amadey | fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480

Analysis

max time kernel
150s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 20:26

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General

Target

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
Size

2.4MB
MD5

7e71285f0605e804327de38aaf9aa82c
SHA1

4102d659bb5572d0e88adbf54624028e696285ed
SHA256

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480
SHA512

4c12a4e6897994797f0088cbe98cda9c497ce036be70668e4fb648e39f4869ec0446908643c43e4140322f04bfc589838f1ed3274534d0bc8c7bb4c89656dbbe
SSDEEP

49152:K+QNFEADojUHiYWlAdiITQfxftliigDe2k4PdL08+eFSvsK/3OYGfNqFS3BQ:3IEADaYWKiITQV+SIL01vsKLFSe

Score

10^/10

amadey stealc 4dd39d default discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

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
Stealc
Stealc is an infostealer written in C++.
stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exeexplorti.exeFIDHCFBAKF.exe

description	ioc	process
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__	FIDHCFBAKF.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 8 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorti.exeFIDHCFBAKF.exeexplorti.exeexplorti.exe

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

Executes dropped EXE 6 IoCs

Processes:

FIDHCFBAKF.exeexplorti.exe781855104a.exeexplorti.exeexplorti.exeexplorti.exe

pid process

460 FIDHCFBAKF.exe
2092 explorti.exe
5004 781855104a.exe
484 explorti.exe
248 explorti.exe
1932 explorti.exe

pid	process
460	FIDHCFBAKF.exe
2092	explorti.exe
5004	781855104a.exe
484	explorti.exe
248	explorti.exe
1932	explorti.exe

Identifies Wine through registry keys 2 TTPs 4 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:

FIDHCFBAKF.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	FIDHCFBAKF.exe
Key opened	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe

pid process

4584 fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
4584 fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.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:

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exeFIDHCFBAKF.exeexplorti.exe781855104a.exeexplorti.exeexplorti.exe

pid	process
4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
460	FIDHCFBAKF.exe
2092	explorti.exe
5004	781855104a.exe
484	explorti.exe
248	explorti.exe

Drops file in Windows directory 1 IoCs

Processes:

FIDHCFBAKF.exe

description ioc process

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

System Information Discovery
T1082

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

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exeFIDHCFBAKF.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
460	FIDHCFBAKF.exe
460	FIDHCFBAKF.exe
2092	explorti.exe
2092	explorti.exe
484	explorti.exe
484	explorti.exe
248	explorti.exe
248	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

FIDHCFBAKF.exe

pid process

460 FIDHCFBAKF.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.execmd.exe781855104a.exe

pid process

4584 fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
796 cmd.exe
5004 781855104a.exe

pid	process
460	FIDHCFBAKF.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.execmd.exeFIDHCFBAKF.exeexplorti.exe

description	pid	process	target process
PID 4584 wrote to memory of 4984	4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe	cmd.exe
PID 4584 wrote to memory of 4984	4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe	cmd.exe
PID 4584 wrote to memory of 4984	4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe	cmd.exe
PID 4584 wrote to memory of 796	4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe	cmd.exe
PID 4584 wrote to memory of 796	4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe	cmd.exe
PID 4584 wrote to memory of 796	4584	fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe	cmd.exe
PID 4984 wrote to memory of 460	4984	cmd.exe	FIDHCFBAKF.exe
PID 4984 wrote to memory of 460	4984	cmd.exe	FIDHCFBAKF.exe
PID 4984 wrote to memory of 460	4984	cmd.exe	FIDHCFBAKF.exe
PID 460 wrote to memory of 2092	460	FIDHCFBAKF.exe	explorti.exe
PID 460 wrote to memory of 2092	460	FIDHCFBAKF.exe	explorti.exe
PID 460 wrote to memory of 2092	460	FIDHCFBAKF.exe	explorti.exe
PID 2092 wrote to memory of 5004	2092	explorti.exe	781855104a.exe
PID 2092 wrote to memory of 5004	2092	explorti.exe	781855104a.exe
PID 2092 wrote to memory of 5004	2092	explorti.exe	781855104a.exe

C:\Users\Admin\AppData\Local\Temp\fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe
"C:\Users\Admin\AppData\Local\Temp\fad03c0fb57a6f4d3bd9af8d9d969c2f52b6e6f67a34ff01c1d57361d668e480.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4584

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FIDHCFBAKF.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4984

C:\Users\Admin\AppData\Local\Temp\FIDHCFBAKF.exe
"C:\Users\Admin\AppData\Local\Temp\FIDHCFBAKF.exe"
3⤵
- 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
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:460

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
4⤵
- 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:2092

C:\Users\Admin\AppData\Local\Temp\1000006001\781855104a.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\781855104a.exe"
5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:5004

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IIJDBGDGCG.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:796

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:484

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:248

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Executes dropped EXE
PID:1932

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\781855104a.exe
Filesize
2.4MB

MD5
853f97821f33b411e011296b97d0cff3

SHA1
99824a9224dd7e097cbc5804d2d9536555ef95ee

SHA256
d1f04b4bea67cbc6f469855826505a16e706b514858fa73c123df263ad34a292

SHA512
71bbd39e471766bcc4b4418d39ad0476cf3b894f9833be971df9b0c7a8691d51017c7f196a21844af19a0b7c5fe8f8bb05492ebf4013d05fbb29903a834e4fa2

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

MD5
1a4aa28420e7644864c508a56159671e

SHA1
9a037c20e77af97efdf3bfe07606198026a26c29

SHA256
2cc1c971ac14bd4cb27db708050717af2bd5b9f28a70299c1a6794ff0b4c8e76

SHA512
146ffd591d2f019eec1e923586a220ff7c2aa24b90f3b57d3e4632294141a71c508cbd0fb3e73fa760fdca3dc4982fb4600648b73a5f3219822223f9c7a4202c

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
546KB

MD5
601ebdc4214c98ca64b836a04b93ef39

SHA1
f614feb6c3251b84c1feaa9ea8d18f90b22874f5

SHA256
5ca80cd7687ae0c554cfab73a6a7fcd26f1aa79e910906a8172b22f0ad97c6b1

SHA512
441ac262f1b153b61f593169d258ee73e5ba0876f5dd4d8b01dae93df035c18735a8049ccd34395e0ee0a1de3cb976fac3a79688a46a00ce877f2341db567243

Download Submit
memory/248-129-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/248-128-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/460-96-0x0000000000DD0000-0x000000000128F000-memory.dmp

Filesize
4.7MB

Download
memory/460-82-0x0000000000DD0000-0x000000000128F000-memory.dmp

Filesize
4.7MB

Download
memory/484-118-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/484-116-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-122-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-130-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-124-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-114-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-123-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-134-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-120-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-119-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-125-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-94-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-133-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-132-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-121-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-127-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/2092-131-0x00000000009D0000-0x0000000000E8F000-memory.dmp

Filesize
4.7MB

Download
memory/4584-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4584-78-0x000000007EB20000-0x000000007EEF1000-memory.dmp

Filesize
3.8MB

Download
memory/4584-1-0x000000007EB20000-0x000000007EEF1000-memory.dmp

Filesize
3.8MB

Download
memory/4584-0-0x0000000000FB0000-0x0000000001BA4000-memory.dmp

Filesize
12.0MB

Download
memory/4584-77-0x0000000000FB0000-0x0000000001BA4000-memory.dmp

Filesize
12.0MB

Download
memory/5004-112-0x0000000000160000-0x0000000000D35000-memory.dmp

Filesize
11.8MB

Download
memory/5004-113-0x0000000000160000-0x0000000000D35000-memory.dmp

Filesize
11.8MB

Download