b1d2c5427f744eab4820a4efd452085c2802ae73d8034c8897ef930bd7c4b210

Analysis

max time kernel
160s
max time network
177s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
05-08-2023 13:54

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General

Target

744f5f3f36db859c9d31a3b3ded73a88_cryptolocker_JC.exe
Size

85KB
MD5

744f5f3f36db859c9d31a3b3ded73a88
SHA1

fabb488babf9fc54efedf1287beb4a9856e36e31
SHA256

b1d2c5427f744eab4820a4efd452085c2802ae73d8034c8897ef930bd7c4b210
SHA512

5d5e46309ae82688c457c886043e2fd3dbba8bdc362ecaf5530ae394d9428fb4fbf611e3db9617d0264e54ef056e8580238a902b957fb67f89d91e1acc81e5e5
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbNcqamvWg:V6a+pOtEvwDpjtt

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2984	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2528	744f5f3f36db859c9d31a3b3ded73a88_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 2528 wrote to memory of 2984	2528	744f5f3f36db859c9d31a3b3ded73a88_cryptolocker_JC.exe	29
PID 2528 wrote to memory of 2984	2528	744f5f3f36db859c9d31a3b3ded73a88_cryptolocker_JC.exe	29
PID 2528 wrote to memory of 2984	2528	744f5f3f36db859c9d31a3b3ded73a88_cryptolocker_JC.exe	29
PID 2528 wrote to memory of 2984	2528	744f5f3f36db859c9d31a3b3ded73a88_cryptolocker_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\744f5f3f36db859c9d31a3b3ded73a88_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\744f5f3f36db859c9d31a3b3ded73a88_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2984

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
85KB

MD5
ac225874c9bdc5102fd175b041236189

SHA1
1686e6750ebf360fdad53a78b23a93008ae92b7b

SHA256
3f0bcccc4416f610475f87030457300a795b40ec411fe6c1897fae0d9b1c72f6

SHA512
eb564f5dce1bfb1c7f62657d361773e123dc1427d7bdc9104ded1749293489f0d848f0d825dc44d245c66c1c7099f1a4252d556447cc23ce26d955bafed5c8be

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

Filesize
85KB

MD5
ac225874c9bdc5102fd175b041236189

SHA1
1686e6750ebf360fdad53a78b23a93008ae92b7b

SHA256
3f0bcccc4416f610475f87030457300a795b40ec411fe6c1897fae0d9b1c72f6

SHA512
eb564f5dce1bfb1c7f62657d361773e123dc1427d7bdc9104ded1749293489f0d848f0d825dc44d245c66c1c7099f1a4252d556447cc23ce26d955bafed5c8be

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

Filesize
85KB

MD5
ac225874c9bdc5102fd175b041236189

SHA1
1686e6750ebf360fdad53a78b23a93008ae92b7b

SHA256
3f0bcccc4416f610475f87030457300a795b40ec411fe6c1897fae0d9b1c72f6

SHA512
eb564f5dce1bfb1c7f62657d361773e123dc1427d7bdc9104ded1749293489f0d848f0d825dc44d245c66c1c7099f1a4252d556447cc23ce26d955bafed5c8be

Download Submit
memory/2528-54-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2528-56-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2528-55-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2984-70-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2984-69-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download