cbd011939d35120c061566dc0f08c4192a1a92bb6e90d1a38e03ee068cd4745d

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 07:33

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General

Target

2024-06-14_333292517fc00b131dc8c5e0d5d9736d_cryptolocker.exe
Size

54KB
MD5

333292517fc00b131dc8c5e0d5d9736d
SHA1

40a1aeb71766235170af0f3da2840e20b78fbd7d
SHA256

cbd011939d35120c061566dc0f08c4192a1a92bb6e90d1a38e03ee068cd4745d
SHA512

c2af084cbb5b9ed90b1ca519d28d80c1ff091b13ed2a1e420b817368ddaf5b9863dc4ad868e7e8d1ee0483dfd3c100b8f0f519022c62070d37023808ea1a26a1
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIl:X6QFElP6n+gJBMOtEvwDpjBtExmlC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001226d-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001226d-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1608	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1240	2024-06-14_333292517fc00b131dc8c5e0d5d9736d_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 1240 wrote to memory of 1608	1240	2024-06-14_333292517fc00b131dc8c5e0d5d9736d_cryptolocker.exe	28
PID 1240 wrote to memory of 1608	1240	2024-06-14_333292517fc00b131dc8c5e0d5d9736d_cryptolocker.exe	28
PID 1240 wrote to memory of 1608	1240	2024-06-14_333292517fc00b131dc8c5e0d5d9736d_cryptolocker.exe	28
PID 1240 wrote to memory of 1608	1240	2024-06-14_333292517fc00b131dc8c5e0d5d9736d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-14_333292517fc00b131dc8c5e0d5d9736d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-14_333292517fc00b131dc8c5e0d5d9736d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1608

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
54KB

MD5
54016465456efc09190b9ccefaf60c01

SHA1
75293bf04c7ef527cc8fa7cf73be38b481c0424a

SHA256
fd15ba6b70044d10a15881e9853342d35c9bd8b7aed4e38499f3ad0438a9994d

SHA512
9a5bc222bd986ff82a04085af4025099918810239f3836f93746772e51b31162f9639414b8f4f93ea19d84bbc91cffc5809e92af26458ad701abc36b78d6f74f

Download Submit
memory/1240-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1240-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1240-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1608-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1608-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download