amadey | 4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 05:56

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General

Target

4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
Size

1.8MB
MD5

07b896ab2bfbc362b243002a3502471e
SHA1

87e7531dc65279615106e29ffc05d15126918757
SHA256

4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684
SHA512

c74c58c40db3ee26f3e5380f7f45f0b84225bab460248cf688795c13241487120d2718855ebb99d3ce449d68ec1de464b24378f97d7c176b51ea749e43145289
SSDEEP

49152:JFhOys9d/Mk8+oQAr5uphS2polrxqrsZ+rEl/:38ys9d/2HoIj3VYrE

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 6 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AFBAKKFCBF.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 12 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AFBAKKFCBF.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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AFBAKKFCBF.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

pid	Process
3844	explorti.exe
4056	8f8c24e840.exe
4660	AFBAKKFCBF.exe
1520	explorti.exe
5008	explorti.exe
2232	explorti.exe

Identifies Wine through registry keys 2 TTPs 6 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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	AFBAKKFCBF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

pid	Process
4056	8f8c24e840.exe
4056	8f8c24e840.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 8 IoCs

pid	Process
4536	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
3844	explorti.exe
4056	8f8c24e840.exe
4056	8f8c24e840.exe
4660	AFBAKKFCBF.exe
1520	explorti.exe
5008	explorti.exe
2232	explorti.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8f8c24e840.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8f8c24e840.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4536	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
4536	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
3844	explorti.exe
3844	explorti.exe
4056	8f8c24e840.exe
4056	8f8c24e840.exe
4056	8f8c24e840.exe
4056	8f8c24e840.exe
4660	AFBAKKFCBF.exe
4660	AFBAKKFCBF.exe
1520	explorti.exe
1520	explorti.exe
5008	explorti.exe
5008	explorti.exe
2232	explorti.exe
2232	explorti.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4056	8f8c24e840.exe
4296	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 3844	4536	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe	82
PID 4536 wrote to memory of 3844	4536	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe	82
PID 4536 wrote to memory of 3844	4536	4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe	82
PID 3844 wrote to memory of 4056	3844	explorti.exe	83
PID 3844 wrote to memory of 4056	3844	explorti.exe	83
PID 3844 wrote to memory of 4056	3844	explorti.exe	83
PID 4056 wrote to memory of 1356	4056	8f8c24e840.exe	84
PID 4056 wrote to memory of 1356	4056	8f8c24e840.exe	84
PID 4056 wrote to memory of 1356	4056	8f8c24e840.exe	84
PID 4056 wrote to memory of 4296	4056	8f8c24e840.exe	86
PID 4056 wrote to memory of 4296	4056	8f8c24e840.exe	86
PID 4056 wrote to memory of 4296	4056	8f8c24e840.exe	86
PID 1356 wrote to memory of 4660	1356	cmd.exe	88
PID 1356 wrote to memory of 4660	1356	cmd.exe	88
PID 1356 wrote to memory of 4660	1356	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.exe
"C:\Users\Admin\AppData\Local\Temp\4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684.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:4536
- 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:3844
- - C:\Users\Admin\AppData\Local\Temp\1000006001\8f8c24e840.exe
    "C:\Users\Admin\AppData\Local\Temp\1000006001\8f8c24e840.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:4056
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFBAKKFCBF.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1356
    - - C:\Users\Admin\AppData\Local\Temp\AFBAKKFCBF.exe
        
        "C:\Users\Admin\AppData\Local\Temp\AFBAKKFCBF.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:4660
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KKECFIEBGC.exe"
      4⤵
      Suspicious use of SetWindowsHookEx
      PID:4296

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:1520

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:5008

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:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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\8f8c24e840.exe

Filesize
2.3MB

MD5
a10026e6fa614ac472aa51df8271fccc

SHA1
cf5224e38d979f12214b307ef85f1979ae24b831

SHA256
5601362741a3c49770857b3ba7691c810e242b65af9fa783b3d2e649b1ec8c95

SHA512
29d87751ea964cf244c170eb4ae1ad38a1723c9dfa539e08d2de2f90ac0920423ef86f735b9e27e7c45470b1fa77209bbf7e757f4830f14abd96b40f417f74f6

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

Filesize
1.8MB

MD5
07b896ab2bfbc362b243002a3502471e

SHA1
87e7531dc65279615106e29ffc05d15126918757

SHA256
4335ca8de7d9d59c0b2f24e633e1df5939cbd1d4e3e81cfe3a5252bdeee4c684

SHA512
c74c58c40db3ee26f3e5380f7f45f0b84225bab460248cf688795c13241487120d2718855ebb99d3ce449d68ec1de464b24378f97d7c176b51ea749e43145289

Download Submit
memory/1520-120-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/1520-118-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/2232-138-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/2232-137-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-114-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-130-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-21-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-19-0x0000000000A61000-0x0000000000A8F000-memory.dmp

Filesize
184KB

Download
memory/3844-135-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-134-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-18-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-133-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-104-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-132-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-131-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-20-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-127-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-116-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-117-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-125-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-124-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-121-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-122-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/3844-123-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/4056-107-0x00000000003B0000-0x0000000000F91000-memory.dmp

Filesize
11.9MB

Download
memory/4056-37-0x00000000003B0000-0x0000000000F91000-memory.dmp

Filesize
11.9MB

Download
memory/4056-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4536-0-0x0000000000240000-0x0000000000703000-memory.dmp

Filesize
4.8MB

Download
memory/4536-3-0x0000000000240000-0x0000000000703000-memory.dmp

Filesize
4.8MB

Download
memory/4536-17-0x0000000000240000-0x0000000000703000-memory.dmp

Filesize
4.8MB

Download
memory/4536-5-0x0000000000240000-0x0000000000703000-memory.dmp

Filesize
4.8MB

Download
memory/4536-2-0x0000000000241000-0x000000000026F000-memory.dmp

Filesize
184KB

Download
memory/4536-1-0x0000000077C76000-0x0000000077C78000-memory.dmp

Filesize
8KB

Download
memory/4660-113-0x00000000005D0000-0x0000000000A93000-memory.dmp

Filesize
4.8MB

Download
memory/4660-111-0x00000000005D0000-0x0000000000A93000-memory.dmp

Filesize
4.8MB

Download
memory/5008-129-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download
memory/5008-128-0x0000000000A60000-0x0000000000F23000-memory.dmp

Filesize
4.8MB

Download