966eaa0ec90a757297f213faf4403db6f50e3a3fd26face1899a08370b0103e3

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 06:14

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General

Target

2024-03-10_a17adb185115eabf5cecad040dcbae91_cryptolocker.exe
Size

126KB
MD5

a17adb185115eabf5cecad040dcbae91
SHA1

bf3324fb3eecdb7528ef5ace5399bf49bb99a078
SHA256

966eaa0ec90a757297f213faf4403db6f50e3a3fd26face1899a08370b0103e3
SHA512

12a9ed82b63f6078a6c6f5c59655cf6a4c36e031ae09603ffdf8e9c48853df6a5ed5b7e23a39800704a415dc7b201a4d04b080a2b693136f76828a4bcd9c6e74
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpVY:vCA9OtEvwDpjq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

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

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2780	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2904	2024-03-10_a17adb185115eabf5cecad040dcbae91_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 2904 wrote to memory of 2780	2904	2024-03-10_a17adb185115eabf5cecad040dcbae91_cryptolocker.exe	28
PID 2904 wrote to memory of 2780	2904	2024-03-10_a17adb185115eabf5cecad040dcbae91_cryptolocker.exe	28
PID 2904 wrote to memory of 2780	2904	2024-03-10_a17adb185115eabf5cecad040dcbae91_cryptolocker.exe	28
PID 2904 wrote to memory of 2780	2904	2024-03-10_a17adb185115eabf5cecad040dcbae91_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_a17adb185115eabf5cecad040dcbae91_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_a17adb185115eabf5cecad040dcbae91_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2780

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
126KB

MD5
d8a65dd8606528811b9dfdc687c8ab63

SHA1
71961f2be5d93857d2627ce30542d7b5abcd79ec

SHA256
5808e1982f3e651a837c9538d071cb1e5de3e82cf36ac5425ecfb55513f1b8cd

SHA512
2ee64d8965f70e36d247189786bb1452266d2ec025856d0103d408cbe02c1b649417dbd96c41b0261f739e1f550d3c5ba47707899545539c760af6c82568f39f

Download Submit
memory/2780-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2904-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2904-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2904-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download