424fe64ca63768ffce1e62c7236724ba8c205d7090a5f28d1ecbfd9fd02558fc

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 21:00

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General

Target

2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_cryptolocker.exe
Size

38KB
MD5

2cc6c50ba36baae88880bb02a7feeb7d
SHA1

5ce1935e8e02a6f7e99f8d110a68ccdd38283780
SHA256

424fe64ca63768ffce1e62c7236724ba8c205d7090a5f28d1ecbfd9fd02558fc
SHA512

b747afe38bb7e1596f075bc617d9655a3ccb8605bdba7bd9c71d5480422835b0e52651efe2128e26a7261c225fb01f1b5e7b020f1310437c5e40611b23e7c60a
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4S:fT+hsMQMOtEvwDpjoIHS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014909-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014909-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2440	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1664	2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_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 1664 wrote to memory of 2440	1664	2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_cryptolocker.exe	28
PID 1664 wrote to memory of 2440	1664	2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_cryptolocker.exe	28
PID 1664 wrote to memory of 2440	1664	2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_cryptolocker.exe	28
PID 1664 wrote to memory of 2440	1664	2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_2cc6c50ba36baae88880bb02a7feeb7d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2440

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
38KB

MD5
a7b158735cedc6faa8c86ab7ad928eef

SHA1
ad6301f841f2cea33d60f079a4f8fd66eb28a567

SHA256
e779ff12028bfdee14a3957cc0bab19538a5eb415a8ac396d5444472e685fcff

SHA512
2beb092c5008cacb832e5cbfe9920b8bbc4916f57384fa8bebf8af0236da08231039d7a9b0f1c4383eae5364b9d1fe504701e5b6767ef48608151f89c49b5cf0

Download Submit
memory/1664-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1664-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1664-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2440-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2440-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download