2f7115821fd5e01ad1bc7acee8a980c9864

SHA512
2b5f1febcba7fdc4deee9eb0e406ef6142eac8ceb709fb0fd31ae2c0613fbbaa7ba55aca23083aade9361e0155f20df66ba01f4b7b40e8d44f5ae3c8be1de1c0

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

Filesize
41KB

MD5
8742859b7f256bfd3abfb67a54a6a450

SHA1
24f3254f3b28638eb1ca436ba5e5a4ebf4bb2dbd

SHA256
203d4bde0e5907a7d8036853680ae2f7115821fd5e01ad1bc7acee8a980c9864

SHA512
2b5f1febcba7fdc4deee9eb0e406ef6142eac8ceb709fb0fd31ae2c0613fbbaa7ba55aca23083aade9361e0155f20df66ba01f4b7b40e8d44f5ae3c8be1de1c0

Download Submit
memory/3684-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3684-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3684-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3684-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3684-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3984-20-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3984-19-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/3984-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download