44104df4c499ddaebe8038e005b1ecefc39f02dc1a7cae4a540197abba77bbbb

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 05:28

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General

Target

2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe
Size

56KB
MD5

24b5e565b1445e9a15f28787f23fcc8b
SHA1

7ab989732d13c251be134990221d9d58b0f43ec4
SHA256

44104df4c499ddaebe8038e005b1ecefc39f02dc1a7cae4a540197abba77bbbb
SHA512

27f68219f82d0b038f0a23a0c0abefc6929b76cad0e7f0e320c17f1f433f22a6ce20753a14c4a88487208d34c4cb61b5c8af13faed8d9b0d23304bbc7011caf0
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8puk:bIDOw9a0DwitDZzcTLk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012327-21.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2344	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1504	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_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 1504 wrote to memory of 2344	1504	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2344

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

C:\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
56KB

MD5
2e4562b610942af80acf40387a32537c

SHA1
a77f5da4d76a24e03a6ace7f060714f9e4a98f81

SHA256
7b48d56bf3faf3f09d50037994b3bae509a534273e474baa841bc83f08bf6cc8

SHA512
c615cad3a79510b813019f7a59d8dec20a42d05228c09c687c33620d2d1714eb6888943f57873c50d55e23d7025fb324587ba8636f267cc5d863acbb55a5631f

Download Submit
memory/1504-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1504-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1504-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2344-22-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download