3e2397413325f6129609fd218cd032909e5e2caa79533fc62e9805abc660a3b7

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-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

Executes dropped EXE 1 IoCs

pid	Process
2432	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2336	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2432	2336	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe	28
PID 2336 wrote to memory of 2432	2336	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe	28
PID 2336 wrote to memory of 2432	2336	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe	28
PID 2336 wrote to memory of 2432	2336	NEAS.2023-09-06_4b49507bbdf9775141d4e6209e60d13a_cryptolocker_JC.exe	28

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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
41KB

MD5
8742859b7f256bfd3abfb67a54a6a450

SHA1
24f3254f3b28638eb1ca436ba5e5a4ebf4bb2dbd

SHA256
203d4bde0e5907a7d8036853680ae2f7115821fd5e01ad1bc7acee8a980c9864

SHA512
2b5f1febcba7fdc4deee9eb0e406ef6142eac8ceb709fb0fd31ae2c0613fbbaa7ba55aca23083aade9361e0155f20df66ba01f4b7b40e8d44f5ae3c8be1de1c0

Download Submit
memory/2336-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2336-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2336-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2336-3-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2336-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2432-18-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2432-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2432-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download