44104df4c499ddaebe8038e005b1ecefc39f02dc1a7cae4a540197abba77bbbb

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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
behavioral2/files/0x0006000000023298-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5096	lossy.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 5096	4328	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe	82
PID 4328 wrote to memory of 5096	4328	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe	82
PID 4328 wrote to memory of 5096	4328	2024-06-09_24b5e565b1445e9a15f28787f23fcc8b_cryptolocker.exe	82

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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:5096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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/4328-0-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/4328-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4328-8-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/5096-17-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/5096-23-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download