61fbea2326f47c086e76c6bfa508222733a322b4763fc5dfc46ed5c68e6a7bfb

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14-03-2024 05:29

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General

Target

2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_cryptolocker.exe
Size

53KB
MD5

1cbe336ee917c9740c8ad3411dbb7df6
SHA1

0f38d3d2fc9655a874f9821610f9729edc957dc9
SHA256

61fbea2326f47c086e76c6bfa508222733a322b4763fc5dfc46ed5c68e6a7bfb
SHA512

c56e018b9416ab3f85a67f2a590aee61c06820dc0b9c0fe1c48d643d9c8a9e8e917066da9e6fe13dab9859537ecbefa67a7216ddf895962102aa4ed932035403
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakl8V:V6a+pOtEvwDpjZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1712	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_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 2248 wrote to memory of 1712	2248	2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_cryptolocker.exe	28
PID 2248 wrote to memory of 1712	2248	2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_cryptolocker.exe	28
PID 2248 wrote to memory of 1712	2248	2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_cryptolocker.exe	28
PID 2248 wrote to memory of 1712	2248	2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_1cbe336ee917c9740c8ad3411dbb7df6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1712

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\asih.exe

Filesize
53KB

MD5
76928c6eddb93851fcd3bba491684440

SHA1
64e5cf5fbf29553df50f4e438599a520093f5a3f

SHA256
be1803f7816eae2a76f6e8762d29c34905599e4f1d26eaa1651c4ddb168c5315

SHA512
a175bf750dd31139093940c903448ef2e86a99d0261794ad6ef4811a40e92be5691e8ceaf3d92bd044f28e49d57d0257f9eef1d7cfd53a4a5ebaa89ff0841a81

Download Submit
memory/1712-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1712-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2248-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2248-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2248-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download