4c9eca88a5d36333b64c2851d603ea31878adb39caa84668818efed4e7779a87

Analysis

max time kernel
151s
max time network
179s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 01:32

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General

Target

2023-08-26_3df684c4bed2ce014837a982a7812925_cryptolocker_JC.exe
Size

35KB
MD5

3df684c4bed2ce014837a982a7812925
SHA1

a83e45b9d7d001415f8497672edfb8cb05e464e7
SHA256

4c9eca88a5d36333b64c2851d603ea31878adb39caa84668818efed4e7779a87
SHA512

5ccab6c7d28a6922228bc8efff56ad7f7ccbfac006adfe5f64951ca609b84e6dc3f5cdac028f2837c0746e899152da3b62e3d2762f088e8c7a1de54a84f6541d
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8kpc0ftW:bgX4zYcgTEu6QOaryfjqDDw3sCOfg

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2756	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1516	2023-08-26_3df684c4bed2ce014837a982a7812925_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 1516 wrote to memory of 2756	1516	2023-08-26_3df684c4bed2ce014837a982a7812925_cryptolocker_JC.exe	28
PID 1516 wrote to memory of 2756	1516	2023-08-26_3df684c4bed2ce014837a982a7812925_cryptolocker_JC.exe	28
PID 1516 wrote to memory of 2756	1516	2023-08-26_3df684c4bed2ce014837a982a7812925_cryptolocker_JC.exe	28
PID 1516 wrote to memory of 2756	1516	2023-08-26_3df684c4bed2ce014837a982a7812925_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\2023-08-26_3df684c4bed2ce014837a982a7812925_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_3df684c4bed2ce014837a982a7812925_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2756

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\hasfj.exe

Filesize
35KB

MD5
4a99956d790b2db7199bc5a5d711c813

SHA1
e3ac9a39119408d939f0d332427020bf3e02b3f3

SHA256
4c79086f28bcd283bc4df9bd49d280b831d533af578719467a0f30fc0d7caae2

SHA512
1c1db9006d8f55960dde9e3bbbfb5a88ae55b8150eb93dcdcc2945cae90e2f2e7a1ba9c3606f04beaf6168eef7fa810d8c93f383afa980916577fbecb6cdb489

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

Filesize
35KB

MD5
4a99956d790b2db7199bc5a5d711c813

SHA1
e3ac9a39119408d939f0d332427020bf3e02b3f3

SHA256
4c79086f28bcd283bc4df9bd49d280b831d533af578719467a0f30fc0d7caae2

SHA512
1c1db9006d8f55960dde9e3bbbfb5a88ae55b8150eb93dcdcc2945cae90e2f2e7a1ba9c3606f04beaf6168eef7fa810d8c93f383afa980916577fbecb6cdb489

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

Filesize
35KB

MD5
4a99956d790b2db7199bc5a5d711c813

SHA1
e3ac9a39119408d939f0d332427020bf3e02b3f3

SHA256
4c79086f28bcd283bc4df9bd49d280b831d533af578719467a0f30fc0d7caae2

SHA512
1c1db9006d8f55960dde9e3bbbfb5a88ae55b8150eb93dcdcc2945cae90e2f2e7a1ba9c3606f04beaf6168eef7fa810d8c93f383afa980916577fbecb6cdb489

Download Submit
memory/1516-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1516-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1516-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2756-16-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2756-15-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download