amadey | c9b511ede4963bc4ce43425a950014c7b4fedde81add8febb049359e2d3e4704

General

Target

88345910e7756216c80bf4046952980b.exe
Size

2.1MB
MD5

88345910e7756216c80bf4046952980b
SHA1

f508e862e3d2b48a83dfa064d4655035953482c0
SHA256

c9b511ede4963bc4ce43425a950014c7b4fedde81add8febb049359e2d3e4704
SHA512

a53f0242ae77be006bf9d22b42764de414f94e98dd5eb716db5d7286555826a3317a80a00c0c2448ad836c16181168c5f77da954cc29978f1d023bac42d28845
SSDEEP

49152:yhpo+E+QRPrT0O7tDr5uWwt4ZKYXhRn+lOxfMfps:yhy+xIzT0A5uruXLn+lOxfMf

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__	88345910e7756216c80bf4046952980b.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	88345910e7756216c80bf4046952980b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	88345910e7756216c80bf4046952980b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2256	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	88345910e7756216c80bf4046952980b.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
2124	88345910e7756216c80bf4046952980b.exe
2124	88345910e7756216c80bf4046952980b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2124	88345910e7756216c80bf4046952980b.exe
2256	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	88345910e7756216c80bf4046952980b.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88345910e7756216c80bf4046952980b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2124	88345910e7756216c80bf4046952980b.exe
2256	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2124	88345910e7756216c80bf4046952980b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2256	2124	88345910e7756216c80bf4046952980b.exe	30
PID 2124 wrote to memory of 2256	2124	88345910e7756216c80bf4046952980b.exe	30
PID 2124 wrote to memory of 2256	2124	88345910e7756216c80bf4046952980b.exe	30
PID 2124 wrote to memory of 2256	2124	88345910e7756216c80bf4046952980b.exe	30

C:\Users\Admin\AppData\Local\Temp\88345910e7756216c80bf4046952980b.exe
"C:\Users\Admin\AppData\Local\Temp\88345910e7756216c80bf4046952980b.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:2124
- 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:2256

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

1

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
2.1MB

MD5
88345910e7756216c80bf4046952980b

SHA1
f508e862e3d2b48a83dfa064d4655035953482c0

SHA256
c9b511ede4963bc4ce43425a950014c7b4fedde81add8febb049359e2d3e4704

SHA512
a53f0242ae77be006bf9d22b42764de414f94e98dd5eb716db5d7286555826a3317a80a00c0c2448ad836c16181168c5f77da954cc29978f1d023bac42d28845

Download Submit
memory/2124-22-0x0000000000E41000-0x0000000000EA9000-memory.dmp

Filesize
416KB

Download
memory/2124-1-0x0000000077810000-0x0000000077812000-memory.dmp

Filesize
8KB

Download
memory/2124-2-0x0000000000E41000-0x0000000000EA9000-memory.dmp

Filesize
416KB

Download
memory/2124-3-0x0000000000E40000-0x0000000001303000-memory.dmp

Filesize
4.8MB

Download
memory/2124-4-0x0000000000E40000-0x0000000001303000-memory.dmp

Filesize
4.8MB

Download
memory/2124-0-0x0000000000E40000-0x0000000001303000-memory.dmp

Filesize
4.8MB

Download
memory/2124-20-0x0000000006DC0000-0x0000000007283000-memory.dmp

Filesize
4.8MB

Download
memory/2124-19-0x0000000000E40000-0x0000000001303000-memory.dmp

Filesize
4.8MB

Download
memory/2124-18-0x0000000000E40000-0x0000000001303000-memory.dmp

Filesize
4.8MB

Download
memory/2256-30-0x00000000013B1000-0x0000000001419000-memory.dmp

Filesize
416KB

Download
memory/2256-34-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-24-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-26-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-27-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-28-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-21-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-29-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-31-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-32-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-33-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-23-0x00000000013B1000-0x0000000001419000-memory.dmp

Filesize
416KB

Download
memory/2256-35-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-36-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-37-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-38-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-39-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-40-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-41-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-42-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-43-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download
memory/2256-44-0x00000000013B0000-0x0000000001873000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads