amadey | 634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321

General

Target

634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
Size

3.1MB
MD5

1f3880629f4830ad6b109bec208f274a
SHA1

55e3d4d3536eb1620d635a6350db4709dcff0ce2
SHA256

634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321
SHA512

3ba9d448fe0de299cfc0f83e902e8149fedff5e9dd3e3cdc3ac7fb153d54e7ab829a25ddd8794470c8e78fdc9178ca690dc3f69ecd2a7b2d61a38180004915e4
SSDEEP

98304:pPR9FCxdTCuiZARs+txszDbFuMtzKBbSN:pPR9HksgxcHFbm5

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Downloads MZ/PE file

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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe

Executes dropped EXE 2 IoCs

pid	Process
2532	skotes.exe
1316	e01481a216.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	skotes.exe

Loads dropped DLL 8 IoCs

pid	Process
2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
2532	skotes.exe
2740	WerFault.exe
2740	WerFault.exe
2740	WerFault.exe
2740	WerFault.exe
2740	WerFault.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
2532	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	1316	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e01481a216.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
2532	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2532	2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe	30
PID 2484 wrote to memory of 2532	2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe	30
PID 2484 wrote to memory of 2532	2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe	30
PID 2484 wrote to memory of 2532	2484	634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe	30
PID 2532 wrote to memory of 1316	2532	skotes.exe	33
PID 2532 wrote to memory of 1316	2532	skotes.exe	33
PID 2532 wrote to memory of 1316	2532	skotes.exe	33
PID 2532 wrote to memory of 1316	2532	skotes.exe	33
PID 1316 wrote to memory of 2740	1316	e01481a216.exe	34
PID 1316 wrote to memory of 2740	1316	e01481a216.exe	34
PID 1316 wrote to memory of 2740	1316	e01481a216.exe	34
PID 1316 wrote to memory of 2740	1316	e01481a216.exe	34

C:\Users\Admin\AppData\Local\Temp\634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.exe
"C:\Users\Admin\AppData\Local\Temp\634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321.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:2484
- 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
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Users\Admin\AppData\Local\Temp\1013886001\e01481a216.exe
    "C:\Users\Admin\AppData\Local\Temp\1013886001\e01481a216.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1316
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 44
      4⤵
      Loads dropped DLL
      Program crash
      PID:2740

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\1013886001\e01481a216.exe

Filesize
2.5MB

MD5
2a78ce9f3872f5e591d643459cabe476

SHA1
9ac947dfc71a868bc9c2eb2bd78dfb433067682e

SHA256
21a2ac44acd7a640735870eebfd04b8dc57bc66877cb5be3b929299e86a43dae

SHA512
03e2cd8161a1394ee535a2ea7d197791ab715d69a02ffab98121ec5ac8150d2b17a9a32a59307042c4bbeffad7425b55efa047651de6ed39277dba80711454f9

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

Filesize
3.1MB

MD5
1f3880629f4830ad6b109bec208f274a

SHA1
55e3d4d3536eb1620d635a6350db4709dcff0ce2

SHA256
634574bd010e80e3d6e50ef2483c5c74b9cf9685e0e8349159a1be862b8d7321

SHA512
3ba9d448fe0de299cfc0f83e902e8149fedff5e9dd3e3cdc3ac7fb153d54e7ab829a25ddd8794470c8e78fdc9178ca690dc3f69ecd2a7b2d61a38180004915e4

Download Submit
memory/1316-51-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/1316-49-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2484-0-0x0000000000920000-0x0000000000C3E000-memory.dmp

Filesize
3.1MB

Download
memory/2484-1-0x00000000779C0000-0x00000000779C2000-memory.dmp

Filesize
8KB

Download
memory/2484-2-0x0000000000921000-0x0000000000989000-memory.dmp

Filesize
416KB

Download
memory/2484-3-0x0000000000920000-0x0000000000C3E000-memory.dmp

Filesize
3.1MB

Download
memory/2484-5-0x0000000000920000-0x0000000000C3E000-memory.dmp

Filesize
3.1MB

Download
memory/2484-20-0x0000000000921000-0x0000000000989000-memory.dmp

Filesize
416KB

Download
memory/2484-18-0x0000000006D60000-0x000000000707E000-memory.dmp

Filesize
3.1MB

Download
memory/2484-17-0x0000000000920000-0x0000000000C3E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-29-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-21-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-27-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-28-0x0000000000071000-0x00000000000D9000-memory.dmp

Filesize
416KB

Download
memory/2532-25-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-31-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-32-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-33-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-23-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-22-0x0000000000071000-0x00000000000D9000-memory.dmp

Filesize
416KB

Download
memory/2532-50-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-26-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-52-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-58-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-59-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-60-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-61-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-62-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-63-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-64-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download
memory/2532-67-0x0000000000070000-0x000000000038E000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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