amadey | 7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969

Analysis

max time kernel
294s
max time network
249s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 00:14

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General

Target

7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
Size

1.8MB
MD5

ffc05e2526d75156dedfc82180de5d20
SHA1

57acc1b3d60803aacb726124a6f5ad5fdd0b13a2
SHA256

7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969
SHA512

bf6a99d9241d07f42ded9627b2f328b36b675d8c398ac86bac9cc6b886b7f6a0bb816d888506af16cb3742605a1c422ede2141415c0fdc54f8ddf9f988d13de5
SSDEEP

49152:3kKaCYXUrE7BJ2553LPpB5I+ymtxl4yQRPRXq6sOXjQ5:323krE7BJ2r7P9v9x8pXXRzQ5

Score

10^/10

amadey 0e6740 evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

http://147.45.47.155

Attributes

install_dir
9217037dc9
install_file
explortu.exe
strings_key
8e894a8a4a3d0da8924003a561cfb244
url_paths
/ku4Nor9/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe

Checks BIOS information in registry 2 TTPs 4 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	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	explortu.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-2737914667-933161113-3798636211-1000\Software\Wine	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Wine	explortu.exe

Loads dropped DLL 1 IoCs

pid	Process
2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
2500	explortu.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explortu.job	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
2500	explortu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2500	2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe	28
PID 2280 wrote to memory of 2500	2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe	28
PID 2280 wrote to memory of 2500	2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe	28
PID 2280 wrote to memory of 2500	2280	7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe	28

C:\Users\Admin\AppData\Local\Temp\7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.exe
"C:\Users\Admin\AppData\Local\Temp\7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969.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:2280
- C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
  "C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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
  PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

Filesize
1.8MB

MD5
ffc05e2526d75156dedfc82180de5d20

SHA1
57acc1b3d60803aacb726124a6f5ad5fdd0b13a2

SHA256
7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969

SHA512
bf6a99d9241d07f42ded9627b2f328b36b675d8c398ac86bac9cc6b886b7f6a0bb816d888506af16cb3742605a1c422ede2141415c0fdc54f8ddf9f988d13de5

Download Submit
memory/2280-0-0x0000000000E00000-0x00000000012AA000-memory.dmp

Filesize
4.7MB

Download
memory/2280-1-0x0000000077A70000-0x0000000077A72000-memory.dmp

Filesize
8KB

Download
memory/2280-2-0x0000000000E01000-0x0000000000E2F000-memory.dmp

Filesize
184KB

Download
memory/2280-3-0x0000000000E00000-0x00000000012AA000-memory.dmp

Filesize
4.7MB

Download
memory/2280-5-0x0000000000E00000-0x00000000012AA000-memory.dmp

Filesize
4.7MB

Download
memory/2280-15-0x00000000070F0000-0x000000000759A000-memory.dmp

Filesize
4.7MB

Download
memory/2280-14-0x0000000000E00000-0x00000000012AA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-32-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-35-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-18-0x0000000000231000-0x000000000025F000-memory.dmp

Filesize
184KB

Download
memory/2500-20-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-22-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-23-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-24-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-25-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-26-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-27-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-28-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-29-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-30-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-31-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-17-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-33-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-34-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-19-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-36-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-37-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-38-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-39-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-40-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-41-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-42-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-43-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-44-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-45-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-46-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-47-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-48-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-49-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-50-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-51-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-52-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download
memory/2500-53-0x0000000000230000-0x00000000006DA000-memory.dmp

Filesize
4.7MB

Download