547e2ebeec8c456876cdfe490df94cfec678982ff98ea6b1a48aa99b0d6a5411

Analysis

max time kernel
132s
max time network
145s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
03/08/2023, 16:31

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General

Target

4cec0063b18cf7364cec11ed52fa1eec_cryptolocker_JC.exe
Size

49KB
MD5

4cec0063b18cf7364cec11ed52fa1eec
SHA1

363d4e364bf71cbb4dd121902085dd2cb539a689
SHA256

547e2ebeec8c456876cdfe490df94cfec678982ff98ea6b1a48aa99b0d6a5411
SHA512

c12da2d9d2e54f6aba479d06d8bf463ae06c2eac1ea177f7109b0d8b5d3abd0bebb768a78e65c7cc06a63c0059418870b4720a99320ee269bb7687c3f8264ed7
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxtFl:6j+1NMOtEvwDpjr8oxV

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2628	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2640	4cec0063b18cf7364cec11ed52fa1eec_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 2640 wrote to memory of 2628	2640	4cec0063b18cf7364cec11ed52fa1eec_cryptolocker_JC.exe	28
PID 2640 wrote to memory of 2628	2640	4cec0063b18cf7364cec11ed52fa1eec_cryptolocker_JC.exe	28
PID 2640 wrote to memory of 2628	2640	4cec0063b18cf7364cec11ed52fa1eec_cryptolocker_JC.exe	28
PID 2640 wrote to memory of 2628	2640	4cec0063b18cf7364cec11ed52fa1eec_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\4cec0063b18cf7364cec11ed52fa1eec_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\4cec0063b18cf7364cec11ed52fa1eec_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2628

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\misid.exe

Filesize
49KB

MD5
76b5365bd38f12ccb21eb5728c0582db

SHA1
faec3b7d9614c14abeb619b0558a891a6ae17972

SHA256
44af73c416eb7986e957ef52a89b6d1141690cb965e963bdb395723118a0ef6b

SHA512
4a3f4101744c139eeb667ae0f449fd844626650bbd49eccac0304387628bb64192d20fe0439e1a2499c3dc380121edf7c1335585fcac075440f633a17da04b0c

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

Filesize
49KB

MD5
76b5365bd38f12ccb21eb5728c0582db

SHA1
faec3b7d9614c14abeb619b0558a891a6ae17972

SHA256
44af73c416eb7986e957ef52a89b6d1141690cb965e963bdb395723118a0ef6b

SHA512
4a3f4101744c139eeb667ae0f449fd844626650bbd49eccac0304387628bb64192d20fe0439e1a2499c3dc380121edf7c1335585fcac075440f633a17da04b0c

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

Filesize
49KB

MD5
76b5365bd38f12ccb21eb5728c0582db

SHA1
faec3b7d9614c14abeb619b0558a891a6ae17972

SHA256
44af73c416eb7986e957ef52a89b6d1141690cb965e963bdb395723118a0ef6b

SHA512
4a3f4101744c139eeb667ae0f449fd844626650bbd49eccac0304387628bb64192d20fe0439e1a2499c3dc380121edf7c1335585fcac075440f633a17da04b0c

Download Submit
memory/2628-81-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2628-73-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2628-71-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2628-74-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2640-58-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2640-69-0x0000000002800000-0x000000000280F000-memory.dmp

Filesize
60KB

Download
memory/2640-70-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2640-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2640-56-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2640-55-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download