3a96130fe99e5dac769eb0a584b5bef62a9aee965d84db2ded68635b8369aa66

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/04/2024, 22:34

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General

Target

2024-04-22_be47244646470d6c4cf686d03bb03ac8_cryptolocker.exe
Size

91KB
MD5

be47244646470d6c4cf686d03bb03ac8
SHA1

952f23bbb9109fbf69eb806123b4e81efd7f306a
SHA256

3a96130fe99e5dac769eb0a584b5bef62a9aee965d84db2ded68635b8369aa66
SHA512

5faded5ecddccd6776d6359052b9216bc795067f38580fbf69c3d40f2f5603ce70038e50ffe5a59442917116766ad07816004129f826c8bff5bd952c4e3aa6af
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQoOo:vCjsIOtEvwDpj5H8zPso

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001223a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001223a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2508	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	2024-04-22_be47244646470d6c4cf686d03bb03ac8_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 1912 wrote to memory of 2508	1912	2024-04-22_be47244646470d6c4cf686d03bb03ac8_cryptolocker.exe	28
PID 1912 wrote to memory of 2508	1912	2024-04-22_be47244646470d6c4cf686d03bb03ac8_cryptolocker.exe	28
PID 1912 wrote to memory of 2508	1912	2024-04-22_be47244646470d6c4cf686d03bb03ac8_cryptolocker.exe	28
PID 1912 wrote to memory of 2508	1912	2024-04-22_be47244646470d6c4cf686d03bb03ac8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-22_be47244646470d6c4cf686d03bb03ac8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_be47244646470d6c4cf686d03bb03ac8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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
91KB

MD5
2167a290672566f3d8b7cb509b7d36e3

SHA1
6efa974cf749d34b715b7918bd2e8a317150be7f

SHA256
af87b83877ec9b8feaef125d79bbb1fbcfa6cedf4ad3c61e60a2c74d816608c2

SHA512
72958fa70b35d77cc6c0f5da81c55b3fdc42f58736918fbad9766c682e6bdd882fe079db638b8390b862c46cd146947e9ec367f4aa397794eccbd02c2e521121

Download Submit
memory/1912-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1912-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1912-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2508-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2508-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download