amadey | 7439a1cdf0d05d91d25d3be874ee54557494af5f6b2fc3373654c87266828504

Analysis

max time kernel
141s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 13:03

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General

Target

file.exe
Size

2.9MB
MD5

b406ea5a7e49fac393c76ae7902269db
SHA1

b37dbbbe5b1aa93515c2347c328b372ef0149cbb
SHA256

7439a1cdf0d05d91d25d3be874ee54557494af5f6b2fc3373654c87266828504
SHA512

b495218372ffe3369a13def84318913638a96dba8295b77d23c821acb8ef4eca3c08beb45d0dd1a450ad339039b1f1589783fa58f3d495854d7081908e52c4e1
SSDEEP

49152:A2FzteCwImhdzbDf9BzYJ7+zI8AJ/WWs:A2LeCwImhdzbDfTE7+x

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

http://185.215.113.43

Attributes

install_dir
abc3bc1985
install_file
skotes.exe
strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
url_paths
/Zu7JuNko/index.php

rc4.plain

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1808 created 1212	1808	27c48e4c66.exe	21

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	27c48e4c66.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 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\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	27c48e4c66.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	27c48e4c66.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

Executes dropped EXE 3 IoCs

pid	Process
1920	skotes.exe
1488	796efe4a62.exe
1808	27c48e4c66.exe

Identifies Wine through registry keys 2 TTPs 3 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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	27c48e4c66.exe

Loads dropped DLL 6 IoCs

pid	Process
2504	file.exe
2504	file.exe
1920	skotes.exe
1920	skotes.exe
1920	skotes.exe
1920	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2504	file.exe
1920	skotes.exe
1808	27c48e4c66.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	file.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27c48e4c66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dialer.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2504	file.exe
1920	skotes.exe
1808	27c48e4c66.exe
1808	27c48e4c66.exe
1808	27c48e4c66.exe
1808	27c48e4c66.exe
1808	27c48e4c66.exe
2884	dialer.exe
2884	dialer.exe
2884	dialer.exe
2884	dialer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	file.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1920	2504	file.exe	30
PID 2504 wrote to memory of 1920	2504	file.exe	30
PID 2504 wrote to memory of 1920	2504	file.exe	30
PID 2504 wrote to memory of 1920	2504	file.exe	30
PID 1920 wrote to memory of 1488	1920	skotes.exe	33
PID 1920 wrote to memory of 1488	1920	skotes.exe	33
PID 1920 wrote to memory of 1488	1920	skotes.exe	33
PID 1920 wrote to memory of 1488	1920	skotes.exe	33
PID 1920 wrote to memory of 1808	1920	skotes.exe	35
PID 1920 wrote to memory of 1808	1920	skotes.exe	35
PID 1920 wrote to memory of 1808	1920	skotes.exe	35
PID 1920 wrote to memory of 1808	1920	skotes.exe	35
PID 1808 wrote to memory of 2884	1808	27c48e4c66.exe	36
PID 1808 wrote to memory of 2884	1808	27c48e4c66.exe	36
PID 1808 wrote to memory of 2884	1808	27c48e4c66.exe	36
PID 1808 wrote to memory of 2884	1808	27c48e4c66.exe	36
PID 1808 wrote to memory of 2884	1808	27c48e4c66.exe	36
PID 1808 wrote to memory of 2884	1808	27c48e4c66.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - C:\Users\Admin\AppData\Local\Temp\1016648001\796efe4a62.exe
      "C:\Users\Admin\AppData\Local\Temp\1016648001\796efe4a62.exe"
      4⤵
      Executes dropped EXE
      PID:1488
  - - C:\Users\Admin\AppData\Local\Temp\1016649001\27c48e4c66.exe
      "C:\Users\Admin\AppData\Local\Temp\1016649001\27c48e4c66.exe"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      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
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1808
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2884

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1016648001\796efe4a62.exe

Filesize
758KB

MD5
afd936e441bf5cbdb858e96833cc6ed3

SHA1
3491edd8c7caf9ae169e21fb58bccd29d95aefef

SHA256
c6491d7a6d70c7c51baca7436464667b4894e4989fa7c5e05068dde4699e1cbf

SHA512
928c15a1eda602b2a66a53734f3f563ab9626882104e30ee2bf5106cfd6e08ec54f96e3063f1ab89bf13be2c8822a8419f5d8ee0a3583a4c479785226051a325

Download Submit
C:\Users\Admin\AppData\Local\Temp\1016649001\27c48e4c66.exe

Filesize
1.9MB

MD5
8317f4066452222fae09837c5df94ed2

SHA1
af3dae4376723dea094f0caba585af5df3b24269

SHA256
b363421afbee72e899d54508026f0c766bd04333ec087c8c96614c9bc735be56

SHA512
8a26b6c4ec847733786efb5157358d3353e917b046be39d44ae9635ba31e98e7b0fc454aaf9d7b07b6648c5364218a749b4652ac941b813475f01bac6a3f2f8a

Download Submit
\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

Filesize
2.9MB

MD5
b406ea5a7e49fac393c76ae7902269db

SHA1
b37dbbbe5b1aa93515c2347c328b372ef0149cbb

SHA256
7439a1cdf0d05d91d25d3be874ee54557494af5f6b2fc3373654c87266828504

SHA512
b495218372ffe3369a13def84318913638a96dba8295b77d23c821acb8ef4eca3c08beb45d0dd1a450ad339039b1f1589783fa58f3d495854d7081908e52c4e1

Download Submit
memory/1808-77-0x00000000001B0000-0x0000000000670000-memory.dmp

Filesize
4.8MB

Download
memory/1808-68-0x0000000004BC0000-0x0000000004FC0000-memory.dmp

Filesize
4.0MB

Download
memory/1808-71-0x0000000075930000-0x0000000075977000-memory.dmp

Filesize
284KB

Download
memory/1808-69-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/1808-67-0x0000000004BC0000-0x0000000004FC0000-memory.dmp

Filesize
4.0MB

Download
memory/1808-66-0x00000000001B0000-0x0000000000670000-memory.dmp

Filesize
4.8MB

Download
memory/1920-25-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-85-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-23-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-95-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-26-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-27-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-94-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-39-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-45-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-46-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-47-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-18-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-93-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-64-0x0000000006A50000-0x0000000006F10000-memory.dmp

Filesize
4.8MB

Download
memory/1920-63-0x0000000006A50000-0x0000000006F10000-memory.dmp

Filesize
4.8MB

Download
memory/1920-92-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-91-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-90-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-89-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-88-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-87-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-86-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-22-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-84-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-81-0x0000000006A50000-0x0000000006F10000-memory.dmp

Filesize
4.8MB

Download
memory/1920-82-0x0000000000FB0000-0x00000000012D0000-memory.dmp

Filesize
3.1MB

Download
memory/1920-83-0x0000000006A50000-0x0000000006F10000-memory.dmp

Filesize
4.8MB

Download
memory/2504-1-0x0000000077230000-0x0000000077232000-memory.dmp

Filesize
8KB

Download
memory/2504-2-0x00000000012C1000-0x00000000012EF000-memory.dmp

Filesize
184KB

Download
memory/2504-3-0x00000000012C0000-0x00000000015E0000-memory.dmp

Filesize
3.1MB

Download
memory/2504-5-0x00000000012C0000-0x00000000015E0000-memory.dmp

Filesize
3.1MB

Download
memory/2504-19-0x00000000068E0000-0x0000000006C00000-memory.dmp

Filesize
3.1MB

Download
memory/2504-21-0x00000000012C0000-0x00000000015E0000-memory.dmp

Filesize
3.1MB

Download
memory/2504-17-0x00000000068E0000-0x0000000006C00000-memory.dmp

Filesize
3.1MB

Download
memory/2504-0-0x00000000012C0000-0x00000000015E0000-memory.dmp

Filesize
3.1MB

Download
memory/2884-78-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2884-80-0x0000000075930000-0x0000000075977000-memory.dmp

Filesize
284KB

Download
memory/2884-76-0x0000000001DF0000-0x00000000021F0000-memory.dmp

Filesize
4.0MB

Download
memory/2884-73-0x00000000000C0000-0x00000000000CA000-memory.dmp

Filesize
40KB

Download