de7b25862ed10bb720a3ec68f3e8a16cca61863574b070e048508f55689aec8e

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 19:27

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General

Target

2024-03-25_45cd6be70de770101ce88cf6b5555e35_cryptolocker.exe
Size

129KB
MD5

45cd6be70de770101ce88cf6b5555e35
SHA1

69a4e612714f192c09951dfedbff179dad950ce2
SHA256

de7b25862ed10bb720a3ec68f3e8a16cca61863574b070e048508f55689aec8e
SHA512

49bbfe3caccd198ce9bb4e633d4fd2749612ef684753179f55dcf7e2bdb84055fae5de21331e5cf719b21fcbc52c31c86b105ac833799c0aa3508df96f8a773f
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//O:vCjsIOtEvwDpj5H9YvQd2Rc

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f2-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f2-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2504	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2224	2024-03-25_45cd6be70de770101ce88cf6b5555e35_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 2224 wrote to memory of 2504	2224	2024-03-25_45cd6be70de770101ce88cf6b5555e35_cryptolocker.exe	28
PID 2224 wrote to memory of 2504	2224	2024-03-25_45cd6be70de770101ce88cf6b5555e35_cryptolocker.exe	28
PID 2224 wrote to memory of 2504	2224	2024-03-25_45cd6be70de770101ce88cf6b5555e35_cryptolocker.exe	28
PID 2224 wrote to memory of 2504	2224	2024-03-25_45cd6be70de770101ce88cf6b5555e35_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-25_45cd6be70de770101ce88cf6b5555e35_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_45cd6be70de770101ce88cf6b5555e35_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2504

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
129KB

MD5
8003e8650e9e53c4f14310a2c4f3e4d1

SHA1
28be3b67a7fcfdd542fb7a5dae4af1e51c6d1455

SHA256
c1aaa745bc185988cb6b25795d3e7a32dc2efc0d1314d6e6b50e428f6d06605d

SHA512
1b470d438b0c9649ab912a146b5e47f0b18730afb534d427857fa1859c60082b9d84fca7c3b8270455bb5f0ccf92c6c996d4697b6fc668174ecff820a1289769

Download Submit
memory/2224-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2224-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2224-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2504-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2504-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download