cd9873673ae9117ea34f6ec916e71cad46db9755e620add6dc39ffaa638a7b21

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 00:30

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General

Target

2024-02-12_4585990c1c5df39c52142d9072967480_cryptolocker.exe
Size

46KB
MD5

4585990c1c5df39c52142d9072967480
SHA1

898e64fbd7fbf7fa3093d7ff8320edb019a641f3
SHA256

cd9873673ae9117ea34f6ec916e71cad46db9755e620add6dc39ffaa638a7b21
SHA512

855f1b83ed100a5e9748a8f31c5a34e0312fc21246c5bc58cb11176d8a617abc7cdcec19a9fcc8ec9775b561471aca6af7cd8f1725f3d2484be98ecd3ba737d5
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dgl:bgGYcA/53GAA6y37Q6d+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012274-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1984	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1192	2024-02-12_4585990c1c5df39c52142d9072967480_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 1192 wrote to memory of 1984	1192	2024-02-12_4585990c1c5df39c52142d9072967480_cryptolocker.exe	28
PID 1192 wrote to memory of 1984	1192	2024-02-12_4585990c1c5df39c52142d9072967480_cryptolocker.exe	28
PID 1192 wrote to memory of 1984	1192	2024-02-12_4585990c1c5df39c52142d9072967480_cryptolocker.exe	28
PID 1192 wrote to memory of 1984	1192	2024-02-12_4585990c1c5df39c52142d9072967480_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-12_4585990c1c5df39c52142d9072967480_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_4585990c1c5df39c52142d9072967480_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1984

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\hasfj.exe

Filesize
46KB

MD5
a73b7fe48cb56a56d2eaabc4dec0bb93

SHA1
d2da4e73c55b5ee3ac7ba2191b7b573a2e9ec1c5

SHA256
4ca8198d641b94feefbe86836d59b8871d9a8ea8be6750a66ca26ca92da963b6

SHA512
d3ca225527c368795e35b6e5870d9655a1a3cb405421b413e6274588f0ee6628bdfe221c36cdc62912d9f6a412b0886968e52955eeb3cd4b21b698f068c5b50e

Download Submit
memory/1192-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1984-15-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/1984-16-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download