85e1faa1d8dd2ab9f474eb70d52e8250b10a88411c7ad248723b0373bec07267

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 19:54

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General

Target

2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe
Size

80KB
MD5

ca4e2eb1d7c206fb0ce025fa5ec7638c
SHA1

e9e9f71c907559f4a04b59603823ec293d7a035c
SHA256

85e1faa1d8dd2ab9f474eb70d52e8250b10a88411c7ad248723b0373bec07267
SHA512

7149af60ee28f3a262a88a01afa44f3c339dd5a0bc227c7c989397a1746ef1d850064565d01679b3e783326ead2a9c9304038980a35f2a9c5c3018a1d564d0cf
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqk:vCjsIOtEvwDpj5H9YvQd21

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2500	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_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 2380 wrote to memory of 2500	2380	2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2500

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
81KB

MD5
a2d2e2270efd2690cc7d157700c07c9d

SHA1
c9320c1d45c24cb0553e6d700d294ad7b54981e2

SHA256
7a615c5b85a1e6f488782832bc5a7453254bb5c4e9c3b46a11b44f7668a2fd38

SHA512
1c5185d6e5bf446de40100f40aee81300ed7a18850a9adfeb683a4a9021948f95b9af3fb70456638dc6de4ea0532f5401ba2f3cf2828ae1149ac6cccd96a9eb0

Download Submit
memory/2380-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2380-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2500-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2500-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download