amadey | 8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5

General

Target
8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5.exe
Size 321KB
Sample261107-vs55wsev5j
SHA256 8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5
MD5 8c99d1a8660a91bc17515ce50ee6b236
SHA1 845a2684038c5f00719132f22986a6e87bc7718c
SHA512 81ab1c83fd3687e1248de9e5a5e6d133425d7f5d2e145f9d798b98bb4c64bbb6300c199dd1063cf7459565266caa1c45e7b35656a7042f2879a43d5b6ee46557
SSDEEP 6144:SR9eh569+UR6P3zIwkp4p2k/DPaZHwc3eoe6u17MgAOIMs8Bq:Sfm5BB7kpi2k/ae6u17pa8Bq
TLSH
T1966439417952C072D960A1721AB5BFF2C59D68249BB049DB7BC00F76DB212E77A30F3A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

59b440 discovery execution amadey persistence trojan

Malware Config

Extracted

Family

amadey

Version

3.87

Botnet

59b440

C2

http://77.91.68.18

Attributes

install_dir
b40d11255d
install_file
saves.exe
strings_key
fa622dfc42544927a6471829ee1fa9fe
url_paths
/nice/index.php

rc4.plain

Signatures

Family: Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Detects Amadey x86-bit Payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c3de-3.dat	family_amadey_v2

Executes dropped EXE 4 IoCs

pid	Process
4828	saves.exe
3368	saves.exe
1208	saves.exe
1412	saves.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5872	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	saves.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	saves.exe

System Location Discovery: System Language Discovery 1 TTPs 10 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	8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	saves.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2808	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 4828	3280	8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5.exe	89
PID 4828 wrote to memory of 2808	4828	saves.exe	90
PID 4828 wrote to memory of 5872	4828	saves.exe	92
PID 5872 wrote to memory of 2312	5872	cmd.exe	94
PID 5872 wrote to memory of 5860	5872	cmd.exe	95
PID 5872 wrote to memory of 4960	5872	cmd.exe	96
PID 5872 wrote to memory of 2448	5872	cmd.exe	97
PID 5872 wrote to memory of 3312	5872	cmd.exe	98
PID 5872 wrote to memory of 2856	5872	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5.exe
"C:\Users\Admin\AppData\Local\Temp\8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3280
- C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
  "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2808
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5872
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2312
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "saves.exe" /P "Admin:N"
      4⤵
      System Location Discovery: System Language Discovery
      PID:5860
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "saves.exe" /P "Admin:R" /E
      4⤵
      System Location Discovery: System Language Discovery
      PID:4960
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2448
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\b40d11255d" /P "Admin:N"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3312
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\b40d11255d" /P "Admin:R" /E
      4⤵
      System Location Discovery: System Language Discovery
      PID:2856

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:3368

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
"C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
1⤵
- Executes dropped EXE
PID:1208

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
"C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
1⤵
- Executes dropped EXE
PID:1412

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

saves.exe

Path C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
Size 321KB
SHA256 8b5d014d5094d5b7a616c0ba88127b9dff8f3ed67bdd378e2b7a214c867f4ea5
MD5 8c99d1a8660a91bc17515ce50ee6b236
SHA1 845a2684038c5f00719132f22986a6e87bc7718c
SHA512 81ab1c83fd3687e1248de9e5a5e6d133425d7f5d2e145f9d798b98bb4c64bbb6300c199dd1063cf7459565266caa1c45e7b35656a7042f2879a43d5b6ee46557
SSDEEP 6144:SR9eh569+UR6P3zIwkp4p2k/DPaZHwc3eoe6u17MgAOIMs8Bq:Sfm5BB7kpi2k/ae6u17pa8Bq
TLSH
T1966439417952C072D960A1721AB5BFF2C59D68249BB049DB7BC00F76DB212E77A30F3A
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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