ae4aabf50a7323d6ef2ae9cb238f4ddfb55ab77fdbcfbc44cb49aecf68a7fc35

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
22-02-2024 13:08

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General

Target

2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_cryptolocker.exe
Size

48KB
MD5

ecdabeb6f35c480c73e6a39049a6f50a
SHA1

374e1013582494babc57e08e36df4492cdac9e80
SHA256

ae4aabf50a7323d6ef2ae9cb238f4ddfb55ab77fdbcfbc44cb49aecf68a7fc35
SHA512

dac491960b5e3045fdfbfde336df38de760a490490761ac6981989bc4f7dcf4f251e9734a3d7a4e6b06bc79082fd5feefbbfcbe157e250e7f9abfd8ce57a6a57
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUuuMBH:vj+jsMQMOtEvwDpj5Hczer5ixuMBH

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000143fa-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000143fa-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2476	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_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 1732 wrote to memory of 2476	1732	2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_cryptolocker.exe	28
PID 1732 wrote to memory of 2476	1732	2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_cryptolocker.exe	28
PID 1732 wrote to memory of 2476	1732	2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_cryptolocker.exe	28
PID 1732 wrote to memory of 2476	1732	2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_ecdabeb6f35c480c73e6a39049a6f50a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732
- 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
48KB

MD5
6b4c37acf30da2157ea8c5d39c7d42f3

SHA1
7e747dd8753c4d70b86423d5bf5bdab851ca4fb1

SHA256
ed0e5fc30341e89c367d5299804be195661e37377da97b783db47d3bd49ad78f

SHA512
29e085b5c0bc6bb9e6cdb4e36b3cd18b3539643b9c7d9dbf78bc658248d1f8ccba1a2ed00a3e8c38428f9bce052a373e6b4348a29fb603db3faa8f984cb2e0c0

Download Submit
memory/1732-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1732-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1732-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2476-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2476-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download