90a82474497f4d8e09182d868fce30bb56fe9a7c44727a8ad863ebe030236362

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/05/2024, 05:40

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General

Target

2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe
Size

49KB
MD5

670c23abb528d1f1888097185fd3a884
SHA1

ef0a98e60fd876d88fbca8f5a419a4fe7e7393be
SHA256

90a82474497f4d8e09182d868fce30bb56fe9a7c44727a8ad863ebe030236362
SHA512

b0c2c06a8ae3e8294a37cd4e7f1dbc49c0eaa0332f46f597e8a1b95d9b1a79ce5ba258f69ad531cb0eb7f9f2afcf619b8b98cf00efd5dff18cca04fa13b4be19
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8N:ZVxkGOtEvwDpjcJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015ccd-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2476	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	2024-05-02_670c23abb528d1f1888097185fd3a884_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 2368 wrote to memory of 2476	2368	2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe	28
PID 2368 wrote to memory of 2476	2368	2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe	28
PID 2368 wrote to memory of 2476	2368	2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe	28
PID 2368 wrote to memory of 2476	2368	2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2476

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

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

Filesize
50KB

MD5
2d4bd44695432d1223813f343e353b59

SHA1
6491bd20af00784912a0fabec64829b3f53e617d

SHA256
5f6164aa8b8b8e979ba48c2032637f168afd4db9ddf9d8bb20fada096b0dff82

SHA512
32b220905a687ea988da9b79da7636339a9fad38caa704bc8db104cd20522210780a0d7b2b9e266a8df49460d7d1c1b3c7c7866f4d4a7ad5996b9b14351c1534

Download Submit
memory/2368-0-0x00000000003B0000-0x00000000003B3000-memory.dmp

Filesize
12KB

Download
memory/2368-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2368-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2368-9-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2368-15-0x00000000003B0000-0x00000000003B3000-memory.dmp

Filesize
12KB

Download
memory/2476-24-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2476-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download