b2b1f374822e760b574cff680d989d0f229bdaf9029acacb2449162b92bbc16b

Analysis

max time kernel
149s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 07:05

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General

Target

FIle Rustyz bot.exe
Size

592KB
MD5

9975548eab59876a15169a056766b298
SHA1

4fedf79abf2c9c42720651d41290874aeb65669b
SHA256

ab41d268755d89e45bd724912a8ef248b75ea3a877217718561e81d8785adde8
SHA512

769d7c8378c2ebcdbacf040fcf73e1940fd479edcace1a1348330720725db580c1a10d05397a4429e66d0b2fbb2dfebe4c73e7ac5de496f53f8d46779586b886
SSDEEP

12288:0DGP2qDSgnZ6nf+A7OmRQqk7RsQOBxSK4XajQYt:0Keqof3AXASXKt

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\iTunes = "C:\\Windows\\system32\\Audio\\Audio.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\iTunes = "C:\\Windows\\system32\\Audio\\Audio.exe"	iexplore.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{1SB3KFOE-T84W-Q1A7-JA21-15YOP7P4W5F5}	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1SB3KFOE-T84W-Q1A7-JA21-15YOP7P4W5F5}\StubPath = "C:\\Windows\\system32\\Audio\\Audio.exe Restart"	iexplore.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral14/memory/5068-4-0x0000000010410000-0x00000000104D4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iTunes = "C:\\Windows\\system32\\Audio\\Audio.exe"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\iTunes = "C:\\Windows\\system32\\Audio\\Audio.exe"	iexplore.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Audio\Audio.exe	iexplore.exe
File opened for modification	C:\Windows\SysWOW64\Audio\Audio.exe	iexplore.exe
File created	C:\Windows\SysWOW64\Audio\plugin.dat	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 5068	2408	FIle Rustyz bot.exe	65

Checks SCSI registry key(s) 3 TTPs 8 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Phantom	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000002	iexplore.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Phantom	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	iexplore.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	iexplore.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000001	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5068	FIle Rustyz bot.exe
5068	FIle Rustyz bot.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	FIle Rustyz bot.exe
Token: SeDebugPrivilege	5068	FIle Rustyz bot.exe
Token: SeDebugPrivilege	3596	iexplore.exe
Token: SeDebugPrivilege	3596	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 2408 wrote to memory of 5068	2408	FIle Rustyz bot.exe	65
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80
PID 5068 wrote to memory of 3596	5068	FIle Rustyz bot.exe	80

C:\Users\Admin\AppData\Local\Temp\FIle Rustyz bot.exe
"C:\Users\Admin\AppData\Local\Temp\FIle Rustyz bot.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\AppData\Local\Temp\FIle Rustyz bot.exe
  "C:\Users\Admin\AppData\Local\Temp\FIle Rustyz bot.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    - Drops file in System32 directory
    - Checks SCSI registry key(s)
    - Suspicious use of AdjustPrivilegeToken
    PID:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5068-1-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5068-2-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5068-0-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/5068-4-0x0000000010410000-0x00000000104D4000-memory.dmp

Filesize
784KB

Download
memory/5068-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download