amadey | 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459

General

Target

2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
Size

416KB
MD5

f5d7b79ee6b6da6b50e536030bcc3b59
SHA1

751b555a8eede96d55395290f60adc43b28ba5e2
SHA256

2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459
SHA512

532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46
SSDEEP

12288:ISqMakU3v+GYLWIjD9dSbvBG5u2uQjdQco:jq53v+G4Wwub8Ljaco

Score

10^/10

amadey ec08f7 discovery trojan

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

ec08f7

C2

http://185.215.113.26

Attributes

install_dir
054fdc5f70
install_file
Hkbsse.exe
strings_key
783c46f70668d3eed42e83c9f00fc0f5
url_paths
/Dem7kTu/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Downloads MZ/PE file

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/files/0x0007000000016c88-15.dat	net_reactor
behavioral1/memory/2056-25-0x0000000000220000-0x0000000000E44000-memory.dmp	net_reactor

Executes dropped EXE 2 IoCs

pid	Process
320	Hkbsse.exe
2056	openVPN.exe

Loads dropped DLL 2 IoCs

pid	Process
1920	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
320	Hkbsse.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2056 set thread context of 1704	2056	openVPN.exe	33

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Hkbsse.job	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.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
1848	1704	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 4 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	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Hkbsse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openVPN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	openVPN.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1920	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 320	1920	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe	30
PID 1920 wrote to memory of 320	1920	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe	30
PID 1920 wrote to memory of 320	1920	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe	30
PID 1920 wrote to memory of 320	1920	2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe	30
PID 320 wrote to memory of 2056	320	Hkbsse.exe	32
PID 320 wrote to memory of 2056	320	Hkbsse.exe	32
PID 320 wrote to memory of 2056	320	Hkbsse.exe	32
PID 320 wrote to memory of 2056	320	Hkbsse.exe	32
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 2056 wrote to memory of 1704	2056	openVPN.exe	33
PID 1704 wrote to memory of 1848	1704	RegAsm.exe	34
PID 1704 wrote to memory of 1848	1704	RegAsm.exe	34
PID 1704 wrote to memory of 1848	1704	RegAsm.exe	34
PID 1704 wrote to memory of 1848	1704	RegAsm.exe	34

C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
"C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
  "C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:320
- - C:\Users\Admin\AppData\Local\Temp\1000042001\openVPN.exe
    "C:\Users\Admin\AppData\Local\Temp\1000042001\openVPN.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2056
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1704
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 368
        5⤵
        Program crash
        
        PID:1848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1000042001\openVPN.exe

Filesize
12.1MB

MD5
269a751b0c6d68cc39b2267c1592dae2

SHA1
2ead3153069297c67bb33c7a83e63d2721aa9f4d

SHA256
319d1dc217b7e83a85dd62cb2c066156ba5579087f11c991a99089606979ca28

SHA512
d8da3bf11287c5168544c3d39460b428252dd1f60f7777a3770bc537f89def019078f46b9695a78338bc227e67c902494912d36dcd046e2a514bd0bd96107929

Download Submit
\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe

Filesize
416KB

MD5
f5d7b79ee6b6da6b50e536030bcc3b59

SHA1
751b555a8eede96d55395290f60adc43b28ba5e2

SHA256
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459

SHA512
532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46

Download Submit
memory/1704-37-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-35-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-39-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-31-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-33-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-29-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-43-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-45-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-42-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/1704-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1920-1-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/2056-25-0x0000000000220000-0x0000000000E44000-memory.dmp

Filesize
12.1MB

Download
memory/2056-28-0x0000000001110000-0x0000000001132000-memory.dmp

Filesize
136KB

Download
memory/2056-27-0x00000000072C0000-0x000000000754C000-memory.dmp

Filesize
2.5MB

Download
memory/2056-26-0x0000000006E40000-0x00000000072B8000-memory.dmp

Filesize
4.5MB

Download

Analysis

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