88413e5d1f3de8b789b26f1fd9c78c1fd980eaf0e35e860a246f056353e21e53

Analysis

max time kernel
147s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 12:15

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General

Target

2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.exe
Size

58KB
MD5

b6771248b3a61a90000c9b1a10f72fd1
SHA1

9ee60fa164103bd8835ad70249499807a23393ec
SHA256

88413e5d1f3de8b789b26f1fd9c78c1fd980eaf0e35e860a246f056353e21e53
SHA512

bde5b99473bfef11d97f115bc0b462f5a0b85706c1af82c3841210b6070dad171694aceb02425c2a3611c99cf394f17c3eabe347698f110dc27af08dc03ea7c5
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMTr:TCjsIOtEvwDpj5HE/OUHnSMY

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2820	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1140	2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.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 1140 wrote to memory of 2820	1140	2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.exe	18
PID 1140 wrote to memory of 2820	1140	2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.exe	18
PID 1140 wrote to memory of 2820	1140	2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.exe	18
PID 1140 wrote to memory of 2820	1140	2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.exe	18

C:\Users\Admin\AppData\Local\Temp\2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_b6771248b3a61a90000c9b1a10f72fd1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2820

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
58KB

MD5
8cf3b59883e367f42c04e72e78890c75

SHA1
ea94b45e1c6eb81f65443140c01f4ff79aa0ea3e

SHA256
6b423141f84358f230a610cd394422d249729163eabe9e643fb95e21d475d335

SHA512
4cc0ba5750ce5168e0b2f61ebc0d170d8716bfebb4444017ec9273b927d05eb9581b5b1d9721999724198ab08d10e1804e1688174a5b17ca72f52305a14f5ff3

Download Submit
memory/1140-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1140-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1140-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1140-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1140-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2820-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2820-18-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2820-25-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download