amadey | b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 04:01

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General

Target

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
Size

1.9MB
MD5

6c932f10489d6100981164c9e4887fad
SHA1

480f7688861f68f3fd8ba60c4c17836fe91dd561
SHA256

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd
SHA512

3df9455fd37efb7ae5e917e5ed0a9c741fb2aabd83824892f96029ee6b8feda4991b421bd9c1e4612fa73cf586b303b7b9b5d77ac6c51803161a3aa053ea28e8
SSDEEP

49152:Nji9bUlndWxdW5azMW7gRnUX2CT1sU9eLu1BR0L6nE7uYeZu:S4/+dXzMcrX2C6UGL6nYuT

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

GDBFCGIIIJ.exeexplorti.exeexplorti.exeb3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	GDBFCGIIIJ.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__	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe

Downloads MZ/PE file

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:

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exeexplorti.exeGDBFCGIIIJ.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.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\SystemBiosVersion	GDBFCGIIIJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	GDBFCGIIIJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.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\SystemBiosVersion	explorti.exe

Executes dropped EXE 5 IoCs

Processes:

explorti.exe2981777a84.exeGDBFCGIIIJ.exeexplorti.exeexplorti.exe

pid process

1196 explorti.exe
2852 2981777a84.exe
3540 GDBFCGIIIJ.exe
3916 explorti.exe
4140 explorti.exe

pid	process
1196	explorti.exe
2852	2981777a84.exe
3540	GDBFCGIIIJ.exe
3916	explorti.exe
4140	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:

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exeexplorti.exeGDBFCGIIIJ.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	GDBFCGIIIJ.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

2981777a84.exe

pid process

2852 2981777a84.exe
2852 2981777a84.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 7 IoCs

Processes:

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exeexplorti.exe2981777a84.exeGDBFCGIIIJ.exeexplorti.exeexplorti.exe

pid process

3040 b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
1196 explorti.exe
2852 2981777a84.exe
2852 2981777a84.exe
3540 GDBFCGIIIJ.exe
3916 explorti.exe
4140 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe

description ioc process

File created C:\Windows\Tasks\explorti.job b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2852	2981777a84.exe
2852	2981777a84.exe

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.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:

2981777a84.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2981777a84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2981777a84.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exeexplorti.exe2981777a84.exeGDBFCGIIIJ.exeexplorti.exeexplorti.exe

pid	process
3040	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
3040	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
1196	explorti.exe
1196	explorti.exe
2852	2981777a84.exe
2852	2981777a84.exe
2852	2981777a84.exe
2852	2981777a84.exe
3540	GDBFCGIIIJ.exe
3540	GDBFCGIIIJ.exe
3916	explorti.exe
3916	explorti.exe
4140	explorti.exe
4140	explorti.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2981777a84.execmd.exe

pid process

2852 2981777a84.exe
4668 cmd.exe

pid	process
2852	2981777a84.exe
4668	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exeexplorti.exe2981777a84.execmd.exe

description	pid	process	target process
PID 3040 wrote to memory of 1196	3040	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe	explorti.exe
PID 3040 wrote to memory of 1196	3040	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe	explorti.exe
PID 3040 wrote to memory of 1196	3040	b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe	explorti.exe
PID 1196 wrote to memory of 2852	1196	explorti.exe	2981777a84.exe
PID 1196 wrote to memory of 2852	1196	explorti.exe	2981777a84.exe
PID 1196 wrote to memory of 2852	1196	explorti.exe	2981777a84.exe
PID 2852 wrote to memory of 4516	2852	2981777a84.exe	cmd.exe
PID 2852 wrote to memory of 4516	2852	2981777a84.exe	cmd.exe
PID 2852 wrote to memory of 4516	2852	2981777a84.exe	cmd.exe
PID 2852 wrote to memory of 4668	2852	2981777a84.exe	cmd.exe
PID 2852 wrote to memory of 4668	2852	2981777a84.exe	cmd.exe
PID 2852 wrote to memory of 4668	2852	2981777a84.exe	cmd.exe
PID 4516 wrote to memory of 3540	4516	cmd.exe	GDBFCGIIIJ.exe
PID 4516 wrote to memory of 3540	4516	cmd.exe	GDBFCGIIIJ.exe
PID 4516 wrote to memory of 3540	4516	cmd.exe	GDBFCGIIIJ.exe

C:\Users\Admin\AppData\Local\Temp\b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe
"C:\Users\Admin\AppData\Local\Temp\b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3040

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
- Suspicious use of WriteProcessMemory
PID:1196

C:\Users\Admin\AppData\Local\Temp\1000006001\2981777a84.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\2981777a84.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:2852

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GDBFCGIIIJ.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:4516

C:\Users\Admin\AppData\Local\Temp\GDBFCGIIIJ.exe
"C:\Users\Admin\AppData\Local\Temp\GDBFCGIIIJ.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:3540

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IDHJEBGIEB.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:4668

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:3916

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:4140

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\1000006001\2981777a84.exe
Filesize
2.4MB

MD5
3a56a5f933e6b97840d88c99bc445f7b

SHA1
2406c6ebe491b5d3660b66922d90f250eeabe5fe

SHA256
40f2617cfc50b6e9db64c830f38e25cca0d2bd2b2d27f155cdce68ed6c6b26fd

SHA512
31a48b0e84b47527a1dafac792d831aa57d94adf826d947ac293a31c058e8f0054ceba4eabfa608829fc9b9608a844069b44298e4bdfe4c29ee8cee01ade765b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.9MB

MD5
6c932f10489d6100981164c9e4887fad

SHA1
480f7688861f68f3fd8ba60c4c17836fe91dd561

SHA256
b3fae6c5156b4d6639974bfcb689efebe43244ca6ce4789681e7d0fecb97abbd

SHA512
3df9455fd37efb7ae5e917e5ed0a9c741fb2aabd83824892f96029ee6b8feda4991b421bd9c1e4612fa73cf586b303b7b9b5d77ac6c51803161a3aa053ea28e8

Download Submit
memory/1196-112-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-125-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-136-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-18-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-19-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-20-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-21-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-135-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-134-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-133-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-65-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-132-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-128-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-126-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-124-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-123-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-122-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-115-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-116-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/1196-121-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/2852-37-0x0000000000290000-0x0000000000E79000-memory.dmp

Filesize
11.9MB

Download
memory/2852-108-0x0000000000290000-0x0000000000E79000-memory.dmp

Filesize
11.9MB

Download
memory/2852-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3040-2-0x0000000000931000-0x000000000095F000-memory.dmp

Filesize
184KB

Download
memory/3040-16-0x0000000000930000-0x0000000000E01000-memory.dmp

Filesize
4.8MB

Download
memory/3040-3-0x0000000000930000-0x0000000000E01000-memory.dmp

Filesize
4.8MB

Download
memory/3040-0-0x0000000000930000-0x0000000000E01000-memory.dmp

Filesize
4.8MB

Download
memory/3040-5-0x0000000000930000-0x0000000000E01000-memory.dmp

Filesize
4.8MB

Download
memory/3040-1-0x00000000775F6000-0x00000000775F8000-memory.dmp

Filesize
8KB

Download
memory/3540-113-0x0000000000E70000-0x0000000001341000-memory.dmp

Filesize
4.8MB

Download
memory/3540-114-0x0000000000E70000-0x0000000001341000-memory.dmp

Filesize
4.8MB

Download
memory/3916-120-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/3916-118-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/4140-131-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download
memory/4140-129-0x0000000000840000-0x0000000000D11000-memory.dmp

Filesize
4.8MB

Download