amadey | dd71ccde692bb708b51570c549154c97f7442bc3ff6c71174ad162131609933d

Analysis

max time kernel
142s
max time network
124s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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 stealc 4dd39d default discovery evasion spyware stealer 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

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Stealc
Stealc is an infostealer written in C++.
stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

amadka.exeexplorti.exeDHJDAKEGDB.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__	DHJDAKEGDB.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

DHJDAKEGDB.exeamadka.exeexplorti.exe

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

Executes dropped EXE 3 IoCs

Processes:

explorti.exe5b7bee6d1d.exeDHJDAKEGDB.exe

pid process

2612 explorti.exe
2388 5b7bee6d1d.exe
488 DHJDAKEGDB.exe

pid	process
2612	explorti.exe
2388	5b7bee6d1d.exe
488	DHJDAKEGDB.exe

Identifies Wine through registry keys 2 TTPs 3 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:

amadka.exeexplorti.exeDHJDAKEGDB.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	amadka.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	DHJDAKEGDB.exe

Loads dropped DLL 6 IoCs

Processes:

amadka.exeexplorti.exe5b7bee6d1d.execmd.exe

pid process

2188 amadka.exe
2612 explorti.exe
2612 explorti.exe
2388 5b7bee6d1d.exe
2388 5b7bee6d1d.exe
2256 cmd.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

amadka.exeexplorti.exe5b7bee6d1d.exeDHJDAKEGDB.exe

pid process

2188 amadka.exe
2612 explorti.exe
2388 5b7bee6d1d.exe
2388 5b7bee6d1d.exe
488 DHJDAKEGDB.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

pid	process
2188	amadka.exe
2612	explorti.exe
2612	explorti.exe
2388	5b7bee6d1d.exe
2388	5b7bee6d1d.exe
2256	cmd.exe

pid	process
2188	amadka.exe
2612	explorti.exe
2388	5b7bee6d1d.exe
2388	5b7bee6d1d.exe
488	DHJDAKEGDB.exe

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

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

5b7bee6d1d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5b7bee6d1d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5b7bee6d1d.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

amadka.exeexplorti.exe5b7bee6d1d.exeDHJDAKEGDB.exe

pid process

2188 amadka.exe
2612 explorti.exe
2388 5b7bee6d1d.exe
2388 5b7bee6d1d.exe
488 DHJDAKEGDB.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

amadka.exe

pid process

2188 amadka.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5b7bee6d1d.exe

pid process

2388 5b7bee6d1d.exe

pid	process
2188	amadka.exe
2612	explorti.exe
2388	5b7bee6d1d.exe
2388	5b7bee6d1d.exe
488	DHJDAKEGDB.exe

pid	process
2188	amadka.exe

pid	process
2388	5b7bee6d1d.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

amadka.exeexplorti.exe5b7bee6d1d.execmd.exe

description	pid	process	target process
PID 2188 wrote to memory of 2612	2188	amadka.exe	explorti.exe
PID 2188 wrote to memory of 2612	2188	amadka.exe	explorti.exe
PID 2188 wrote to memory of 2612	2188	amadka.exe	explorti.exe
PID 2188 wrote to memory of 2612	2188	amadka.exe	explorti.exe
PID 2612 wrote to memory of 2388	2612	explorti.exe	5b7bee6d1d.exe
PID 2612 wrote to memory of 2388	2612	explorti.exe	5b7bee6d1d.exe
PID 2612 wrote to memory of 2388	2612	explorti.exe	5b7bee6d1d.exe
PID 2612 wrote to memory of 2388	2612	explorti.exe	5b7bee6d1d.exe
PID 2388 wrote to memory of 2256	2388	5b7bee6d1d.exe	cmd.exe
PID 2388 wrote to memory of 2256	2388	5b7bee6d1d.exe	cmd.exe
PID 2388 wrote to memory of 2256	2388	5b7bee6d1d.exe	cmd.exe
PID 2388 wrote to memory of 2256	2388	5b7bee6d1d.exe	cmd.exe
PID 2388 wrote to memory of 2420	2388	5b7bee6d1d.exe	cmd.exe
PID 2388 wrote to memory of 2420	2388	5b7bee6d1d.exe	cmd.exe
PID 2388 wrote to memory of 2420	2388	5b7bee6d1d.exe	cmd.exe
PID 2388 wrote to memory of 2420	2388	5b7bee6d1d.exe	cmd.exe
PID 2256 wrote to memory of 488	2256	cmd.exe	DHJDAKEGDB.exe
PID 2256 wrote to memory of 488	2256	cmd.exe	DHJDAKEGDB.exe
PID 2256 wrote to memory of 488	2256	cmd.exe	DHJDAKEGDB.exe
PID 2256 wrote to memory of 488	2256	cmd.exe	DHJDAKEGDB.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
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2188

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
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2612

C:\Users\Admin\AppData\Local\Temp\1000006001\5b7bee6d1d.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\5b7bee6d1d.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DHJDAKEGDB.exe"
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2256

C:\Users\Admin\AppData\Local\Temp\DHJDAKEGDB.exe
"C:\Users\Admin\AppData\Local\Temp\DHJDAKEGDB.exe"
5⤵
- 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:488

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BAKFCBFHJD.exe"
4⤵
PID:2420

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1000006001\5b7bee6d1d.exe
Filesize
2.4MB

MD5
788896b0b3e5bb5824228dc037fec7bb

SHA1
1c6fe7c59e037058bd713930e87178cd6113d8e6

SHA256
06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698

SHA512
bc4e141b824ede98741353a422c9b77deb710a170ed09d94ae327ee91f693ff7a4e53ffaeabd532459cceaf3c4a22d6f8f506b7fb451787faa4100e948e1009a

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

MD5
659ba66a74ec143a222edd2b1bbfb55f

SHA1
195433b12a9ed1f9d9b6a7a5a200e5b722f2f95b

SHA256
dd71ccde692bb708b51570c549154c97f7442bc3ff6c71174ad162131609933d

SHA512
4cea7563ebc8863da30185111ce8d4f4394b34e36ee26546f51b52cfe434185560c8e0f8f7c8dcd852464e603e1b7a6cf85fdafca20d1e280785cbf816c9322c

Download Submit
\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/488-143-0x00000000002D0000-0x0000000000790000-memory.dmp

Filesize
4.8MB

Download
memory/488-130-0x00000000002D0000-0x0000000000790000-memory.dmp

Filesize
4.8MB

Download
memory/2188-5-0x0000000001260000-0x0000000001720000-memory.dmp

Filesize
4.8MB

Download
memory/2188-15-0x0000000001260000-0x0000000001720000-memory.dmp

Filesize
4.8MB

Download
memory/2188-3-0x0000000001260000-0x0000000001720000-memory.dmp

Filesize
4.8MB

Download
memory/2188-2-0x0000000001261000-0x000000000128F000-memory.dmp

Filesize
184KB

Download
memory/2188-0-0x0000000001260000-0x0000000001720000-memory.dmp

Filesize
4.8MB

Download
memory/2188-1-0x0000000077680000-0x0000000077682000-memory.dmp

Filesize
8KB

Download
memory/2256-124-0x00000000020E0000-0x00000000025A0000-memory.dmp

Filesize
4.8MB

Download
memory/2388-99-0x0000000000A30000-0x000000000161D000-memory.dmp

Filesize
11.9MB

Download
memory/2388-40-0x0000000000A30000-0x000000000161D000-memory.dmp

Filesize
11.9MB

Download
memory/2388-41-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2612-95-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-148-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-37-0x0000000006CB0000-0x000000000789D000-memory.dmp

Filesize
11.9MB

Download
memory/2612-20-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-18-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-17-0x0000000000B41000-0x0000000000B6F000-memory.dmp

Filesize
184KB

Download
memory/2612-16-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-144-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-145-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-146-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-147-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-39-0x0000000006CB0000-0x000000000789D000-memory.dmp

Filesize
11.9MB

Download
memory/2612-149-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-150-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-151-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-152-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-153-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-154-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-155-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-156-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-157-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-158-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download
memory/2612-159-0x0000000000B40000-0x0000000001000000-memory.dmp

Filesize
4.8MB

Download