6c549b8f785188b2d3b811280b8a12ec13cb8cc779c4baacfc502fdffd7ba583

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-01-2024 01:45

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General

Target

2024-01-28_dfcc6f4615eeebecd23b330a3c778933_cryptolocker.exe
Size

59KB
MD5

dfcc6f4615eeebecd23b330a3c778933
SHA1

7ddb6aad527d92602f108c778f70d078bb8822f2
SHA256

6c549b8f785188b2d3b811280b8a12ec13cb8cc779c4baacfc502fdffd7ba583
SHA512

fceda58bde5b759bd967bdecc9b9bcbe143d633f05695992e72180394d856013b9c9007465fd2490067a91eb3ba2581abdf9536e964aae1a376ecdfb6ef5b0e9
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMy:TCjsIOtEvwDpj5HE/OUHnSMx

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b0000000133a9-11.dat	CryptoLocker_rule2
behavioral1/memory/2040-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2536-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2040-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b0000000133a9-11.dat	CryptoLocker_set1
behavioral1/memory/2040-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2536-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2040-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2040	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2536	2024-01-28_dfcc6f4615eeebecd23b330a3c778933_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 2536 wrote to memory of 2040	2536	2024-01-28_dfcc6f4615eeebecd23b330a3c778933_cryptolocker.exe	28
PID 2536 wrote to memory of 2040	2536	2024-01-28_dfcc6f4615eeebecd23b330a3c778933_cryptolocker.exe	28
PID 2536 wrote to memory of 2040	2536	2024-01-28_dfcc6f4615eeebecd23b330a3c778933_cryptolocker.exe	28
PID 2536 wrote to memory of 2040	2536	2024-01-28_dfcc6f4615eeebecd23b330a3c778933_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_dfcc6f4615eeebecd23b330a3c778933_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_dfcc6f4615eeebecd23b330a3c778933_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2040

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

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
60KB

MD5
6a160d6726eadbb410a147aa5862a566

SHA1
0b117025d11eda207230f3b5602a96dd609cc1a8

SHA256
85f49883d37dabe40c8294abb035b57a6549c8a953e6819851687828b2f12816

SHA512
5b8ad0cb36f9e0e1e33a8ca016a0e43bbcd4f3bd375a749acc6bbdcb580dbceda4b24b1893c3251a5f717b948012fc2b6419ce00d279522b922dfff8331b934a

Download Submit
memory/2040-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2040-18-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2040-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2040-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2536-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2536-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2536-2-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2536-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2536-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download