amadey | 0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f

General

Target

0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
Size

2.8MB
MD5

aa65c785ce5ec6a4648414bc13fe24f7
SHA1

1e4fb866064a7248308921ab37767f2c7c0e2886
SHA256

0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f
SHA512

e077b949cb299e827c6842e87884271bcae02d5e1520d88fad52585adbb8e9e822861ab40cd0451a848bc396d1657dde8a7a034edddfb9545130cb56c83e4bad
SSDEEP

49152:595tlWy3vB4D8LQmfAoTb6Wzyuzp1A+2prTB:5jR3vBDLrAoaUlzp1A3

Score

10^/10

amadey 9c9aa5 discovery evasion 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 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

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\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
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	skotes.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe

Executes dropped EXE 2 IoCs

pid	Process
4636	skotes.exe
4880	skotes.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3660	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
4636	skotes.exe
4880	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.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 2 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	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3660	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
3660	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
4636	skotes.exe
4636	skotes.exe
4880	skotes.exe
4880	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3660	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 4636	3660	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe	83
PID 3660 wrote to memory of 4636	3660	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe	83
PID 3660 wrote to memory of 4636	3660	0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe	83

C:\Users\Admin\AppData\Local\Temp\0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.exe
"C:\Users\Admin\AppData\Local\Temp\0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3660
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4636

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:4880

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.8MB

MD5
aa65c785ce5ec6a4648414bc13fe24f7

SHA1
1e4fb866064a7248308921ab37767f2c7c0e2886

SHA256
0b4a3ac9b4413cb687e64d4b718afa284bc8c0882c2768973317620cd83d460f

SHA512
e077b949cb299e827c6842e87884271bcae02d5e1520d88fad52585adbb8e9e822861ab40cd0451a848bc396d1657dde8a7a034edddfb9545130cb56c83e4bad

Download Submit
memory/3660-16-0x0000000000870000-0x0000000000B87000-memory.dmp

Filesize
3.1MB

Download
memory/3660-1-0x0000000077024000-0x0000000077026000-memory.dmp

Filesize
8KB

Download
memory/3660-2-0x0000000000871000-0x000000000089F000-memory.dmp

Filesize
184KB

Download
memory/3660-3-0x0000000000870000-0x0000000000B87000-memory.dmp

Filesize
3.1MB

Download
memory/3660-4-0x0000000000870000-0x0000000000B87000-memory.dmp

Filesize
3.1MB

Download
memory/3660-0-0x0000000000870000-0x0000000000B87000-memory.dmp

Filesize
3.1MB

Download
memory/4636-21-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-25-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-20-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-17-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-22-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-23-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-24-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-19-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-26-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-27-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4636-33-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4880-30-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4880-32-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download
memory/4880-29-0x0000000000690000-0x00000000009A7000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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