amadey | 9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

General

Target

9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
Size

1.8MB
MD5

fa6419e8f5a6bee481357f2a1f40efeb
SHA1

666ca974b3918ca19323fe9813a14cb4790f028f
SHA256

9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421
SHA512

862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa
SSDEEP

49152:3/1G+rnmxTDSNCpLm3AThjsWq4YYFreG:Po+rnmxTDSYpLhj9ZeG

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.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__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe

Checks BIOS information in registry 2 TTPs 10 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	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.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	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

Executes dropped EXE 4 IoCs

pid	Process
1432	explorti.exe
5088	explorti.exe
3100	explorti.exe
2148	explorti.exe

Identifies Wine through registry keys 2 TTPs 5 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-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
4244	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
1432	explorti.exe
5088	explorti.exe
3100	explorti.exe
2148	explorti.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4244	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
4244	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
1432	explorti.exe
1432	explorti.exe
5088	explorti.exe
5088	explorti.exe
3100	explorti.exe
3100	explorti.exe
2148	explorti.exe
2148	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4244	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 1432	4244	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe	83
PID 4244 wrote to memory of 1432	4244	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe	83
PID 4244 wrote to memory of 1432	4244	9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe	83

C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
"C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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:4244
- 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
  PID:1432

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:5088

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:3100

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:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.8MB

MD5
fa6419e8f5a6bee481357f2a1f40efeb

SHA1
666ca974b3918ca19323fe9813a14cb4790f028f

SHA256
9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

SHA512
862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa

Download Submit
memory/1432-21-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-23-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-44-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-43-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-34-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-16-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-42-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-19-0x0000000000A41000-0x0000000000A6F000-memory.dmp

Filesize
184KB

Download
memory/1432-20-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-24-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-33-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-22-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-35-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-41-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-27-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-40-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-39-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-30-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-31-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/1432-32-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/2148-46-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/2148-48-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/3100-37-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/3100-38-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/4244-0-0x00000000000A0000-0x0000000000558000-memory.dmp

Filesize
4.7MB

Download
memory/4244-18-0x00000000000A0000-0x0000000000558000-memory.dmp

Filesize
4.7MB

Download
memory/4244-5-0x00000000000A0000-0x0000000000558000-memory.dmp

Filesize
4.7MB

Download
memory/4244-3-0x00000000000A0000-0x0000000000558000-memory.dmp

Filesize
4.7MB

Download
memory/4244-2-0x00000000000A1000-0x00000000000CF000-memory.dmp

Filesize
184KB

Download
memory/4244-1-0x0000000077BA4000-0x0000000077BA6000-memory.dmp

Filesize
8KB

Download
memory/5088-29-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/5088-28-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download
memory/5088-26-0x0000000000A40000-0x0000000000EF8000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads