34fcadf9eb0fecfc9abd808e2ecc68ccb50e45fa354e885f56f16a49c8795cb8

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 11:43

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General

Target

2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_cryptolocker.exe
Size

127KB
MD5

8ca4adf9ed68e48a35c6fdb65609bdd1
SHA1

46c8ccd096da25bd81ac3c9134bb7f6e4895cd39
SHA256

34fcadf9eb0fecfc9abd808e2ecc68ccb50e45fa354e885f56f16a49c8795cb8
SHA512

0a84c8d0a90a51378483813886e7eb4998fb619da5745c62360fa17d433122b908c5bc8b92c3e28b63d9fd55f26d3b6b066e66541ecc171afabb3795c6865de0
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBp2:vCA9OtEvwDpjS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2632	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2660	2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_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 2660 wrote to memory of 2632	2660	2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_cryptolocker.exe	28
PID 2660 wrote to memory of 2632	2660	2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_cryptolocker.exe	28
PID 2660 wrote to memory of 2632	2660	2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_cryptolocker.exe	28
PID 2660 wrote to memory of 2632	2660	2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_8ca4adf9ed68e48a35c6fdb65609bdd1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2632

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\misid.exe

Filesize
127KB

MD5
1de9bc1df048dd868b88e3a115613aae

SHA1
cf0ee3f18b990285fd6d652d331281209efc72c0

SHA256
313ea6a248e81a9da5adfe274f9dbf9bb7032fa4f84324135cc6aba7520bd66e

SHA512
ae375e630fe644f0aeead9dd16b0a7c86b62f57c9151ce85909d30802f1a76296ae6f5f6ecbfca4c44db277c556494d242cadc118578f3ca820d97a7282a2818

Download Submit
memory/2632-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2632-16-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2660-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2660-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2660-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download