betabot | 60b290310f67adb0ae186b4b938ca466a6b55653b2519261fa425127f5500a1f

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21-06-2024 19:37

240621-yca7cszgnd 10

09-06-2024 17:07

13-05-2024 17:36

12-05-2024 17:17

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10-05-2024 18:05

10-05-2024 17:48

Analysis

max time kernel
124s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09-06-2024 17:07

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General

Target

Trojan/BetaBot.exe
Size

609KB
MD5

347d7700eb4a4537df6bb7492ca21702
SHA1

983189dab4b523e19f8efd35eee4d7d43d84aca2
SHA256

a9963808a1a358d6ee26ab88bdab4add50512de1a863aa79937815444ee64da8
SHA512

5efb1bce5b5fe74c886126c7bf3627628842a73d31550aee61b71e462b0cc4256b07ae2dc8c207917c5e134c15b8b1d5f3bbbd76724a9b12188f32ba48c25ac9
SSDEEP

12288:Y71ezsKspcx7aSekHeX/BoVrWyrl/XYUx58wT7tRw:IYzsDyAS/HeyWql/XYUz8wTDw

Score

10^/10

betabot modiloader backdoor botnet evasion persistence trojan

Malware Config

Signatures

BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
trojan backdoor botnet betabot
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	explorer.exe

ModiLoader Second Stage 2 IoCs

Processes:

resource	yara_rule
behavioral28/memory/2460-1-0x0000000000400000-0x000000000049F000-memory.dmp	modiloader_stage2
behavioral28/memory/4156-12-0x0000000001200000-0x0000000001302000-memory.dmp	modiloader_stage2

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exeBetaBot.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "bkbqtuosgg.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\e1wkgik7o7gq3s5.exe	BetaBot.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\e1wkgik7o7gq3s5.exe\DisableExceptionChainValidation	BetaBot.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe	explorer.exe

Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

explorer.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 5.0 = "C:\\ProgramData\\Google Updater 5.0\\e1wkgik7o7gq3s5.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Updater 5.0 = "\"C:\\ProgramData\\Google Updater 5.0\\e1wkgik7o7gq3s5.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

BetaBot.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA BetaBot.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

BetaBot.exeexplorer.exe

pid process

5100 BetaBot.exe
4156 explorer.exe
4156 explorer.exe
4156 explorer.exe
4156 explorer.exe
4156 explorer.exe
4156 explorer.exe
4156 explorer.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

BetaBot.exe

description pid process target process

PID 2460 set thread context of 5100 2460 BetaBot.exe BetaBot.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

440 4156 WerFault.exe explorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	BetaBot.exe

pid	process
5100	BetaBot.exe
4156	explorer.exe
4156	explorer.exe
4156	explorer.exe
4156	explorer.exe
4156	explorer.exe
4156	explorer.exe
4156	explorer.exe

description	pid	process	target process
PID 2460 set thread context of 5100	2460	BetaBot.exe	BetaBot.exe

pid	pid_target	process	target process
440	4156	WerFault.exe	explorer.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

BetaBot.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	BetaBot.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BetaBot.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

explorer.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	explorer.exe

Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

explorer.exe

description ioc process

Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main explorer.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

explorer.exe

pid process

4156 explorer.exe
4156 explorer.exe
4156 explorer.exe
4156 explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

BetaBot.exe

pid process

5100 BetaBot.exe
5100 BetaBot.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

BetaBot.exe

pid process

5100 BetaBot.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

pid	process
4156	explorer.exe
4156	explorer.exe
4156	explorer.exe
4156	explorer.exe

pid	process
5100	BetaBot.exe
5100	BetaBot.exe

pid	process
5100	BetaBot.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

BetaBot.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	5100	BetaBot.exe
Token: SeRestorePrivilege	5100	BetaBot.exe
Token: SeBackupPrivilege	5100	BetaBot.exe
Token: SeLoadDriverPrivilege	5100	BetaBot.exe
Token: SeCreatePagefilePrivilege	5100	BetaBot.exe
Token: SeShutdownPrivilege	5100	BetaBot.exe
Token: SeTakeOwnershipPrivilege	5100	BetaBot.exe
Token: SeChangeNotifyPrivilege	5100	BetaBot.exe
Token: SeCreateTokenPrivilege	5100	BetaBot.exe
Token: SeMachineAccountPrivilege	5100	BetaBot.exe
Token: SeSecurityPrivilege	5100	BetaBot.exe
Token: SeAssignPrimaryTokenPrivilege	5100	BetaBot.exe
Token: SeCreateGlobalPrivilege	5100	BetaBot.exe
Token: 33	5100	BetaBot.exe
Token: SeDebugPrivilege	4156	explorer.exe
Token: SeRestorePrivilege	4156	explorer.exe
Token: SeBackupPrivilege	4156	explorer.exe
Token: SeLoadDriverPrivilege	4156	explorer.exe
Token: SeCreatePagefilePrivilege	4156	explorer.exe
Token: SeShutdownPrivilege	4156	explorer.exe
Token: SeTakeOwnershipPrivilege	4156	explorer.exe
Token: SeChangeNotifyPrivilege	4156	explorer.exe
Token: SeCreateTokenPrivilege	4156	explorer.exe
Token: SeMachineAccountPrivilege	4156	explorer.exe
Token: SeSecurityPrivilege	4156	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	4156	explorer.exe
Token: SeCreateGlobalPrivilege	4156	explorer.exe
Token: 33	4156	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

BetaBot.exeBetaBot.exe

description	pid	process	target process
PID 2460 wrote to memory of 5100	2460	BetaBot.exe	BetaBot.exe
PID 2460 wrote to memory of 5100	2460	BetaBot.exe	BetaBot.exe
PID 2460 wrote to memory of 5100	2460	BetaBot.exe	BetaBot.exe
PID 2460 wrote to memory of 5100	2460	BetaBot.exe	BetaBot.exe
PID 2460 wrote to memory of 5100	2460	BetaBot.exe	BetaBot.exe
PID 5100 wrote to memory of 4156	5100	BetaBot.exe	explorer.exe
PID 5100 wrote to memory of 4156	5100	BetaBot.exe	explorer.exe
PID 5100 wrote to memory of 4156	5100	BetaBot.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2460

C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan\BetaBot.exe"
2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 1144
4⤵
- Program crash
PID:440

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4176,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3896 /prefetch:8
1⤵
PID:1044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4156 -ip 4156
1⤵
PID:4116

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/2460-1-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/4156-9-0x0000000000B90000-0x0000000000FC4000-memory.dmp

Filesize
4.2MB

Download
memory/4156-11-0x0000000000B90000-0x0000000000FC4000-memory.dmp

Filesize
4.2MB

Download
memory/4156-14-0x0000000000B90000-0x0000000000FC3000-memory.dmp

Filesize
4.2MB

Download
memory/4156-12-0x0000000001200000-0x0000000001302000-memory.dmp

Filesize
1.0MB

Download
memory/5100-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5100-3-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5100-4-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5100-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5100-7-0x0000000002150000-0x00000000021B6000-memory.dmp

Filesize
408KB

Download