29bef0f418e8db09f46ea4ea98c9ca420bc3617942e3a64b18dacac0803e3126

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 21:24

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General

Target

2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_cryptolocker.exe
Size

42KB
MD5

3827ef0aae55f611d87d0730a7bd4ae2
SHA1

7723b55e7ecbe40adfaa57f493671139e49a44c7
SHA256

29bef0f418e8db09f46ea4ea98c9ca420bc3617942e3a64b18dacac0803e3126
SHA512

988477080adae4ea78737023a8286563b3ba385df5f19377d4299b590fcaff44610d59eb478588a90cfce4c285ec8f7dbed87b1b6f4c5fe3521e0112e659ef12
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQL3bTNb:ZzFbxmLPWQMOtEvwDpjLeU3R

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012258-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2532	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_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 2168 wrote to memory of 2532	2168	2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_cryptolocker.exe	28
PID 2168 wrote to memory of 2532	2168	2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_cryptolocker.exe	28
PID 2168 wrote to memory of 2532	2168	2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_cryptolocker.exe	28
PID 2168 wrote to memory of 2532	2168	2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_3827ef0aae55f611d87d0730a7bd4ae2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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
42KB

MD5
d05d6436a4a0cefebaa6abe7d455d504

SHA1
0ea637beea1f957b161942fddd140ef7fad3b226

SHA256
e5edadeeb4f556c4f03c90c1d2323a120a23e53734ec9745aebd15568c33a2f4

SHA512
d25d88663e172ebfe456d28467c3763c1b1ca7f5fd3ed2146e04425737b631ce282eb4cab127e3f58e292047251df39a6e2849c7ef3d0774b290152707b9ad14

Download Submit
memory/2168-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2168-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2168-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2168-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2532-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2532-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2532-24-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download