0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01

Analysis

max time kernel
150s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08-06-2023 03:01

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General

Target

0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe
Size

121KB
MD5

29f9e8ea69a226bb4acf208d2ac12d40
SHA1

93da174c327b3ffc765d5b21bd55b500ea7f47bf
SHA256

0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01
SHA512

8b917e929c4b9d478e4e8671988277d61ee4a542535906e51f6bf4aceb40bb1d4e80ee728baf7e96f1dd6fb4ec7c53fc379c8cdbc63483bed2ecc31401e17bf5
SSDEEP

3072:K9QLdsON8xxwaTq29LuQ/PLfWvI8oyhuWVFrag1shburtvx:MQLvN8VTT/xWVFmZhirt

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6C787EBA-A8AD-4EC5-9914-C76BF1C3B73A}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{864A8CF2-7909-495B-A3D1-416B3E7C17AC}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 4672	4740	0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3876	4740	WerFault.exe	78

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4672	AppLaunch.exe
4672	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4672	AppLaunch.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4672	4740	0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe	83
PID 4740 wrote to memory of 4672	4740	0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe	83
PID 4740 wrote to memory of 4672	4740	0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe	83
PID 4740 wrote to memory of 4672	4740	0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe	83
PID 4740 wrote to memory of 4672	4740	0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe	83

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe
"C:\Users\Admin\AppData\Local\Temp\0a478c915b4ba2086b09bde6c321cdeb3325404ae5dcfd447ee9afd3d5986d01.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4740
- 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:4672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 156
  2⤵
  - Program crash
  PID:3876

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4740 -ip 4740
1⤵
PID:3128

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4672-133-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

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