amadey | 838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf

General

Target

838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe
Size

1.8MB
MD5

e3462e542fc520e4524ba6f345d2d8c9
SHA1

5754c8c847c639500cb9e95fc5f42d394365bca4
SHA256

838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf
SHA512

99f0f5994df945ade3833db239c562a83e83e0aaff0b11036ee3a2b4ae50ab4628b03effe6a272efd6d85b02d4657b784f7f8fa0fbf0f9b9589e6c1a1211925d
SSDEEP

49152:qx/qTWysRpu4SKRZOArq3EzY1CAAyXxN:sCTWNlnhzk1CAH

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__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.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	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.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	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe
2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe
2796	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.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	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe
2796	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2796	2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe	31
PID 2944 wrote to memory of 2796	2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe	31
PID 2944 wrote to memory of 2796	2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe	31
PID 2944 wrote to memory of 2796	2944	838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe	31

C:\Users\Admin\AppData\Local\Temp\838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.exe
"C:\Users\Admin\AppData\Local\Temp\838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf.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:2944
- 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:2796

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

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

Filesize
1.8MB

MD5
e3462e542fc520e4524ba6f345d2d8c9

SHA1
5754c8c847c639500cb9e95fc5f42d394365bca4

SHA256
838fd83e8b1c6106868d71635e8171d9b23bc436c2985e395d8c1123e0fb3ccf

SHA512
99f0f5994df945ade3833db239c562a83e83e0aaff0b11036ee3a2b4ae50ab4628b03effe6a272efd6d85b02d4657b784f7f8fa0fbf0f9b9589e6c1a1211925d

Download Submit
memory/2796-27-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-33-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-26-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-39-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-38-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-37-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-20-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-36-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-21-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-22-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-25-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-24-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-28-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-40-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-35-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-29-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-30-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-31-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-32-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2796-34-0x00000000000B0000-0x000000000056E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-2-0x0000000000351000-0x000000000037F000-memory.dmp

Filesize
184KB

Download
memory/2944-3-0x0000000000350000-0x000000000080E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-18-0x0000000000350000-0x000000000080E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-19-0x00000000070B0000-0x000000000756E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-1-0x0000000077C70000-0x0000000077C72000-memory.dmp

Filesize
8KB

Download
memory/2944-4-0x0000000000350000-0x000000000080E000-memory.dmp

Filesize
4.7MB

Download
memory/2944-0-0x0000000000350000-0x000000000080E000-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