4246b22255d23af9a5366655f3ae93a21df0a9298153bc5035e5eaea2db1c9da

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 02:26

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General

Target

2024-03-13_10badfad7622e391c1fafea27db4adc5_cryptolocker.exe
Size

46KB
MD5

10badfad7622e391c1fafea27db4adc5
SHA1

0d7b54404c399f778b9a00b242e0055d599f55f6
SHA256

4246b22255d23af9a5366655f3ae93a21df0a9298153bc5035e5eaea2db1c9da
SHA512

e545ec27b0aae54e203c945d798eb3d3c1e8eafe0a41d19c781c7eafafc19d7aeb6ce80973d919e059d054b3dbc2bcc044407a8531819b84521a741887c46f3b
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPx9UnuCmHic:bIDOw9a0Dwo3P1ojvUSD4PInrmHl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
772	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	2024-03-13_10badfad7622e391c1fafea27db4adc5_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 2868 wrote to memory of 772	2868	2024-03-13_10badfad7622e391c1fafea27db4adc5_cryptolocker.exe	28
PID 2868 wrote to memory of 772	2868	2024-03-13_10badfad7622e391c1fafea27db4adc5_cryptolocker.exe	28
PID 2868 wrote to memory of 772	2868	2024-03-13_10badfad7622e391c1fafea27db4adc5_cryptolocker.exe	28
PID 2868 wrote to memory of 772	2868	2024-03-13_10badfad7622e391c1fafea27db4adc5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_10badfad7622e391c1fafea27db4adc5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_10badfad7622e391c1fafea27db4adc5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:772

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
46KB

MD5
7a2a09e8c54573cf9c15ec9e141c3f40

SHA1
d83ce68f5dc6bd7cf3c5b43fe34bec62a7af2494

SHA256
029a68e402de0537cb53eb0040ad8d8b05f8e8f62e5d490ef1c426d9ab6de2a9

SHA512
4a356c2832c46cf111dbd4623f825e8d02aa4a0ee2f67cfb10c579c8a4a1f69d0edccd58c8bf3e2d8f0a55782c24ae995af147646583fd38dbae09a612c7d076

Download Submit
memory/772-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/772-15-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/2868-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2868-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2868-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download