amadey | f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f

Analysis

max time kernel
148s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 06:50

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General

Target

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
Size

1.8MB
MD5

26c54fa4f5ed69d8859287685785b0d0
SHA1

04f8b257ffba66b72562c2bb3eecf6d9e82d5246
SHA256

f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f
SHA512

5740097c1fec94857c409635159fadc46e4e183dcaa1ddb76ec3115eb5499fd79c526a7f675bf3b22fcf78951a50ffe3c600ad46450fd15996952db5117982d2
SSDEEP

49152:O+cfvRv2XSMhuCFh4pVSyAAPmhAicpjF70aJ:OxR+zR6V3/PmhkpN0

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__	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	KEBFBGDGHI.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	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	KEBFBGDGHI.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\SystemBiosVersion	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	KEBFBGDGHI.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 6 IoCs

pid	Process
1120	explorti.exe
2864	e92aa8f8c3.exe
1724	KEBFBGDGHI.exe
1152	explorti.exe
1148	explorti.exe
5092	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-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	KEBFBGDGHI.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

pid	Process
2864	e92aa8f8c3.exe
2864	e92aa8f8c3.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
3380	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
1120	explorti.exe
2864	e92aa8f8c3.exe
2864	e92aa8f8c3.exe
1724	KEBFBGDGHI.exe
1152	explorti.exe
1148	explorti.exe
5092	explorti.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	e92aa8f8c3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e92aa8f8c3.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3380	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
3380	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
1120	explorti.exe
1120	explorti.exe
2864	e92aa8f8c3.exe
2864	e92aa8f8c3.exe
2864	e92aa8f8c3.exe
2864	e92aa8f8c3.exe
1724	KEBFBGDGHI.exe
1724	KEBFBGDGHI.exe
1152	explorti.exe
1152	explorti.exe
1148	explorti.exe
1148	explorti.exe
5092	explorti.exe
5092	explorti.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2864	e92aa8f8c3.exe
4116	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 1120	3380	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe	76
PID 3380 wrote to memory of 1120	3380	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe	76
PID 3380 wrote to memory of 1120	3380	f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe	76
PID 1120 wrote to memory of 2864	1120	explorti.exe	77
PID 1120 wrote to memory of 2864	1120	explorti.exe	77
PID 1120 wrote to memory of 2864	1120	explorti.exe	77
PID 2864 wrote to memory of 2452	2864	e92aa8f8c3.exe	78
PID 2864 wrote to memory of 2452	2864	e92aa8f8c3.exe	78
PID 2864 wrote to memory of 2452	2864	e92aa8f8c3.exe	78
PID 2864 wrote to memory of 4116	2864	e92aa8f8c3.exe	79
PID 2864 wrote to memory of 4116	2864	e92aa8f8c3.exe	79
PID 2864 wrote to memory of 4116	2864	e92aa8f8c3.exe	79
PID 2452 wrote to memory of 1724	2452	cmd.exe	82
PID 2452 wrote to memory of 1724	2452	cmd.exe	82
PID 2452 wrote to memory of 1724	2452	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.exe
"C:\Users\Admin\AppData\Local\Temp\f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f.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:3380
- 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:1120
- - C:\Users\Admin\AppData\Local\Temp\1000006001\e92aa8f8c3.exe
    "C:\Users\Admin\AppData\Local\Temp\1000006001\e92aa8f8c3.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:2864
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KEBFBGDGHI.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2452
    - - C:\Users\Admin\AppData\Local\Temp\KEBFBGDGHI.exe
        
        "C:\Users\Admin\AppData\Local\Temp\KEBFBGDGHI.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:1724
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JJKEBGHJKF.exe"
      4⤵
      Suspicious use of SetWindowsHookEx
      PID:4116

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:1152

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:1148

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:5092

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\e92aa8f8c3.exe

Filesize
2.4MB

MD5
bc0f1d24f1c98fcd6e2116280b1f3f3d

SHA1
af5b3a8688c594f8cea2915decf5dd69ab8af022

SHA256
0f3dd40065569d334baa28f67143cec736c0b42dfa265b9034376cadf69acabc

SHA512
72fcef84f1e1904049fea465da5c77009bc289e7383dc82c91a7d1b56b0a4d19f220d6ef48ff82e912028ec9906feeb0ae4cf4452d1a38606448d80a7234b4a2

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

Filesize
1.8MB

MD5
26c54fa4f5ed69d8859287685785b0d0

SHA1
04f8b257ffba66b72562c2bb3eecf6d9e82d5246

SHA256
f4d63d9972872c044e6efd6e8775470507939f87537c1e839a00fb24fda9c93f

SHA512
5740097c1fec94857c409635159fadc46e4e183dcaa1ddb76ec3115eb5499fd79c526a7f675bf3b22fcf78951a50ffe3c600ad46450fd15996952db5117982d2

Download Submit
memory/1120-115-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-122-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-119-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-18-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-19-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-20-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-21-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-136-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-117-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-127-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-135-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-134-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-126-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-124-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-112-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-123-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-133-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-116-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-131-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-132-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1120-125-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1148-129-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1148-130-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1152-121-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1152-120-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/1724-114-0x0000000001000000-0x00000000014C3000-memory.dmp

Filesize
4.8MB

Download
memory/1724-113-0x0000000001000000-0x00000000014C3000-memory.dmp

Filesize
4.8MB

Download
memory/2864-37-0x0000000000E30000-0x0000000001A2E000-memory.dmp

Filesize
12.0MB

Download
memory/2864-108-0x0000000000E30000-0x0000000001A2E000-memory.dmp

Filesize
12.0MB

Download
memory/2864-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3380-2-0x0000000000741000-0x000000000076F000-memory.dmp

Filesize
184KB

Download
memory/3380-0-0x0000000000740000-0x0000000000C03000-memory.dmp

Filesize
4.8MB

Download
memory/3380-1-0x00000000771E6000-0x00000000771E8000-memory.dmp

Filesize
8KB

Download
memory/3380-5-0x0000000000740000-0x0000000000C03000-memory.dmp

Filesize
4.8MB

Download
memory/3380-3-0x0000000000740000-0x0000000000C03000-memory.dmp

Filesize
4.8MB

Download
memory/3380-17-0x0000000000740000-0x0000000000C03000-memory.dmp

Filesize
4.8MB

Download
memory/5092-138-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download
memory/5092-139-0x0000000000450000-0x0000000000913000-memory.dmp

Filesize
4.8MB

Download