e5a1db0d5caeb1d7661ae6e7f1b5708dd8797708490abf45bf759f2ab060ba52

Analysis

max time kernel
135s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2023, 22:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

pr923071.exe
Size

405KB
MD5

3bad98a281a91da6db58e85316ce1a02
SHA1

443480c0b2787a6e31966e0aa468c3893d055049
SHA256

e5a1db0d5caeb1d7661ae6e7f1b5708dd8797708490abf45bf759f2ab060ba52
SHA512

fbd9310340d64716968419de2c27b661761c01989f03866c15dbb8e3d87f40fa08adf139ca954dfd21a2a5f71254cabf7675771a80486fbb1d133eb158aaad3b
SSDEEP

6144:oQWwbRayvL6xJxnl8A9vI+fOcR7v+NyjhAfKtTk:zWwMyz6xJxl80vI+fOcRT+NkOfKtTk

Score

10^/10

evasion trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	pr923071.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	pr923071.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	pr923071.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	pr923071.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	pr923071.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	pr923071.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	pr923071.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	pr923071.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4136	444	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
444	pr923071.exe
444	pr923071.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	444	pr923071.exe

C:\Users\Admin\AppData\Local\Temp\pr923071.exe
"C:\Users\Admin\AppData\Local\Temp\pr923071.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 1000
  2⤵
  - Program crash
  PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 444 -ip 444
1⤵
PID:1704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/444-134-0x0000000000990000-0x00000000009BD000-memory.dmp

Filesize
180KB

Download
memory/444-135-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/444-136-0x0000000004F90000-0x0000000005534000-memory.dmp

Filesize
5.6MB

Download
memory/444-138-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-137-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-140-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-142-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-144-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-146-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-148-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-150-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-152-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-154-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-156-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-158-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-160-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-162-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-164-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/444-165-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/444-167-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download