Analysis
-
max time kernel
142s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
17/03/2023, 12:21
Static task
static1
Behavioral task
behavioral1
Sample
9c27c3c506f2c018c73d1ad20623e5d2.exe
Resource
win7-20230220-en
General
-
Target
9c27c3c506f2c018c73d1ad20623e5d2.exe
-
Size
791KB
-
MD5
9c27c3c506f2c018c73d1ad20623e5d2
-
SHA1
236c8990a2133fe0a3ca2fa0498999a85893a7b5
-
SHA256
40d1db94dc15e8042332d08a56ab9694cd27d86a124941fffd12ec4ee8dfe527
-
SHA512
911984acfe90d4d4842e84a22c50b20bb35d6caa66bd7485faa727b678cb520a11bba70585a47263cc88a95ecff115135cabf91b649e03dc4610bc818628b3e0
-
SSDEEP
24576:qLsifA9O1vvbWxmS1oiSFLKAypX/Q+UcH:qLsifu0W0iSFL3AQ7k
Malware Config
Extracted
cryptbot
http://ernwld52.top/gate.php
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ DpEditor.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ prebid.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion prebid.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion prebid.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 9c27c3c506f2c018c73d1ad20623e5d2.exe -
Executes dropped EXE 2 IoCs
pid Process 4672 prebid.exe 2040 DpEditor.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral2/files/0x000800000002312c-240.dat themida behavioral2/files/0x000800000002312c-241.dat themida behavioral2/memory/4672-242-0x00000000009A0000-0x00000000010DC000-memory.dmp themida behavioral2/memory/4672-243-0x00000000009A0000-0x00000000010DC000-memory.dmp themida behavioral2/memory/4672-244-0x00000000009A0000-0x00000000010DC000-memory.dmp themida behavioral2/memory/4672-245-0x00000000009A0000-0x00000000010DC000-memory.dmp themida behavioral2/memory/4672-246-0x00000000009A0000-0x00000000010DC000-memory.dmp themida behavioral2/memory/4672-247-0x00000000009A0000-0x00000000010DC000-memory.dmp themida behavioral2/files/0x0006000000023139-250.dat themida behavioral2/memory/2040-253-0x0000000000CA0000-0x00000000013DC000-memory.dmp themida behavioral2/memory/4672-251-0x00000000009A0000-0x00000000010DC000-memory.dmp themida behavioral2/files/0x0006000000023139-252.dat themida behavioral2/memory/2040-254-0x0000000000CA0000-0x00000000013DC000-memory.dmp themida behavioral2/memory/2040-255-0x0000000000CA0000-0x00000000013DC000-memory.dmp themida behavioral2/memory/2040-256-0x0000000000CA0000-0x00000000013DC000-memory.dmp themida behavioral2/memory/2040-257-0x0000000000CA0000-0x00000000013DC000-memory.dmp themida behavioral2/memory/2040-258-0x0000000000CA0000-0x00000000013DC000-memory.dmp themida behavioral2/memory/2040-259-0x0000000000CA0000-0x00000000013DC000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA prebid.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DpEditor.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum 9c27c3c506f2c018c73d1ad20623e5d2.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 9c27c3c506f2c018c73d1ad20623e5d2.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4672 prebid.exe 2040 DpEditor.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2128 set thread context of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 -
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 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 9c27c3c506f2c018c73d1ad20623e5d2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9c27c3c506f2c018c73d1ad20623e5d2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 9c27c3c506f2c018c73d1ad20623e5d2.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1584 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2040 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 4672 prebid.exe 4672 prebid.exe 2040 DpEditor.exe 2040 DpEditor.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 2128 wrote to memory of 3812 2128 9c27c3c506f2c018c73d1ad20623e5d2.exe 86 PID 3812 wrote to memory of 4312 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 90 PID 3812 wrote to memory of 4312 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 90 PID 3812 wrote to memory of 4312 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 90 PID 3812 wrote to memory of 3976 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 92 PID 3812 wrote to memory of 3976 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 92 PID 3812 wrote to memory of 3976 3812 9c27c3c506f2c018c73d1ad20623e5d2.exe 92 PID 4312 wrote to memory of 4672 4312 cmd.exe 94 PID 4312 wrote to memory of 4672 4312 cmd.exe 94 PID 4312 wrote to memory of 4672 4312 cmd.exe 94 PID 3976 wrote to memory of 1584 3976 cmd.exe 95 PID 3976 wrote to memory of 1584 3976 cmd.exe 95 PID 3976 wrote to memory of 1584 3976 cmd.exe 95 PID 4672 wrote to memory of 2040 4672 prebid.exe 99 PID 4672 wrote to memory of 2040 4672 prebid.exe 99 PID 4672 wrote to memory of 2040 4672 prebid.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"2⤵
- Checks computer location settings
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\prebid.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\prebid.exeC:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\prebid.exe4⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
PID:2040
-
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\SysWOW64\timeout.exetimeout -t 54⤵
- Delays execution with timeout.exe
PID:1584
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
32B
MD56bb6e374b5dbd021622648b4d4e9afc7
SHA1df356bb84780e332c960769d552f67d1f5221cce
SHA2566546a2ec37419190b5f256f2c09efd90f8dd11fe98e5ae4521f8e07ecd64a2aa
SHA51242b05356304dbbf2dd1ba7c7bc8dd2fcfc908d80fcd7c25771a3722ac946fd04575591d530e802799f8c17d9622db361f76b69c3985fd1ee63fce38777938644
-
Filesize
71KB
MD592d24961d2ebaacf1ace5463dfc9930d
SHA199ffaf6904ab616c33a37ce01d383e4a493df335
SHA2569013688dec264c615178e151c2eb5f0b2eb9fe8cfad867b311d8581d921c73f3
SHA51277598c77f219ab5234b8b84bcfe873f40e7464b224fac3c8568b300d3f2563f7ef5ad9ec5cccc0d719e7d3e489a164b04b6b36316196afea0b8051de3c751cc7
-
Filesize
2KB
MD5dce9b749d38fdc247ab517e8a76e6102
SHA1d6c5b6548e1a3da3326bd097c50c49fc7906be3f
SHA2565087b8c7f2cecceac61d7bd02b939888cf2cc5a452676f28fd5c076eb1ae7ea7
SHA51256c276f0a070da656c98520aa720994d78f1bf0bbb085a5f6fb4fd18fed2bbba1eb8e97b54d58eaa9a978d21d64678170f49c020feb19d8545d158a2d8d58446
-
Filesize
2.8MB
MD5a2ee23e1c6ca048c635bde8d197631a8
SHA19983cbd777a090b4ef2518fd40862f1925a419e9
SHA256dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67
SHA512d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6
-
Filesize
2.8MB
MD5a2ee23e1c6ca048c635bde8d197631a8
SHA19983cbd777a090b4ef2518fd40862f1925a419e9
SHA256dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67
SHA512d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6
-
Filesize
2.8MB
MD5a2ee23e1c6ca048c635bde8d197631a8
SHA19983cbd777a090b4ef2518fd40862f1925a419e9
SHA256dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67
SHA512d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6
-
Filesize
2.8MB
MD5a2ee23e1c6ca048c635bde8d197631a8
SHA19983cbd777a090b4ef2518fd40862f1925a419e9
SHA256dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67
SHA512d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6