70d01c6918c07b4cd0daa9b2c688fbd7e0e2e6f77831c9bd351be29a7991e1d3

Analysis

max time kernel
119s
max time network
123s
platform
windows10_x64
resource
win10-en-20210920
submitted
02/10/2021, 15:55

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General

Target
9a745c32c2018a757b999cc46ab1f4cc.exe
Size 341KB
Sample211002-tcsdesefbl
SHA256 70d01c6918c07b4cd0daa9b2c688fbd7e0e2e6f77831c9bd351be29a7991e1d3
MD5 9a745c32c2018a757b999cc46ab1f4cc
SHA1 18519bc309e8d7582f7840a2ff1b4f12efb54e30
SHA512 4ba70a6563b72073cf00bef79f3c6df1347faf6fd9ea7c69e6eb43e849b1f997a5935e4d290e7ae36ff26dcd28c0793a5e67a4b90ebd2d34d4d5c9600644e423
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
25	3820	WScript.exe
27	3820	WScript.exe
29	3820	WScript.exe
31	3820	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
3824	File.exe
1404	kelpie.exe
1280	poteye.exe
672	IntelRapid.exe
1584	Ben.exe.com
3592	Ben.exe.com
1484	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
3824	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/0x000500000001abb4-140.dat	themida
behavioral2/files/0x000500000001abb4-141.dat	themida
behavioral2/memory/1280-144-0x00007FF6F8CF0000-0x00007FF6F960D000-memory.dmp	themida
behavioral2/files/0x000500000001abb8-150.dat	themida
behavioral2/files/0x000500000001abb8-151.dat	themida
behavioral2/memory/672-157-0x00007FF7C2A30000-0x00007FF7C334D000-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
11	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1280	poteye.exe
672	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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9a745c32c2018a757b999cc46ab1f4cc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9a745c32c2018a757b999cc46ab1f4cc.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Ben.exe.com
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Ben.exe.com

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3620	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
712	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
672	IntelRapid.exe

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
1584	Ben.exe.com
1584	Ben.exe.com
1584	Ben.exe.com
3592	Ben.exe.com
3592	Ben.exe.com
3592	Ben.exe.com
1484	Ben.exe.com
1484	Ben.exe.com
1484	Ben.exe.com

Suspicious use of SendNotifyMessage 9 IoCs

pid	Process
1584	Ben.exe.com
1584	Ben.exe.com
1584	Ben.exe.com
3592	Ben.exe.com
3592	Ben.exe.com
3592	Ben.exe.com
1484	Ben.exe.com
1484	Ben.exe.com
1484	Ben.exe.com

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3824	2524	9a745c32c2018a757b999cc46ab1f4cc.exe	70
PID 2524 wrote to memory of 3824	2524	9a745c32c2018a757b999cc46ab1f4cc.exe	70
PID 2524 wrote to memory of 3824	2524	9a745c32c2018a757b999cc46ab1f4cc.exe	70
PID 2524 wrote to memory of 3768	2524	9a745c32c2018a757b999cc46ab1f4cc.exe	71
PID 2524 wrote to memory of 3768	2524	9a745c32c2018a757b999cc46ab1f4cc.exe	71
PID 2524 wrote to memory of 3768	2524	9a745c32c2018a757b999cc46ab1f4cc.exe	71
PID 3768 wrote to memory of 3620	3768	cmd.exe	73
PID 3768 wrote to memory of 3620	3768	cmd.exe	73
PID 3768 wrote to memory of 3620	3768	cmd.exe	73
PID 3824 wrote to memory of 1404	3824	File.exe	74
PID 3824 wrote to memory of 1404	3824	File.exe	74
PID 3824 wrote to memory of 1404	3824	File.exe	74
PID 3824 wrote to memory of 1280	3824	File.exe	75
PID 3824 wrote to memory of 1280	3824	File.exe	75
PID 1404 wrote to memory of 1064	1404	kelpie.exe	76
PID 1404 wrote to memory of 1064	1404	kelpie.exe	76
PID 1404 wrote to memory of 1064	1404	kelpie.exe	76
PID 1404 wrote to memory of 1184	1404	kelpie.exe	77
PID 1404 wrote to memory of 1184	1404	kelpie.exe	77
PID 1404 wrote to memory of 1184	1404	kelpie.exe	77
PID 1184 wrote to memory of 2336	1184	cmd.exe	79
PID 1184 wrote to memory of 2336	1184	cmd.exe	79
PID 1184 wrote to memory of 2336	1184	cmd.exe	79
PID 2336 wrote to memory of 1792	2336	cmd.exe	80
PID 2336 wrote to memory of 1792	2336	cmd.exe	80
PID 2336 wrote to memory of 1792	2336	cmd.exe	80
PID 1280 wrote to memory of 672	1280	poteye.exe	81
PID 1280 wrote to memory of 672	1280	poteye.exe	81
PID 2336 wrote to memory of 1584	2336	cmd.exe	82
PID 2336 wrote to memory of 1584	2336	cmd.exe	82
PID 2336 wrote to memory of 1584	2336	cmd.exe	82
PID 2336 wrote to memory of 712	2336	cmd.exe	83
PID 2336 wrote to memory of 712	2336	cmd.exe	83
PID 2336 wrote to memory of 712	2336	cmd.exe	83
PID 1584 wrote to memory of 3592	1584	Ben.exe.com	84
PID 1584 wrote to memory of 3592	1584	Ben.exe.com	84
PID 1584 wrote to memory of 3592	1584	Ben.exe.com	84
PID 3592 wrote to memory of 1484	3592	Ben.exe.com	85
PID 3592 wrote to memory of 1484	3592	Ben.exe.com	85
PID 3592 wrote to memory of 1484	3592	Ben.exe.com	85
PID 1484 wrote to memory of 2584	1484	Ben.exe.com	87
PID 1484 wrote to memory of 2584	1484	Ben.exe.com	87
PID 1484 wrote to memory of 2584	1484	Ben.exe.com	87
PID 1484 wrote to memory of 3820	1484	Ben.exe.com	90
PID 1484 wrote to memory of 3820	1484	Ben.exe.com	90
PID 1484 wrote to memory of 3820	1484	Ben.exe.com	90

C:\Users\Admin\AppData\Local\Temp\9a745c32c2018a757b999cc46ab1f4cc.exe
"C:\Users\Admin\AppData\Local\Temp\9a745c32c2018a757b999cc46ab1f4cc.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2524
- 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:3824
- - 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:1404
  - - C:\Windows\SysWOW64\dllhost.exe
      dllhost.exe
      4⤵
      PID:1064
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c cmd < Fermissimo.pdf
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1184
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2336
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^afJduNjjhkefmZQnvawgNTCdbfqmghavFspRqPvqfeoWRVfnKVmzggKmMzSRNMYZTGJoQYnHWqYLLGmCqCPaOZodGJtGWFjCtoekkuILbSbhfZOuT$" Desideri.pdf
        6⤵
        
        PID:1792
      - 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:1584
        
        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
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:3592
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ben.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ben.exe.com z
        8⤵
        Executes dropped EXE
        Checks processor information in registry
        Modifies registry class
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:1484
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\etsooxhdjjhm.vbs"
        9⤵
        
        PID:2584
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\knxxrvmracq.vbs"
        9⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:3820
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1
        6⤵
        Runs ping.exe
        
        PID:712
- - 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:1280
  - - 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:672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\VAgDOdkyUt & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\9a745c32c2018a757b999cc46ab1f4cc.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3768
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:3620