e70ccb4a2cbc12f4ca8a3031bb5511e15c8fcde3ac5d9cd133a212ff02622195

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/04/2024, 18:27

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General

Target

2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_cryptolocker.exe
Size

74KB
MD5

2419ca9af5e8c90edb7924544b2cc7ba
SHA1

bf52bf6f9129cc3fae94998494af58e291cb15da
SHA256

e70ccb4a2cbc12f4ca8a3031bb5511e15c8fcde3ac5d9cd133a212ff02622195
SHA512

a2df12a30facb7ca2e0f44f2d962f74d79c1e6714cca481581cb1a0df4f75b32d2ee8ebe71c2b1759ef675a5aa7da06d9236bfc57f6d04900df2fff0ee6b52d5
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsw:X6a+SOtEvwDpjBZYvQd2f

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012334-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012334-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3064	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2400	2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_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 2400 wrote to memory of 3064	2400	2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_cryptolocker.exe	28
PID 2400 wrote to memory of 3064	2400	2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_cryptolocker.exe	28
PID 2400 wrote to memory of 3064	2400	2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_cryptolocker.exe	28
PID 2400 wrote to memory of 3064	2400	2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_2419ca9af5e8c90edb7924544b2cc7ba_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.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\asih.exe

Filesize
74KB

MD5
3128fc8be68d7f376ce94d1e4488a378

SHA1
e55471182a067b64cd09f7bf4196e1585809ea2b

SHA256
dd65ca0668374997d1bfe626bed37a0807642a40a764e2e268673e6e84eb35f7

SHA512
dcee8c327a5274848d7b524555f4b1b26facfe8f36ba52cd6351243e3a0d1363faa8077aa81d55589126f5f5f1d8cd5b6ee9ce1172413e353e98c67eb001f468

Download Submit
memory/2400-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2400-7-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2400-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3064-15-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3064-22-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download