337b9f5f13ee874ebe70fd5468725b638eb7b62c4f8c91a6e2a7deab8f5edbb6

Analysis

max time kernel
119s
max time network
122s
platform
windows10_x64
resource
win10-en-20210920
submitted
02/10/2021, 15:59

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General

Target
5ce78e6071a3d4398df69c1812a979b9.exe
Size 347KB
Sample211002-te38psefcl
SHA256 337b9f5f13ee874ebe70fd5468725b638eb7b62c4f8c91a6e2a7deab8f5edbb6
MD5 5ce78e6071a3d4398df69c1812a979b9
SHA1 9794286bcc437147a847a0ae0e9b6c53c6321ca6
SHA512 2e4a4114bcd04d6b6ddeeaefea11d214f57b7efa74d87f73022bd0e552b3c25a07991952781a622492ab79048d1d74fddcf847720765de73973b407778fa18cb
MD5 SHA1 SHA512

Score

10^/10

discovery evasion persistence spyware stealer suricata themida trojan

Malware Config

Signatures

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Blocklisted process makes network request 4 IoCs

flow	pid	Process
29	1684	WScript.exe
31	1684	WScript.exe
33	1684	WScript.exe
35	1684	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 6 IoCs

pid	Process
2464	File.exe
4024	kelpie.exe
4076	poteye.exe
4396	IntelRapid.exe
2172	Ben.exe.com
3804	Ben.exe.com

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS 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\SystemBiosVersion	poteye.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	poteye.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	IntelRapid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	IntelRapid.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IntelRapid.lnk	poteye.exe

Loads dropped DLL 1 IoCs

pid	Process
2464	File.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x000500000001abb4-141.dat	themida
behavioral2/files/0x000500000001abb4-140.dat	themida
behavioral2/memory/4076-143-0x00007FF7D1590000-0x00007FF7D1EAD000-memory.dmp	themida
behavioral2/files/0x000500000001abb0-150.dat	themida
behavioral2/files/0x000500000001abb0-149.dat	themida
behavioral2/memory/4396-155-0x00007FF75C980000-0x00007FF75D29D000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	kelpie.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	kelpie.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	poteye.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	IntelRapid.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4076	poteye.exe
4396	IntelRapid.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	File.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	File.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	File.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Ben.exe.com
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5ce78e6071a3d4398df69c1812a979b9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5ce78e6071a3d4398df69c1812a979b9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Ben.exe.com

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3944	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000_Classes\Local Settings	Ben.exe.com

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	WScript.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WScript.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3712	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4396	IntelRapid.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2172	Ben.exe.com
2172	Ben.exe.com
2172	Ben.exe.com
3804	Ben.exe.com
3804	Ben.exe.com
3804	Ben.exe.com

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
2172	Ben.exe.com
2172	Ben.exe.com
2172	Ben.exe.com
3804	Ben.exe.com
3804	Ben.exe.com
3804	Ben.exe.com

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 2464	3596	5ce78e6071a3d4398df69c1812a979b9.exe	70
PID 3596 wrote to memory of 2464	3596	5ce78e6071a3d4398df69c1812a979b9.exe	70
PID 3596 wrote to memory of 2464	3596	5ce78e6071a3d4398df69c1812a979b9.exe	70
PID 3596 wrote to memory of 3604	3596	5ce78e6071a3d4398df69c1812a979b9.exe	71
PID 3596 wrote to memory of 3604	3596	5ce78e6071a3d4398df69c1812a979b9.exe	71
PID 3596 wrote to memory of 3604	3596	5ce78e6071a3d4398df69c1812a979b9.exe	71
PID 3604 wrote to memory of 3944	3604	cmd.exe	73
PID 3604 wrote to memory of 3944	3604	cmd.exe	73
PID 3604 wrote to memory of 3944	3604	cmd.exe	73
PID 2464 wrote to memory of 4024	2464	File.exe	74
PID 2464 wrote to memory of 4024	2464	File.exe	74
PID 2464 wrote to memory of 4024	2464	File.exe	74
PID 2464 wrote to memory of 4076	2464	File.exe	75
PID 2464 wrote to memory of 4076	2464	File.exe	75
PID 4024 wrote to memory of 4240	4024	kelpie.exe	76
PID 4024 wrote to memory of 4240	4024	kelpie.exe	76
PID 4024 wrote to memory of 4240	4024	kelpie.exe	76
PID 4024 wrote to memory of 4256	4024	kelpie.exe	77
PID 4024 wrote to memory of 4256	4024	kelpie.exe	77
PID 4024 wrote to memory of 4256	4024	kelpie.exe	77
PID 4256 wrote to memory of 4420	4256	cmd.exe	79
PID 4256 wrote to memory of 4420	4256	cmd.exe	79
PID 4256 wrote to memory of 4420	4256	cmd.exe	79
PID 4420 wrote to memory of 4488	4420	cmd.exe	80
PID 4420 wrote to memory of 4488	4420	cmd.exe	80
PID 4420 wrote to memory of 4488	4420	cmd.exe	80
PID 4076 wrote to memory of 4396	4076	poteye.exe	81
PID 4076 wrote to memory of 4396	4076	poteye.exe	81
PID 4420 wrote to memory of 2172	4420	cmd.exe	82
PID 4420 wrote to memory of 2172	4420	cmd.exe	82
PID 4420 wrote to memory of 2172	4420	cmd.exe	82
PID 4420 wrote to memory of 3712	4420	cmd.exe	83
PID 4420 wrote to memory of 3712	4420	cmd.exe	83
PID 4420 wrote to memory of 3712	4420	cmd.exe	83
PID 2172 wrote to memory of 3804	2172	Ben.exe.com	84
PID 2172 wrote to memory of 3804	2172	Ben.exe.com	84
PID 2172 wrote to memory of 3804	2172	Ben.exe.com	84
PID 3804 wrote to memory of 1044	3804	Ben.exe.com	86
PID 3804 wrote to memory of 1044	3804	Ben.exe.com	86
PID 3804 wrote to memory of 1044	3804	Ben.exe.com	86
PID 3804 wrote to memory of 1684	3804	Ben.exe.com	89
PID 3804 wrote to memory of 1684	3804	Ben.exe.com	89
PID 3804 wrote to memory of 1684	3804	Ben.exe.com	89

C:\Users\Admin\AppData\Local\Temp\5ce78e6071a3d4398df69c1812a979b9.exe
"C:\Users\Admin\AppData\Local\Temp\5ce78e6071a3d4398df69c1812a979b9.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Users\Admin\AppData\Local\Temp\File.exe
  "C:\Users\Admin\AppData\Local\Temp\File.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Users\Admin\AppData\Local\Temp\pigpen\kelpie.exe
    "C:\Users\Admin\AppData\Local\Temp\pigpen\kelpie.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4024
  - - C:\Windows\SysWOW64\dllhost.exe
      dllhost.exe
      4⤵
      PID:4240
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c cmd < Fermissimo.pdf
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4256
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4420
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^afJduNjjhkefmZQnvawgNTCdbfqmghavFspRqPvqfeoWRVfnKVmzggKmMzSRNMYZTGJoQYnHWqYLLGmCqCPaOZodGJtGWFjCtoekkuILbSbhfZOuT$" Desideri.pdf
        6⤵
        
        PID:4488
      - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ben.exe.com
        
        Ben.exe.com z
        6⤵
        Executes dropped EXE
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:2172
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ben.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ben.exe.com z
        7⤵
        Executes dropped EXE
        Checks processor information in registry
        Modifies registry class
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:3804
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dflhtcmya.vbs"
        8⤵
        
        PID:1044
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ldgyvqtjhc.vbs"
        8⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:1684
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1
        6⤵
        Runs ping.exe
        
        PID:3712
- - C:\Users\Admin\AppData\Local\Temp\pigpen\poteye.exe
    "C:\Users\Admin\AppData\Local\Temp\pigpen\poteye.exe"
    3⤵
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Drops startup file
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of WriteProcessMemory
    PID:4076
  - - C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
      4⤵
      Executes dropped EXE
      Checks BIOS information in registry
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: AddClipboardFormatListener
      PID:4396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\LTUMvqsP & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5ce78e6071a3d4398df69c1812a979b9.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3604
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:3944