26d7299dd5c65d68c0324895b55143808bd4bcf4c5d144085ec83729387ba553

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 03:52

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General

Target

2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_cryptolocker.exe
Size

54KB
MD5

6713fd6d9bcb3dd7e5cdb6a915a2a26e
SHA1

cf9553dfb27db9e167aded6d543600ae90cf9c38
SHA256

26d7299dd5c65d68c0324895b55143808bd4bcf4c5d144085ec83729387ba553
SHA512

eab19b62464ba36d52037985aff6d5c18be9da8d81f24aeada6c65ec79b6177e05e6b0caedbb7b3ffcd9fa23dac0f5ddd496743731cddca4e77a7e89c15a4a4f
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Xv+mb6uXs7:bIDOw9a0DwitDZzc16t

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001214d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3004	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2424	2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_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 2424 wrote to memory of 3004	2424	2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_cryptolocker.exe	28
PID 2424 wrote to memory of 3004	2424	2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_cryptolocker.exe	28
PID 2424 wrote to memory of 3004	2424	2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_cryptolocker.exe	28
PID 2424 wrote to memory of 3004	2424	2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_6713fd6d9bcb3dd7e5cdb6a915a2a26e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:3004

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\lossy.exe

Filesize
54KB

MD5
9e254b4a45e9444119d8f585fe6993a1

SHA1
b00994085a2ed4a2e0d2b00b33791c43ccf030a8

SHA256
1e9bcaa3f6658f249cebbe8cf5dd5e55afcc4c01cc8b2418adecce56b0053d29

SHA512
3b3751a91d5ee6d171c76f431c553fa2a82c9f6f1d4abe49927dca385ab3e2feff165817adcb3dec5ed3b728b924dd70aa90fa30e07ce9b7090f15a7954c7140

Download Submit
memory/2424-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2424-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2424-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3004-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3004-22-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download