7c3664cdc87da600c109ce9054553b843bd475a5d013215ad366c5126fe8daa5

Analysis

max time kernel
166s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 20:44

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General

Target

2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe
Size

27KB
MD5

e373e62bfd5532ed18a990ecfa4068e5
SHA1

b8a93129b1b8112b645b4e6029b4a9f5a3f60e71
SHA256

7c3664cdc87da600c109ce9054553b843bd475a5d013215ad366c5126fe8daa5
SHA512

1e5d2231fbdf63b1b311406a5f23eb56df1281e9519bf60f538726ce1eb10113f4ec5859fa5c69926926261ff6fa5f0ec9c10e97ab7688b96a466ab1b1b0ef09
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUqI:bA74zYcgT/Ekd0ryfjG

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-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1732	hasfj.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 4476 wrote to memory of 1732	4476	2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe	89
PID 4476 wrote to memory of 1732	4476	2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe	89
PID 4476 wrote to memory of 1732	4476	2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe	89

C:\Users\Admin\AppData\Local\Temp\2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4476
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1732

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\hasfj.exe

Filesize
27KB

MD5
333b3985214a4667d9038a9c3a1d2b6a

SHA1
64977214190d630fbde55625e7b048c44c3a283d

SHA256
01b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a

SHA512
e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66

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

Filesize
27KB

MD5
333b3985214a4667d9038a9c3a1d2b6a

SHA1
64977214190d630fbde55625e7b048c44c3a283d

SHA256
01b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a

SHA512
e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66

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

Filesize
27KB

MD5
333b3985214a4667d9038a9c3a1d2b6a

SHA1
64977214190d630fbde55625e7b048c44c3a283d

SHA256
01b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a

SHA512
e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66

Download Submit
memory/1732-17-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/4476-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/4476-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/4476-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download