7f33e37d7a6099f786205c568260d4bbc03a389cc31d646bd200a1028eaccc34

Analysis

max time kernel
139s
max time network
46s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 18:46

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General

Target

Trojan-Ransom.Win32.Blocker.exe
Size

1.8MB
MD5

e1534eea65651abeedba53778e4b7baa
SHA1

c7caf039101b067c95950305b256c6748768a41d
SHA256

7f33e37d7a6099f786205c568260d4bbc03a389cc31d646bd200a1028eaccc34
SHA512

331dca2b119f5d1355909b343cb4d98d57a8710830db038292c9c86bf5719fbc61a843daf97ee413480ade14180de12d815dfea8d39a84c72a6632054b1eef9c
SSDEEP

49152:mCL0fde68iIZPHUApq1L0tHoKvjLnWkS2cPyJmntIFspiL:BLHP1O0tHP3XS7aJqgspi

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Trojan-Ransom.Win32.Blocker.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\drivers\06F8104D.sys	Trojan-Ransom.Win32.Blocker.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\06F8104D\ImagePath = "system32\\drivers\\06F8104D.sys"	Trojan-Ransom.Win32.Blocker.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	Trojan-Ransom.Win32.Blocker.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\explore.exe"	Trojan-Ransom.Win32.Blocker.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Trojan-Ransom.Win32.Blocker.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1300	1000	WerFault.exe	26

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 1300	1000	Trojan-Ransom.Win32.Blocker.exe	27
PID 1000 wrote to memory of 1300	1000	Trojan-Ransom.Win32.Blocker.exe	27
PID 1000 wrote to memory of 1300	1000	Trojan-Ransom.Win32.Blocker.exe	27
PID 1000 wrote to memory of 1300	1000	Trojan-Ransom.Win32.Blocker.exe	27

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	Trojan-Ransom.Win32.Blocker.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Trojan-Ransom.Win32.Blocker.exe

C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"
1⤵
- UAC bypass
- Drops file in Drivers directory
- Sets service image path in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 524
  2⤵
  - Program crash
  PID:1300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1000-54-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/1000-55-0x0000000000400000-0x00000000015A3000-memory.dmp

Filesize
17.6MB

Download
memory/1000-56-0x0000000000280000-0x00000000002C7000-memory.dmp

Filesize
284KB

Download
memory/1000-57-0x00000000015B0000-0x0000000001633000-memory.dmp

Filesize
524KB

Download
memory/1000-59-0x0000000000400000-0x00000000015A3000-memory.dmp

Filesize
17.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads