5520147560d1512168e63a9ebdfda7d54eabf2686207180395eacea1f8fe73b1

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 20:43

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General

Target

2024-03-19_3e53ebfbba3111ac600f2825e0388294_cryptolocker.exe
Size

127KB
MD5

3e53ebfbba3111ac600f2825e0388294
SHA1

4ddb2ca05c70322a8876a2010d9b9d643a46f538
SHA256

5520147560d1512168e63a9ebdfda7d54eabf2686207180395eacea1f8fe73b1
SHA512

a4929bbf90959362ea46959fe9187d8d37968cd42e672ea7f0f515b65e259ae4935cac68d2f7fc56132a844799fdb307fa99dd05531ce5c46637edf8e8dd1aca
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpO:vCA9OtEvwDpjq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3064	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2768	2024-03-19_3e53ebfbba3111ac600f2825e0388294_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 2768 wrote to memory of 3064	2768	2024-03-19_3e53ebfbba3111ac600f2825e0388294_cryptolocker.exe	28
PID 2768 wrote to memory of 3064	2768	2024-03-19_3e53ebfbba3111ac600f2825e0388294_cryptolocker.exe	28
PID 2768 wrote to memory of 3064	2768	2024-03-19_3e53ebfbba3111ac600f2825e0388294_cryptolocker.exe	28
PID 2768 wrote to memory of 3064	2768	2024-03-19_3e53ebfbba3111ac600f2825e0388294_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_3e53ebfbba3111ac600f2825e0388294_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_3e53ebfbba3111ac600f2825e0388294_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3064

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
127KB

MD5
57bec7f6fbe92a4bb4437f884cb849d8

SHA1
b998006e4176d695f8ab4af1b138a421cabb1e71

SHA256
69eeb1095c4594b5477dd79bb7db6cdf5a424ea1d588173d5b63e950d961ac85

SHA512
9ca277a3a3ecffff357480460460080f83fa10ea9d01f17283b72eddbe55be8894a98703972cf099706ab86e9d02046149abca7fb30994fcf0afe051a25042ce

Download Submit
memory/2768-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2768-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2768-1-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/3064-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3064-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download