Analysis
- max time kernel
148s - max time network
148s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
27/01/2022, 22:17
Static task
static1
Behavioral task
behavioral1
Sample
Quote_PDF.vbs
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Quote_PDF.vbs
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
- Target Quote_PDF.vbs
- Size 444KB
- Sample220127-17cd1sccd7
- SHA256 8dba6450d3ff2ac99d519d8f75affdcbb25bf5743e265246e0bfedd60a325a28
- MD5 d9f992f8020aa3a3bf5053657ae2b4e1
- SHA1 04862f6295b1f63466eac99adbe9f28f678b4aab
- SHA512 1f632773295db7dd8a30370a66f29bbcd10485f0483b616ae6e736020d6144cb345e992cd6101da50c70ae078d79de42afd9b1b6e33fd90ced49b0e81207199a
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Contains code to disable Windows Defender 5 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/files/0x000800000001ab1b-118.dat disable_win_def behavioral2/files/0x000800000001ab1b-119.dat disable_win_def behavioral2/memory/3864-120-0x00000000000C0000-0x00000000000E4000-memory.dmp disable_win_def behavioral2/files/0x000700000001ab1f-128.dat disable_win_def behavioral2/files/0x000700000001ab1f-129.dat disable_win_def - StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty Payload 3 IoCs
resource yara_rule behavioral2/files/0x000700000001ab1e-121.dat family_stormkitty behavioral2/files/0x000700000001ab1e-122.dat family_stormkitty behavioral2/memory/3204-123-0x0000000000540000-0x0000000000570000-memory.dmp family_stormkitty - Async RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x000800000001ab1b-118.dat asyncrat behavioral2/files/0x000800000001ab1b-119.dat asyncrat behavioral2/memory/3864-120-0x00000000000C0000-0x00000000000E4000-memory.dmp asyncrat behavioral2/files/0x000700000001ab1e-121.dat asyncrat behavioral2/files/0x000700000001ab1e-122.dat asyncrat behavioral2/memory/3204-123-0x0000000000540000-0x0000000000570000-memory.dmp asyncrat behavioral2/files/0x000700000001ab1f-128.dat asyncrat behavioral2/files/0x000700000001ab1f-129.dat asyncrat - Executes dropped EXE 3 IoCs
pid Process 3864 file.exe 3204 name.exe 192 word.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops desktop.ini file(s) 9 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini name.exe File opened for modification C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini name.exe File created C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini name.exe File created C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini name.exe File created C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini name.exe File opened for modification C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini name.exe File created C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini name.exe File opened for modification C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini name.exe File created C:\Users\Admin\AppData\Local\d1177b714d25f8c715ef9e5ea394ef45\Admin@MHKKHUYI_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini name.exe - 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 19 icanhazip.com - Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 name.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier name.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2660 schtasks.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\Local Settings file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 3864 file.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 192 word.exe 3204 name.exe 3204 name.exe 3204 name.exe 3204 name.exe 3204 name.exe 3204 name.exe 3204 name.exe 3204 name.exe 3204 name.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3204 name.exe Token: SeDebugPrivilege 3864 file.exe Token: SeDebugPrivilege 192 word.exe - Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2716 wrote to memory of 3864 2716 WScript.exe 69 PID 2716 wrote to memory of 3864 2716 WScript.exe 69 PID 2716 wrote to memory of 3204 2716 WScript.exe 70 PID 2716 wrote to memory of 3204 2716 WScript.exe 70 PID 2716 wrote to memory of 3204 2716 WScript.exe 70 PID 3864 wrote to memory of 1028 3864 file.exe 74 PID 3864 wrote to memory of 1028 3864 file.exe 74 PID 1028 wrote to memory of 2660 1028 WScript.exe 75 PID 1028 wrote to memory of 2660 1028 WScript.exe 75 PID 3864 wrote to memory of 192 3864 file.exe 77 PID 3864 wrote to memory of 192 3864 file.exe 77 PID 3204 wrote to memory of 1372 3204 name.exe 79 PID 3204 wrote to memory of 1372 3204 name.exe 79 PID 3204 wrote to memory of 1372 3204 name.exe 79 PID 1372 wrote to memory of 2484 1372 cmd.exe 81 PID 1372 wrote to memory of 2484 1372 cmd.exe 81 PID 1372 wrote to memory of 2484 1372 cmd.exe 81 PID 1372 wrote to memory of 1812 1372 cmd.exe 82 PID 1372 wrote to memory of 1812 1372 cmd.exe 82 PID 1372 wrote to memory of 1812 1372 cmd.exe 82 PID 1372 wrote to memory of 1772 1372 cmd.exe 83 PID 1372 wrote to memory of 1772 1372 cmd.exe 83 PID 1372 wrote to memory of 1772 1372 cmd.exe 83 PID 3204 wrote to memory of 2068 3204 name.exe 84 PID 3204 wrote to memory of 2068 3204 name.exe 84 PID 3204 wrote to memory of 2068 3204 name.exe 84 PID 2068 wrote to memory of 1976 2068 cmd.exe 86 PID 2068 wrote to memory of 1976 2068 cmd.exe 86 PID 2068 wrote to memory of 1976 2068 cmd.exe 86 PID 2068 wrote to memory of 1580 2068 cmd.exe 87 PID 2068 wrote to memory of 1580 2068 cmd.exe 87 PID 2068 wrote to memory of 1580 2068 cmd.exe 87
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Quote_PDF.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tmpC8EE.tmp.vbs"3⤵
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc onlogon /rl highest /tn word.exe /tr "C:\Users\Admin\AppData\Roaming\word.exe4⤵
- Creates scheduled task(s)
PID:2660
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C:\Users\Admin\AppData\Roaming\word.exe"C:\Users\Admin\AppData\Roaming\word.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:192
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C:\Users\Admin\AppData\Local\Temp\name.exe"C:\Users\Admin\AppData\Local\Temp\name.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All3⤵
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:2484
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile4⤵PID:1812
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵PID:1772
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid3⤵
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:1976
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid4⤵PID:1580
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:916
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3232