amadey | 21675cef02c5d516a93f59d70c16d083ffa8be9792fa8f40e53212708d321c6d

Analysis

max time kernel
133s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 18:20

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General

Target

7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe
Size

234KB
MD5

f49341a76d3b4070cf58c0081196772f
SHA1

193bb28846d75d8c250304787027969b9b69b622
SHA256

7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d
SHA512

7a831be3a1c121d3dbc4f292a9782394bc25c486f38bf0c5000058726e97b3ec6e46112dcff8b87dda33b8c39974c5dee670285dc67883f6d58432e9c21b9235
SSDEEP

3072:Key+bnr+O175GWp1icKAArDZz4N9GhbkrNEk1M7CZBmbxwUPiPdvuQtokpBQyvU6:Key+bnr+Ip0yN90QEtC/cO/TBpwo+

Score

10^/10

amadey healer fb0fb8 dropper evasion persistence trojan

Malware Config

Extracted

Family

amadey

Version

3.89

Botnet

fb0fb8

http://77.91.68.52

Attributes

install_dir
fefffe8cea
install_file
explonde.exe
strings_key
916aae73606d7a9e02a1d3b47c199688
url_paths
/mac/index.php

rc4.plain

Signatures

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

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral13/files/0x00080000000234a7-5.dat	healer
behavioral13/memory/3500-7-0x0000000000D80000-0x0000000000D8A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	q6415621.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	q6415621.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	q6415621.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	q6415621.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	q6415621.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	q6415621.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	r9112135.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	explonde.exe

Executes dropped EXE 5 IoCs

pid	Process
3500	q6415621.exe
2596	r9112135.exe
1664	explonde.exe
2136	explonde.exe
4628	explonde.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	q6415621.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3500	q6415621.exe
3500	q6415621.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3500	q6415621.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 3500	1032	7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe	82
PID 1032 wrote to memory of 3500	1032	7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe	82
PID 1032 wrote to memory of 2596	1032	7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe	92
PID 1032 wrote to memory of 2596	1032	7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe	92
PID 1032 wrote to memory of 2596	1032	7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe	92
PID 2596 wrote to memory of 1664	2596	r9112135.exe	93
PID 2596 wrote to memory of 1664	2596	r9112135.exe	93
PID 2596 wrote to memory of 1664	2596	r9112135.exe	93
PID 1664 wrote to memory of 4308	1664	explonde.exe	94
PID 1664 wrote to memory of 4308	1664	explonde.exe	94
PID 1664 wrote to memory of 4308	1664	explonde.exe	94
PID 1664 wrote to memory of 4940	1664	explonde.exe	96
PID 1664 wrote to memory of 4940	1664	explonde.exe	96
PID 1664 wrote to memory of 4940	1664	explonde.exe	96
PID 4940 wrote to memory of 2332	4940	cmd.exe	98
PID 4940 wrote to memory of 2332	4940	cmd.exe	98
PID 4940 wrote to memory of 2332	4940	cmd.exe	98
PID 4940 wrote to memory of 5044	4940	cmd.exe	99
PID 4940 wrote to memory of 5044	4940	cmd.exe	99
PID 4940 wrote to memory of 5044	4940	cmd.exe	99
PID 4940 wrote to memory of 2752	4940	cmd.exe	100
PID 4940 wrote to memory of 2752	4940	cmd.exe	100
PID 4940 wrote to memory of 2752	4940	cmd.exe	100
PID 4940 wrote to memory of 2796	4940	cmd.exe	101
PID 4940 wrote to memory of 2796	4940	cmd.exe	101
PID 4940 wrote to memory of 2796	4940	cmd.exe	101
PID 4940 wrote to memory of 2276	4940	cmd.exe	102
PID 4940 wrote to memory of 2276	4940	cmd.exe	102
PID 4940 wrote to memory of 2276	4940	cmd.exe	102
PID 4940 wrote to memory of 3168	4940	cmd.exe	103
PID 4940 wrote to memory of 3168	4940	cmd.exe	103
PID 4940 wrote to memory of 3168	4940	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe
"C:\Users\Admin\AppData\Local\Temp\7348ee4e4ed1a5e949c6ba0b2c8eaee7bf5d5f120e8c79c61accf44a24e12c6d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6415621.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6415621.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3500
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r9112135.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r9112135.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
    "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1664
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN explonde.exe /TR "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe" /F
      4⤵
      Creates scheduled task(s)
      PID:4308
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "explonde.exe" /P "Admin:N"&&CACLS "explonde.exe" /P "Admin:R" /E&&echo Y|CACLS "..\fefffe8cea" /P "Admin:N"&&CACLS "..\fefffe8cea" /P "Admin:R" /E&&Exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4940
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        5⤵
        
        PID:2332
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "explonde.exe" /P "Admin:N"
        5⤵
        
        PID:5044
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "explonde.exe" /P "Admin:R" /E
        5⤵
        
        PID:2752
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        5⤵
        
        PID:2796
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\fefffe8cea" /P "Admin:N"
        5⤵
        
        PID:2276
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\fefffe8cea" /P "Admin:R" /E
        5⤵
        
        PID:3168

C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
1⤵
- Executes dropped EXE
PID:2136

C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
1⤵
- Executes dropped EXE
PID:4628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q6415621.exe

Filesize
12KB

MD5
15a15134f3a6e55f7b03639811cc71b7

SHA1
1cc154fcd448833a63affb9403195c46a1324bdf

SHA256
2c85db1034a9d1211a4fd37b5496ed3c0e19d4a5bb5e2578ac1072d5bae1df12

SHA512
d7ebbb60f2c9cf5e8a5345ef76b64386eba5cbaacef92d3ae9aac34fcd0ea02614d30fa233c4943d7cefaf04c2f7b7b5026e33bb16f6f23c2a20cb23bfee007f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r9112135.exe

Filesize
220KB

MD5
ef1824b0ea0bd0d5a29da0be8eb7f403

SHA1
dd44ff8acb60f1b624c245429561ccf171df2a7c

SHA256
99d0aa7558558fc862cc710ebf912becf8cb8e4b04fb58fceffc4aee33b0ba20

SHA512
b3fb0b35f5be6319d3a96036e7ec041ba55960de35fc3b9d6eb75f9f39e6a92de143a33fce0063ac086140622877526423d37411bdae290f093abaafe5ea0ec5

Download Submit
memory/3500-7-0x0000000000D80000-0x0000000000D8A000-memory.dmp

Filesize
40KB

Download
memory/3500-8-0x00007FFAE9523000-0x00007FFAE9525000-memory.dmp

Filesize
8KB

Download