amadey | a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f

General

Target

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
Size

1.8MB
MD5

6232a1aa692fe2b9f3f8e67d35c7dab7
SHA1

87dc7bd254cac48669668a1833c10b8aab3775be
SHA256

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f
SHA512

c29f2e3b76fe7c2ef81370990b02ee978b81f8ceebb191cc218672184ad7fd5046d8088bcc954f62b05f72255ce15d89c909c99ca3d2ab6d097725d13736300a
SSDEEP

49152:P2VKHlPtXQxOpYkv5bhxX84iAMEoatUvyuCy9CIwD:P2mtg4+kvBNKzatUquL9CV

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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exeskotes.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.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

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exeskotes.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.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	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

Executes dropped EXE 1 IoCs

Processes:

skotes.exe

pid process

2944 skotes.exe

pid	process
2944	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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exeskotes.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

pid process

2768 a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exeskotes.exe

pid process

2768 a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
2944 skotes.exe
Drops file in Windows directory 1 IoCs

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

description ioc process

File created C:\Windows\Tasks\skotes.job a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

pid	process
2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
2944	skotes.exe

description	ioc	process
File created	C:\Windows\Tasks\skotes.job	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

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

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exeskotes.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exeskotes.exe

pid process

2768 a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
2944 skotes.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

pid process

2768 a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

pid	process
2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
2944	skotes.exe

pid	process
2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe

description	pid	process	target process
PID 2768 wrote to memory of 2944	2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe	skotes.exe
PID 2768 wrote to memory of 2944	2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe	skotes.exe
PID 2768 wrote to memory of 2944	2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe	skotes.exe
PID 2768 wrote to memory of 2944	2768	a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe	skotes.exe

C:\Users\Admin\AppData\Local\Temp\a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.exe
"C:\Users\Admin\AppData\Local\Temp\a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f.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:2768
- 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:2944

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

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Downloads

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

Filesize
1.8MB

MD5
6232a1aa692fe2b9f3f8e67d35c7dab7

SHA1
87dc7bd254cac48669668a1833c10b8aab3775be

SHA256
a7cf50803925abf03bcd899b82745e472e99963b2cd8063aa44249bd6c75395f

SHA512
c29f2e3b76fe7c2ef81370990b02ee978b81f8ceebb191cc218672184ad7fd5046d8088bcc954f62b05f72255ce15d89c909c99ca3d2ab6d097725d13736300a

Download Submit
memory/2768-14-0x00000000008F0000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2768-1-0x0000000077B30000-0x0000000077B32000-memory.dmp

Filesize
8KB

Download
memory/2768-2-0x00000000008F1000-0x000000000091F000-memory.dmp

Filesize
184KB

Download
memory/2768-3-0x00000000008F0000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2768-5-0x00000000008F0000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2768-0-0x00000000008F0000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2768-16-0x0000000006F60000-0x000000000741E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-24-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-27-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-19-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-21-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-22-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-23-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-17-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-25-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-26-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-18-0x0000000000E51000-0x0000000000E7F000-memory.dmp

Filesize
184KB

Download
memory/2944-28-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-29-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-30-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-31-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-32-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-33-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-34-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-35-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-36-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-37-0x0000000000E50000-0x000000000130E000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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