bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67

Analysis

max time kernel
50s
max time network
77s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
08/06/2023, 13:01

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General

Target

bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe
Size

148KB
MD5

7bc32db653bcfca2c9480666e4fd1d01
SHA1

fdab7d5e4c4003cc86af42e32f7d0f70c237e656
SHA256

bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67
SHA512

8af4be69467c56a956bd9167c96a97ed5977083333c9b821531bb49288ff490f6b253128da1669835254d59122fc4b3dbeff99c63fe532546940b7e127fc3084
SSDEEP

3072:UDNfk3As30+wTXASRWhPt4Ztuk9zhLTEXj13CIyhuWVFrag1dJ0yx:UD5k3As3xiutQt7eWVFmkJ0

Score

10^/10

evasion trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 2588	2132	bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe	67

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4044	2132	WerFault.exe	65

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2588	AppLaunch.exe
2588	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	AppLaunch.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2588	2132	bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe	67
PID 2132 wrote to memory of 2588	2132	bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe	67
PID 2132 wrote to memory of 2588	2132	bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe	67
PID 2132 wrote to memory of 2588	2132	bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe	67
PID 2132 wrote to memory of 2588	2132	bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe	67

C:\Users\Admin\AppData\Local\Temp\bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe
"C:\Users\Admin\AppData\Local\Temp\bc7a7538ffd28f635039a2aad3ac6dec8ba69eea74ef8ddd75c01b31f44c3c67.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2588
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 140
  2⤵
  - Program crash
  PID:4044

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/2588-121-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

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