d8bf05a7de0376bb370982dbe7af4ae2d275933f34ebea113e38511b7d7e6c67

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-01-2024 15:24

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General

Target

2024-01-22_1003c9c93d62023efd4040ac0ba7716b_cryptolocker.exe
Size

35KB
MD5

1003c9c93d62023efd4040ac0ba7716b
SHA1

9e7b9ef9a3bf986f00019c84e72af53c23f67bbe
SHA256

d8bf05a7de0376bb370982dbe7af4ae2d275933f34ebea113e38511b7d7e6c67
SHA512

c1dc106fdb5e1432423263cec4b7c4c9aee75c142e2c5b063a6a313b9fe68f86259ffaa7cc5503ee0f437b0946e7ed2ae5c7a4191e672a8a9f99e05eec8e08cc
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3b:bxNrC7kYo1Fxf3s06gN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012261-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2732	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2424	2024-01-22_1003c9c93d62023efd4040ac0ba7716b_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 2732	2424	2024-01-22_1003c9c93d62023efd4040ac0ba7716b_cryptolocker.exe	28
PID 2424 wrote to memory of 2732	2424	2024-01-22_1003c9c93d62023efd4040ac0ba7716b_cryptolocker.exe	28
PID 2424 wrote to memory of 2732	2424	2024-01-22_1003c9c93d62023efd4040ac0ba7716b_cryptolocker.exe	28
PID 2424 wrote to memory of 2732	2424	2024-01-22_1003c9c93d62023efd4040ac0ba7716b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-22_1003c9c93d62023efd4040ac0ba7716b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-22_1003c9c93d62023efd4040ac0ba7716b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2732

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
36KB

MD5
b2b8d5fb1dcdae1f209a738c2911399c

SHA1
e5e0bae1dade4bb1c431b36e07f5a993463405e5

SHA256
e7feeec89bef63120676e3d43b51c321d9a53b56f517bd3d197db64664fb79c1

SHA512
f6493d4ad16021af65920781b6e3e46a11df0fdb1bb307216da9ab832ab994d1653aea2bd5a2175e6d7f7fc5670cf4d009524507347fef33087d968f94de162f

Download Submit
memory/2424-0-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/2424-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2732-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2732-21-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download