179056afa5d93cd4b52571de0e9b96b798c5b4d91f40e812bf9350478b4c5af1

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 03:52

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General

Target

2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe
Size

53KB
MD5

67424bceec7caf2d739a343b5680c09f
SHA1

2b613678cfd70e1c4749d6b2bb9fe30fbaa4c4a3
SHA256

179056afa5d93cd4b52571de0e9b96b798c5b4d91f40e812bf9350478b4c5af1
SHA512

10032ed55ac911f5b04c055f869478c1f57cfc23c4fe38ff4f6568792efeb2959329db28d2876af4cc2f20937e72700f8bb5d3a05a8742faae4da6d7fed6b429
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIK:X6QFElP6n+gJBMOtEvwDpjBtExml9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001211e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001211e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2120	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2052	2024-05-14_67424bceec7caf2d739a343b5680c09f_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 2052 wrote to memory of 2120	2052	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe	28
PID 2052 wrote to memory of 2120	2052	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe	28
PID 2052 wrote to memory of 2120	2052	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe	28
PID 2052 wrote to memory of 2120	2052	2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_67424bceec7caf2d739a343b5680c09f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2120

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
28bf2f5a3da68d31f4dcc92abaf02700

SHA1
8c444e8b2317e195eeb3386c241974e18e42417a

SHA256
28ce5968f5e66252e246fa9b32cbfc375fef5d71c222f392d655ee9b8a64aabb

SHA512
066d18dd9258141fe192b976be9e98049ddd96fe9591e8119beef9071b573d47a8a53e31f32f79d357c674840bdd4275bf1a658a90ced45d4b15dc7756f4ef2f

Download Submit
memory/2052-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2052-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2052-8-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2120-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2120-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download