17dae8e6ebeab187b9b4e93764b2aeb5e9f099309dcd49ecc2a5ab9fb2a40a2a

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 12:24

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General

Target

2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_cryptolocker.exe
Size

84KB
MD5

0af7a2ee4b3630eedd0c851d749d3dcd
SHA1

bd2b19241fc1433725c5acf3526e906ec3090023
SHA256

17dae8e6ebeab187b9b4e93764b2aeb5e9f099309dcd49ecc2a5ab9fb2a40a2a
SHA512

617bf1ed7389667aadaa15d872251e78ef26fce8280648f6d5eac833a88de64e1752c4f3ba818a68fddd234d35eb9a1a01aa301efd80baac936ae277d22db8ef
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrhG:TCjsIOtEvwDpj5HE/OUHnSMS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2416-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012286-11.dat	CryptoLocker_rule2
behavioral1/memory/2936-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2416-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2936-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2416-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012286-11.dat	CryptoLocker_set1
behavioral1/memory/2936-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2416-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2936-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2936	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_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 2416 wrote to memory of 2936	2416	2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_cryptolocker.exe	28
PID 2416 wrote to memory of 2936	2416	2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_cryptolocker.exe	28
PID 2416 wrote to memory of 2936	2416	2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_cryptolocker.exe	28
PID 2416 wrote to memory of 2936	2416	2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_0af7a2ee4b3630eedd0c851d749d3dcd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2936

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
84KB

MD5
f6b16553c6f6867fb34169f560ee74d3

SHA1
c3e48b2f695b43091a610767be7bb5e6c2232141

SHA256
10ab8e7cf0ed6a4b67d12ac563f61f1e5f2c5ec5f5824358c281719253623ce5

SHA512
6d2fb556f00c282443cd4e09c2e6c985da43ce834ad78834627ad75a482b06900ebfe2c63182a807b5a71c50ca8b3fd88db009e5d4fcce8294755ff86bc7d13f

Download Submit
memory/2416-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2416-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2416-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2416-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2416-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2936-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2936-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2936-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2936-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download