3f7bc4a545ff3b0a1d5d933219b551b6d9267123db50a44b12064f4581fccdb9

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 16:48

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General

Target

2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe
Size

82KB
MD5

9bb52440893b084b6059360d9c9b692c
SHA1

8494ccc925f521f833083d249d9cbcc6b6265262
SHA256

3f7bc4a545ff3b0a1d5d933219b551b6d9267123db50a44b12064f4581fccdb9
SHA512

39380b11be1a3eb46e905ec76057188f8fb791963c46352e8ab7ca22af52fbd8aed47069b68183a74f4f9255082670601d244110037142c909bd6db9b4cea550
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNB8:vCjsIOtEvwDpj5H9YvQd2U

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1700	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	2024-03-19_9bb52440893b084b6059360d9c9b692c_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 2176 wrote to memory of 1700	2176	2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe	28
PID 2176 wrote to memory of 1700	2176	2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe	28
PID 2176 wrote to memory of 1700	2176	2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe	28
PID 2176 wrote to memory of 1700	2176	2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_9bb52440893b084b6059360d9c9b692c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1700

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
82KB

MD5
2adeac3d4046af979506294ae7dca483

SHA1
8da210dc38d6eaab9d77f8e918573060604c1a49

SHA256
42785fc81016c9fdfcabbeb5b7d7bfb38e214a2556e52cb6918d6bd3f6b70062

SHA512
b78f4042d6453aec4e5fadee9720de468fe6eeee07040d6761e05c1cd5ced20a630509407b9d511ffd177daad205829cb015e6514ffbd42a4bbe9e3b5fbfd946

Download Submit
memory/1700-16-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1700-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2176-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2176-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download