1e56714a4843d321f02e1dde08674a0308e9c0bf983d513b58a9beb1e6d6155d

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 16:44

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General

Target

2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_cryptolocker.exe
Size

45KB
MD5

9d46de951ed5e4c09f88cdc4897ba053
SHA1

4e0c091552e2dd70d5a6326aa06acabea084df95
SHA256

1e56714a4843d321f02e1dde08674a0308e9c0bf983d513b58a9beb1e6d6155d
SHA512

e04d9a70c9ba60a021aea2c2fd0ec9aece23aceaa93b67c6b2300cb676cdc796fd22e99024692544e641401313efdf1302edad4bf7cb845490d210027fd12a91
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxysmC4Rnm:bIDOw9a0Dwo3P1ojvUSD4PWnm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2768	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2464	2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_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 2464 wrote to memory of 2768	2464	2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_cryptolocker.exe	28
PID 2464 wrote to memory of 2768	2464	2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_cryptolocker.exe	28
PID 2464 wrote to memory of 2768	2464	2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_cryptolocker.exe	28
PID 2464 wrote to memory of 2768	2464	2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_9d46de951ed5e4c09f88cdc4897ba053_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2768

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\lossy.exe

Filesize
45KB

MD5
1970c287afc116dfed17e7250a3dfbc6

SHA1
b43b2a25c8cf5b8fee739ea3ac50a518eb70cefe

SHA256
843cdb3297987b8e0d86f87557f0c5112b4bd23ffbd4371615e7ef2fe630d525

SHA512
24d77738b138f05485337857e665caf4b358d882982cf9455ac947a73f852c6868c772e3820fb9803c3d2639053e10fa8006034860ea40eaa1a4b21c8c561912

Download Submit
memory/2464-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2464-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2464-7-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2768-16-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2768-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download