3aaba015decb18ab3e4d2ee90d29aae4b9d9cf36b8a649a2f1436f237ade9697

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 22:30

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General

Target

2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe
Size

54KB
MD5

72b519ab098e70017c188169acbe894f
SHA1

298a47f4bfab664e9394443f59799a76555ee1b1
SHA256

3aaba015decb18ab3e4d2ee90d29aae4b9d9cf36b8a649a2f1436f237ade9697
SHA512

8aaab1fe7d04d3afb0268c2e9d9e8c35e12482807e308c621bccb130076d2898f1c163c3fa08dc604c1ecea80e2bda1792e178304b429442e55cba4c2430c12e
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dlE:vj+jsMQMOtEvwDpj5HH1nw73KOFiE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2952	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2312	2024-03-13_72b519ab098e70017c188169acbe894f_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 2312 wrote to memory of 2952	2312	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe	28
PID 2312 wrote to memory of 2952	2312	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe	28
PID 2312 wrote to memory of 2952	2312	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe	28
PID 2312 wrote to memory of 2952	2312	2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_72b519ab098e70017c188169acbe894f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2952

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
55KB

MD5
5d2b266ae1760a0fb2c3d564ee17fff4

SHA1
4a82f18b8a8df625cdc30f82c63e14433741d62e

SHA256
9c7a24f9e1bb258fc5cfdad8da5eb1847b1b05f85dcb4d215dba4f940ecb4189

SHA512
39424054bd8ff31bbd64ae50b6c529c1851d6d48e9a9948573c85cc18f43585217bdaba09b04cff7189c5383edbf495e8ac19e19855d832008baa2821e2584d5

Download Submit
memory/2312-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2312-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2312-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2952-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2952-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download