d842f72f58f97ed48034e1e7e26eecb15b1751e961df2221fc160d786f8e9a8d

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 03:29

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General

Target

2024-02-04_3008af2db87440e03f2ead4c69547c55_cryptolocker.exe
Size

73KB
MD5

3008af2db87440e03f2ead4c69547c55
SHA1

930cffac1a44008c02f64c26c8ab8198dd8f89f1
SHA256

d842f72f58f97ed48034e1e7e26eecb15b1751e961df2221fc160d786f8e9a8d
SHA512

817c65b4bee01909099b2ec0391bad53cd0984957a551b8e2b67beabde6d4cb778a1e9ad166b4bde591368c8c87750c01d4ad1a39fdd77392a32b550a44aa203
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sy:X6a+SOtEvwDpjBZYvQd2N

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012274-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012274-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2316	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	2024-02-04_3008af2db87440e03f2ead4c69547c55_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 3056 wrote to memory of 2316	3056	2024-02-04_3008af2db87440e03f2ead4c69547c55_cryptolocker.exe	28
PID 3056 wrote to memory of 2316	3056	2024-02-04_3008af2db87440e03f2ead4c69547c55_cryptolocker.exe	28
PID 3056 wrote to memory of 2316	3056	2024-02-04_3008af2db87440e03f2ead4c69547c55_cryptolocker.exe	28
PID 3056 wrote to memory of 2316	3056	2024-02-04_3008af2db87440e03f2ead4c69547c55_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-04_3008af2db87440e03f2ead4c69547c55_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-04_3008af2db87440e03f2ead4c69547c55_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2316

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\asih.exe

Filesize
73KB

MD5
d9379cfc8f793e46be002962f5c7d94d

SHA1
37c2e6c4d648a32819a85313765d868a7bf00ca3

SHA256
6712bb66cab021beab9342c7d1b5b292503f8ae66f48d993fa7348175f2c98ff

SHA512
9d7fc8b00b474b3f118e120ae8d93d787c8246f6a7ba5363917fe662849ff8b537e88855d18daf1e739a4877a6fc358960a9eb79201e450ba8da029784df2849

Download Submit
memory/2316-15-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2316-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3056-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3056-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3056-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download