amadey | e7824fff5b683ad4df57bdc846e3763a507b76c3bfb369325f6ee117f6bf23f0

General

Target

dfb3dd74837e1f931c4456bd18eb5a8d.exe
Size

2.0MB
MD5

dfb3dd74837e1f931c4456bd18eb5a8d
SHA1

51dd5849ef9ca1779d755ba5596691ea9a539bab
SHA256

e7824fff5b683ad4df57bdc846e3763a507b76c3bfb369325f6ee117f6bf23f0
SHA512

23e32188f617c067bec46d00c4be97af76253a2962be1defb7c17d074d0fb4c98865f2fcf8f78ece729d30996f64fe3414610c2d5dcc5dcc1f48f4ce765dd550
SSDEEP

49152:mT6dCGskIPZMTwxw1j5Qb2MBPeIKQIcF3E1Wu4T1u:u6dCWVwxkj2bF19XlV1

Score

10^/10

amadey 9c9aa5 defense_evasion discovery trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

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

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	dfb3dd74837e1f931c4456bd18eb5a8d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	dfb3dd74837e1f931c4456bd18eb5a8d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	dfb3dd74837e1f931c4456bd18eb5a8d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	skotes.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	dfb3dd74837e1f931c4456bd18eb5a8d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe
2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe
2744	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	dfb3dd74837e1f931c4456bd18eb5a8d.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 1 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	dfb3dd74837e1f931c4456bd18eb5a8d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe
2744	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2744	2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe	29
PID 2172 wrote to memory of 2744	2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe	29
PID 2172 wrote to memory of 2744	2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe	29
PID 2172 wrote to memory of 2744	2172	dfb3dd74837e1f931c4456bd18eb5a8d.exe	29

C:\Users\Admin\AppData\Local\Temp\dfb3dd74837e1f931c4456bd18eb5a8d.exe
"C:\Users\Admin\AppData\Local\Temp\dfb3dd74837e1f931c4456bd18eb5a8d.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:2744

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

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.0MB

MD5
dfb3dd74837e1f931c4456bd18eb5a8d

SHA1
51dd5849ef9ca1779d755ba5596691ea9a539bab

SHA256
e7824fff5b683ad4df57bdc846e3763a507b76c3bfb369325f6ee117f6bf23f0

SHA512
23e32188f617c067bec46d00c4be97af76253a2962be1defb7c17d074d0fb4c98865f2fcf8f78ece729d30996f64fe3414610c2d5dcc5dcc1f48f4ce765dd550

Download Submit
memory/2172-19-0x0000000001141000-0x00000000011A9000-memory.dmp

Filesize
416KB

Download
memory/2172-1-0x0000000077500000-0x0000000077502000-memory.dmp

Filesize
8KB

Download
memory/2172-2-0x0000000001141000-0x00000000011A9000-memory.dmp

Filesize
416KB

Download
memory/2172-3-0x0000000001140000-0x00000000015F3000-memory.dmp

Filesize
4.7MB

Download
memory/2172-4-0x0000000001140000-0x00000000015F3000-memory.dmp

Filesize
4.7MB

Download
memory/2172-18-0x0000000001140000-0x00000000015F3000-memory.dmp

Filesize
4.7MB

Download
memory/2172-20-0x0000000006AF0000-0x0000000006FA3000-memory.dmp

Filesize
4.7MB

Download
memory/2172-21-0x0000000006AF0000-0x0000000006FA3000-memory.dmp

Filesize
4.7MB

Download
memory/2172-0-0x0000000001140000-0x00000000015F3000-memory.dmp

Filesize
4.7MB

Download
memory/2744-35-0x0000000000B80000-0x0000000001033000-memory.dmp

Filesize
4.7MB

Download
memory/2744-31-0x0000000002A80000-0x0000000002A81000-memory.dmp

Filesize
4KB

Download
memory/2744-22-0x0000000000B80000-0x0000000001033000-memory.dmp

Filesize
4.7MB

Download
memory/2744-34-0x0000000000B81000-0x0000000000BE9000-memory.dmp

Filesize
416KB

Download
memory/2744-37-0x0000000000B81000-0x0000000000BE9000-memory.dmp

Filesize
416KB

Download
memory/2744-38-0x0000000000B80000-0x0000000001033000-memory.dmp

Filesize
4.7MB

Download
memory/2744-32-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/2744-33-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/2744-30-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/2744-29-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2744-28-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/2744-27-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/2744-26-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/2744-25-0x0000000002A90000-0x0000000002A91000-memory.dmp

Filesize
4KB

Download
memory/2744-24-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/2744-23-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads