4451611b7da1bc883789f4f952f2a8b04fe15bc4792aaa6ca479db2df1c65133

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-02-2024 02:45

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General

Target

2024-02-25_ba504d1aef112af7be77060d5386f37e_cryptolocker.exe
Size

39KB
MD5

ba504d1aef112af7be77060d5386f37e
SHA1

8ae821ce54349cfab5442d9588bb55ed47fd001d
SHA256

4451611b7da1bc883789f4f952f2a8b04fe15bc4792aaa6ca479db2df1c65133
SHA512

8f9da5f8f01fec98387d20c23928e63153c82c7b7ba7969e2905a6b1cb13c282e2d54fe77c47d2e9bb46746db10e01bf3c6493211a2d7b7379781ad990082c7b
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axRVZBL:V6QFElP6n+gMQMOtEvwDpjyaYaLBL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2892	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1660	2024-02-25_ba504d1aef112af7be77060d5386f37e_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 1660 wrote to memory of 2892	1660	2024-02-25_ba504d1aef112af7be77060d5386f37e_cryptolocker.exe	28
PID 1660 wrote to memory of 2892	1660	2024-02-25_ba504d1aef112af7be77060d5386f37e_cryptolocker.exe	28
PID 1660 wrote to memory of 2892	1660	2024-02-25_ba504d1aef112af7be77060d5386f37e_cryptolocker.exe	28
PID 1660 wrote to memory of 2892	1660	2024-02-25_ba504d1aef112af7be77060d5386f37e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_ba504d1aef112af7be77060d5386f37e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_ba504d1aef112af7be77060d5386f37e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2892

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
39KB

MD5
28d2c68742d8847aaf30c05fc364cbb8

SHA1
ee501aac2fedbae42d2bf5186600c819c522b41f

SHA256
b614730c8c8dfc87bd7198762ad105c3041c0c78187bfc2aaa2aad9e61904cba

SHA512
474f3d006166f98c75891e4bd6ac8daac302675eb14ef9e35c7057d7515a9a9046d2b141066e9daa51dcef21ba2ed458e2fc5655ade41d9a0fd21240d3148574

Download Submit
memory/1660-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1660-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1660-8-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2892-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2892-18-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download