cfa7b11c2ed9066939d12ef8f3c0c139a5a8bfe868c20cd4af6e8257538b3d8b

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
15/08/2023, 18:01

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General

Target

ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe
Size

38KB
MD5

ff5fa0a822ee5e11053c126c17b34b09
SHA1

882d4d5d338565e09236d00f5a511c50fd10140b
SHA256

cfa7b11c2ed9066939d12ef8f3c0c139a5a8bfe868c20cd4af6e8257538b3d8b
SHA512

f15bf7027330d92c012ba907e4493e50eceac34ac040699263dc8db1cf2cb8434d9d87735487e40a5dbd15146ccf1d48b96ea66af9c91201d67b109ed9ae4f0d
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQLI3s1BHRVzDw:V6QFElP6n+gMQMOtEvwDpjeJQyszDw

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2352	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	ff5fa0a822ee5e11053c126c17b34b09_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 2520 wrote to memory of 2352	2520	ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe	28
PID 2520 wrote to memory of 2352	2520	ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe	28
PID 2520 wrote to memory of 2352	2520	ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe	28
PID 2520 wrote to memory of 2352	2520	ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2352

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
39KB

MD5
c3d9777c7c5cbcc28ab0b0d722c22306

SHA1
3c753365407e9ab18d3c34d7143560e2a99a990e

SHA256
781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b

SHA512
97750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8

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

Filesize
39KB

MD5
c3d9777c7c5cbcc28ab0b0d722c22306

SHA1
3c753365407e9ab18d3c34d7143560e2a99a990e

SHA256
781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b

SHA512
97750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8

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

Filesize
39KB

MD5
c3d9777c7c5cbcc28ab0b0d722c22306

SHA1
3c753365407e9ab18d3c34d7143560e2a99a990e

SHA256
781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b

SHA512
97750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8

Download Submit
memory/2352-69-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2352-70-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2520-54-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2520-56-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2520-55-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download