d305557ed042fad89c146ad41049b60f662b520d8fe56e7be6024891a92c97de

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
27/01/2024, 15:24

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General

Target

2024-01-27_1b6647acc53d46afbd350350e4a5aca0_cryptolocker.exe
Size

83KB
MD5

1b6647acc53d46afbd350350e4a5aca0
SHA1

ebf31bcbde96c54f887dfb1673575fa4002e3f2d
SHA256

d305557ed042fad89c146ad41049b60f662b520d8fe56e7be6024891a92c97de
SHA512

b041640eaf4bfd1d36c3e12ca13314b3ed60112bca3be5d8a782eb7e119f4d4422e9fbb34bd0404f2b7ababda834a2013eb0d0fadecbfcc484b1693659e1405d
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNlVSL8z:V6a+pOtEvwDpjvpV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2324	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2672	2024-01-27_1b6647acc53d46afbd350350e4a5aca0_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 2672 wrote to memory of 2324	2672	2024-01-27_1b6647acc53d46afbd350350e4a5aca0_cryptolocker.exe	28
PID 2672 wrote to memory of 2324	2672	2024-01-27_1b6647acc53d46afbd350350e4a5aca0_cryptolocker.exe	28
PID 2672 wrote to memory of 2324	2672	2024-01-27_1b6647acc53d46afbd350350e4a5aca0_cryptolocker.exe	28
PID 2672 wrote to memory of 2324	2672	2024-01-27_1b6647acc53d46afbd350350e4a5aca0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_1b6647acc53d46afbd350350e4a5aca0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_1b6647acc53d46afbd350350e4a5aca0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2324

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
83KB

MD5
09252e5575b317ea0fc771c4420bb419

SHA1
a4203143063683ff76ce9dd0522b865a8c650a71

SHA256
3c6384e249798d0ba63bf39f3ecbe8395ac7cf66016b8b5abc94a445597101fe

SHA512
330a5d439d56839d6cbd5dd73a0bee99072e5d13ae1e55872251250d5c0ee1e55fcdcd07d42de699c61b217a1670a62fcfd67168d611072bccb14a92f8c0eb76

Download Submit
memory/2324-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2324-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2672-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2672-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2672-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download