4ae897db68f0eedba2c582e328b535594ca9c66babb13c826a23425b18312575

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
27/05/2024, 00:46

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General

Target

2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_cryptolocker.exe
Size

56KB
MD5

d60dbb2097f72a1a124b9bc77e20f06c
SHA1

7f1abb1a95fba937329586dde150134d1f97d984
SHA256

4ae897db68f0eedba2c582e328b535594ca9c66babb13c826a23425b18312575
SHA512

a0382a5363b5760427e36da8af70e67dd8af8b6cac2fb371925753d5ea68de15c4466263e2c69f8f61106741813adc5756182ac05bd108bf987aee6d56278dea
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8puG:bIDOw9a0DwitDZzcTLG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012346-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3008	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_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 1728 wrote to memory of 3008	1728	2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_cryptolocker.exe	28
PID 1728 wrote to memory of 3008	1728	2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_cryptolocker.exe	28
PID 1728 wrote to memory of 3008	1728	2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_cryptolocker.exe	28
PID 1728 wrote to memory of 3008	1728	2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_d60dbb2097f72a1a124b9bc77e20f06c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:3008

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
56KB

MD5
d961e29fe5b75502bf9cf6fe04bd129c

SHA1
8a4c74a7134bee580a09aec346de300b034e1aab

SHA256
4fdac34813b48e2b569492f6751801cd77a8949457fbf971b6ecd63d8d838c93

SHA512
2b7c13c14b48933bb4db5742885097ad446aa0b3c47553d733b4f15c19c9a042d28ff530a2f184c2dd020d8a9785638bec0e1da7fec3bb42af577206f36896b2

Download Submit
memory/1728-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1728-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1728-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3008-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3008-22-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download