df5371551814e9588fd8e75b2a0cd239ff8326dc6190714e45e4c19231fb932f

Analysis

max time kernel
149s
max time network
162s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 16:45

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General

Target

2024-02-19_a498aef783e4ce99866e0a3040772919_cryptolocker.exe
Size

124KB
MD5

a498aef783e4ce99866e0a3040772919
SHA1

e9d1ca22a0cd6280f28936f882bf1389b404bc28
SHA256

df5371551814e9588fd8e75b2a0cd239ff8326dc6190714e45e4c19231fb932f
SHA512

03dd2f6d107f8c2295136bbdcbfb09e0ba481ebd763c601eae61a2894ffea015e727a388af184f8e9e9aeeeb6c140d1070792ec009721621c382ae00b4af5038
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4O:vCA9OtEvwDpj3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

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

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2320	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2324	2024-02-19_a498aef783e4ce99866e0a3040772919_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 2324 wrote to memory of 2320	2324	2024-02-19_a498aef783e4ce99866e0a3040772919_cryptolocker.exe	28
PID 2324 wrote to memory of 2320	2324	2024-02-19_a498aef783e4ce99866e0a3040772919_cryptolocker.exe	28
PID 2324 wrote to memory of 2320	2324	2024-02-19_a498aef783e4ce99866e0a3040772919_cryptolocker.exe	28
PID 2324 wrote to memory of 2320	2324	2024-02-19_a498aef783e4ce99866e0a3040772919_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_a498aef783e4ce99866e0a3040772919_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_a498aef783e4ce99866e0a3040772919_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2320

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\misid.exe

Filesize
124KB

MD5
44e2cdfd83ce2a454b81bde971838ec2

SHA1
09992c65e72eee41b9e763724bac120328753743

SHA256
443ea351fd2dfaf2b623d2c52c2e3ad63ee198e26f55471f2610221e91399376

SHA512
f3552ad9656bf4c0a3627ffd09097c55f7045a3432cd3fb382091d431baeba1bbc883eccea96eb7fd6aab60ce13b3350fbd3ae683892d000d108fe9523c1c13d

Download Submit
memory/2320-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2320-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2324-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2324-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2324-1-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download