53cf609519bea60c58b13034048165fe814d156804cf40d8438e9a93d3714a86

Analysis

max time kernel
126s
max time network
263s
platform
windows10-1703_x64
resource
win10-20230703-en
resource tags

arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
submitted
04/07/2023, 03:23

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General

Target

k7916533.exe
Size

101KB
MD5

bf73cefe691e09b8bb989c20a10117d9
SHA1

3bf33d6f46142cb19f5942cef0764b60c3dab571
SHA256

53cf609519bea60c58b13034048165fe814d156804cf40d8438e9a93d3714a86
SHA512

7139525ef2392506506e880ecbb8cd89620d767d435bedd2a8d4478ae4de50a99aea2995a32a444de31c37bea498bd561593528daf6f4670a0a412cba62c8e0d
SSDEEP

1536:Ws+ZC9I5jczZs3AUEXK6kcZW1nl/XyE/3JX4TKSp7qQwH7PxM:WsutlmFUQBKl/XyEdCKSpejxM

Score

10^/10

evasion trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral2/memory/2404-120-0x00000000004B0000-0x00000000004BA000-memory.dmp	healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k7916533.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k7916533.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k7916533.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k7916533.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k7916533.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k7916533.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k7916533.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2404	k7916533.exe
2404	k7916533.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	k7916533.exe

C:\Users\Admin\AppData\Local\Temp\k7916533.exe
"C:\Users\Admin\AppData\Local\Temp\k7916533.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404

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

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Downloads

memory/2404-120-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

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