d6bf637d1c5a3b535f9e2e086b507e13b1fdbd8444e50198662a3b5f4c3fd18d

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 07:14

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General

Target

2024-02-14_dd1373d512af977e0cf9547b3f29cecd_cryptolocker.exe
Size

40KB
MD5

dd1373d512af977e0cf9547b3f29cecd
SHA1

6a424f57982dad36b7f931b87a5d8e2b8dd0835d
SHA256

d6bf637d1c5a3b535f9e2e086b507e13b1fdbd8444e50198662a3b5f4c3fd18d
SHA512

10a33d95216b07cda527f7e047142eca361792aa9bc63c3efc2c6c201df00acc77a62e0c2e041d1f1491af624d5c15395b46be87a5646f8d7b46db74e0fb5db3
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqJzJ:bxNrC7kYo1Fxf3s05rwxbFSt

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2456	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2296	2024-02-14_dd1373d512af977e0cf9547b3f29cecd_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 2296 wrote to memory of 2456	2296	2024-02-14_dd1373d512af977e0cf9547b3f29cecd_cryptolocker.exe	28
PID 2296 wrote to memory of 2456	2296	2024-02-14_dd1373d512af977e0cf9547b3f29cecd_cryptolocker.exe	28
PID 2296 wrote to memory of 2456	2296	2024-02-14_dd1373d512af977e0cf9547b3f29cecd_cryptolocker.exe	28
PID 2296 wrote to memory of 2456	2296	2024-02-14_dd1373d512af977e0cf9547b3f29cecd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_dd1373d512af977e0cf9547b3f29cecd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_dd1373d512af977e0cf9547b3f29cecd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2456

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\pissa.exe

Filesize
40KB

MD5
cfb12de02423ba6eba7e984766a8d652

SHA1
5f09a78e4c9a4e4ef84a737dec853ed579990e67

SHA256
4a49dffc002ecf69a42a1eb6324c25dcd3f75e25b9686b5f19f7ee38335fe91e

SHA512
a88a8d93a7edc7c4422a1a347b8d1910e46acebf11b9773d796e0195a640d75a1220880d72390b332540c4aff67fc49ce0747174f49bda2f3407b2a1f7d96299

Download Submit
memory/2296-0-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2296-1-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/2296-8-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2456-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2456-17-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download