9f09d25b2756d813c2e9a1f609504b729cbda76248c0a12061cc15456f56730b

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 20:43

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General

Target

Trojan-Ransom.Win32.Blocker.exe
Size

148KB
MD5

73a9ab2ea9ec4eaf45bce88afc7ee87e
SHA1

bb8d963421491d6c20ae6082b383ddeebf3981e4
SHA256

9f09d25b2756d813c2e9a1f609504b729cbda76248c0a12061cc15456f56730b
SHA512

34006fdfd74295850185b1c3daf36220ede5bd171241df9f89474fd74df571fe0d432b7e98abdbf284595d69e661eb148e055ac7ca9b8a1bb37960974311ee0e
SSDEEP

3072:tYcIDc20Qr0AGFDRlt98XSPmLmUQuywCXbx:tYlDcVQQAmlltCXEG8f

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\681de19.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*81de1 = "C:\\681de19\\681de19.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\681de19 = "C:\\Users\\Admin\\AppData\\Roaming\\681de19.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*81de19 = "C:\\Users\\Admin\\AppData\\Roaming\\681de19.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\681de1 = "C:\\681de19\\681de19.exe"	explorer.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Trojan-Ransom.Win32.Blocker.INI	Trojan-Ransom.Win32.Blocker.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4964	Trojan-Ransom.Win32.Blocker.exe
4180	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4964	Trojan-Ransom.Win32.Blocker.exe
4964	Trojan-Ransom.Win32.Blocker.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4180	4964	Trojan-Ransom.Win32.Blocker.exe	81
PID 4964 wrote to memory of 4180	4964	Trojan-Ransom.Win32.Blocker.exe	81
PID 4964 wrote to memory of 4180	4964	Trojan-Ransom.Win32.Blocker.exe	81
PID 4180 wrote to memory of 4328	4180	explorer.exe	82
PID 4180 wrote to memory of 4328	4180	explorer.exe	82
PID 4180 wrote to memory of 4328	4180	explorer.exe	82

C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Windows\SysWOW64\svchost.exe
    -k netsvcs
    3⤵
    PID:4328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4180-136-0x0000000000540000-0x0000000000560000-memory.dmp

Filesize
128KB

Download
memory/4328-138-0x00000000001C0000-0x00000000001E0000-memory.dmp

Filesize
128KB

Download
memory/4328-139-0x00000000001C0000-0x00000000001E0000-memory.dmp

Filesize
128KB

Download
memory/4964-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4964-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download