amadey | dd71ccde692bb708b51570c549154c97f7442bc3ff6c71174ad162131609933d

Analysis

max time kernel
146s
max time network
50s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 19:12

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General

Target

amadka.exe
Size

1.8MB
MD5

659ba66a74ec143a222edd2b1bbfb55f
SHA1

195433b12a9ed1f9d9b6a7a5a200e5b722f2f95b
SHA256

dd71ccde692bb708b51570c549154c97f7442bc3ff6c71174ad162131609933d
SHA512

4cea7563ebc8863da30185111ce8d4f4394b34e36ee26546f51b52cfe434185560c8e0f8f7c8dcd852464e603e1b7a6cf85fdafca20d1e280785cbf816c9322c
SSDEEP

49152:wb4NTGSMG0TKDSBffdUtZoeS2RPkTfi6pVFnThDSbw:ws5GSfOHd0ZoeSEkTfiinZ0w

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

amadka.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	amadka.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe

Checks BIOS information in registry 2 TTPs 10 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorti.exeamadka.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	amadka.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	amadka.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

amadka.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation amadka.exe
Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1128 explorti.exe
4584 explorti.exe
860 explorti.exe
3392 explorti.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	amadka.exe

pid	process
1128	explorti.exe
4584	explorti.exe
860	explorti.exe
3392	explorti.exe

Identifies Wine through registry keys 2 TTPs 5 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exeexplorti.exeamadka.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	amadka.exe
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

amadka.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1692 amadka.exe
1128 explorti.exe
4584 explorti.exe
860 explorti.exe
3392 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

amadka.exe

description ioc process

File created C:\Windows\Tasks\explorti.job amadka.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

amadka.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1692 amadka.exe
1692 amadka.exe
1128 explorti.exe
1128 explorti.exe
4584 explorti.exe
4584 explorti.exe
860 explorti.exe
860 explorti.exe
3392 explorti.exe
3392 explorti.exe

pid	process
1692	amadka.exe
1128	explorti.exe
4584	explorti.exe
860	explorti.exe
3392	explorti.exe

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	amadka.exe

pid	process
1692	amadka.exe
1692	amadka.exe
1128	explorti.exe
1128	explorti.exe
4584	explorti.exe
4584	explorti.exe
860	explorti.exe
860	explorti.exe
3392	explorti.exe
3392	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

amadka.exe

description	pid	process	target process
PID 1692 wrote to memory of 1128	1692	amadka.exe	explorti.exe
PID 1692 wrote to memory of 1128	1692	amadka.exe	explorti.exe
PID 1692 wrote to memory of 1128	1692	amadka.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\amadka.exe
"C:\Users\Admin\AppData\Local\Temp\amadka.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1692

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1128

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4584

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:860

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3392

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.8MB

MD5
659ba66a74ec143a222edd2b1bbfb55f

SHA1
195433b12a9ed1f9d9b6a7a5a200e5b722f2f95b

SHA256
dd71ccde692bb708b51570c549154c97f7442bc3ff6c71174ad162131609933d

SHA512
4cea7563ebc8863da30185111ce8d4f4394b34e36ee26546f51b52cfe434185560c8e0f8f7c8dcd852464e603e1b7a6cf85fdafca20d1e280785cbf816c9322c

Download Submit
memory/860-39-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/860-38-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-28-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-45-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-44-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-43-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-18-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-19-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-31-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-21-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-22-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-23-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-24-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-25-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-42-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-41-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-40-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-36-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-20-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-32-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-33-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-34-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1128-35-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/1692-5-0x00000000002A0000-0x0000000000760000-memory.dmp

Filesize
4.8MB

Download
memory/1692-2-0x00000000002A1000-0x00000000002CF000-memory.dmp

Filesize
184KB

Download
memory/1692-1-0x00000000771E4000-0x00000000771E6000-memory.dmp

Filesize
8KB

Download
memory/1692-0-0x00000000002A0000-0x0000000000760000-memory.dmp

Filesize
4.8MB

Download
memory/1692-17-0x00000000002A0000-0x0000000000760000-memory.dmp

Filesize
4.8MB

Download
memory/1692-3-0x00000000002A0000-0x0000000000760000-memory.dmp

Filesize
4.8MB

Download
memory/3392-48-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/3392-47-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/4584-27-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/4584-30-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download
memory/4584-29-0x0000000000160000-0x0000000000620000-memory.dmp

Filesize
4.8MB

Download