amadey | 4f21fa7d1daaab88aaa4ffccab5145e36a6ee21ef9da888338f47ed2eafffee1

General

Target

f9393cab0312e8fe8d137dee1cab8e89.exe
Size

2.0MB
MD5

f9393cab0312e8fe8d137dee1cab8e89
SHA1

42bbc486cb4c6851bf57e44a7aee43e0bdd395c9
SHA256

4f21fa7d1daaab88aaa4ffccab5145e36a6ee21ef9da888338f47ed2eafffee1
SHA512

9672909346896ccfa3d0899984285a7f04e734150cd39b04345e32bf2d9cf23282edc1d5645aebcd838c2ef1f429ed3abcd3c3e98c503612c4817b68a5e100ec
SSDEEP

49152:QRWsflRk8YpyLbvvdSlG/76F+vqGtJmEDL4456wjNRuEey8KzXZJxIvigIk4vfFJ:oWL8AwDHe+XIiS4vfqorz2Ehiy

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__	f9393cab0312e8fe8d137dee1cab8e89.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
5	2900	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\SystemBiosVersion	f9393cab0312e8fe8d137dee1cab8e89.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f9393cab0312e8fe8d137dee1cab8e89.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	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	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	f9393cab0312e8fe8d137dee1cab8e89.exe

Loads dropped DLL 2 IoCs

pid	Process
2240	f9393cab0312e8fe8d137dee1cab8e89.exe
2240	f9393cab0312e8fe8d137dee1cab8e89.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2240	f9393cab0312e8fe8d137dee1cab8e89.exe
2900	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	f9393cab0312e8fe8d137dee1cab8e89.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	f9393cab0312e8fe8d137dee1cab8e89.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2240	f9393cab0312e8fe8d137dee1cab8e89.exe
2900	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2240	f9393cab0312e8fe8d137dee1cab8e89.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2900	2240	f9393cab0312e8fe8d137dee1cab8e89.exe	30
PID 2240 wrote to memory of 2900	2240	f9393cab0312e8fe8d137dee1cab8e89.exe	30
PID 2240 wrote to memory of 2900	2240	f9393cab0312e8fe8d137dee1cab8e89.exe	30
PID 2240 wrote to memory of 2900	2240	f9393cab0312e8fe8d137dee1cab8e89.exe	30

C:\Users\Admin\AppData\Local\Temp\f9393cab0312e8fe8d137dee1cab8e89.exe
"C:\Users\Admin\AppData\Local\Temp\f9393cab0312e8fe8d137dee1cab8e89.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:2240
- 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)
  - Downloads MZ/PE file
  - 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:2900

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\1074090001\KUQRYpJ.exe

Filesize
2.7MB

MD5
e0f767765c90cde5a771ab4fe6b9c102

SHA1
984801b319b84865e0ca09c6aa1d6c14f04b14f6

SHA256
768d11519a7282fbef2f8c3f7df329b0c63bcbfb3bd0813e58122c1c935d1045

SHA512
54d3a6ec7017e3f6c1b974c741d0a769a44b26809af4277f2e24f232a0ccfebc06c644e378ff4200c55f383d134b733ba09d76d6062d354048a1133f883b242f

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

Filesize
2.0MB

MD5
f9393cab0312e8fe8d137dee1cab8e89

SHA1
42bbc486cb4c6851bf57e44a7aee43e0bdd395c9

SHA256
4f21fa7d1daaab88aaa4ffccab5145e36a6ee21ef9da888338f47ed2eafffee1

SHA512
9672909346896ccfa3d0899984285a7f04e734150cd39b04345e32bf2d9cf23282edc1d5645aebcd838c2ef1f429ed3abcd3c3e98c503612c4817b68a5e100ec

Download Submit
memory/2240-0-0x0000000001040000-0x00000000014D8000-memory.dmp

Filesize
4.6MB

Download
memory/2240-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

Filesize
8KB

Download
memory/2240-2-0x0000000001041000-0x00000000010A9000-memory.dmp

Filesize
416KB

Download
memory/2240-3-0x0000000001040000-0x00000000014D8000-memory.dmp

Filesize
4.6MB

Download
memory/2240-5-0x0000000001040000-0x00000000014D8000-memory.dmp

Filesize
4.6MB

Download
memory/2240-16-0x0000000006B60000-0x0000000006FF8000-memory.dmp

Filesize
4.6MB

Download
memory/2240-21-0x0000000001041000-0x00000000010A9000-memory.dmp

Filesize
416KB

Download
memory/2240-20-0x0000000001040000-0x00000000014D8000-memory.dmp

Filesize
4.6MB

Download
memory/2240-17-0x0000000006B60000-0x0000000006FF8000-memory.dmp

Filesize
4.6MB

Download
memory/2900-29-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-35-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-27-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-25-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-28-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-23-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-30-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-31-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-32-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-33-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-34-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-24-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-22-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-44-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-47-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-48-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-49-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-50-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-51-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-52-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download
memory/2900-53-0x0000000000E80000-0x0000000001318000-memory.dmp

Filesize
4.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads