amadey | 4ce71244da4dd5d9b0b7535c6b62aebf516adc87a36195170af93efa3a630b9f

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 16:40

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General

Target

9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe
Size

234KB
MD5

2dfe4d2812a48ddbf22392cc3a90970b
SHA1

4f1b63d32b90a492f98673c94646a42a6e853ac6
SHA256

9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2
SHA512

8b30e6f60dc809e9411dd14439766ec61da1ce41170a987c6c917abfe8df3985d8d6870672b38e72c10317e178e032fdc94f1f36bc4c48cc79938ae9d7c9b6da
SSDEEP

3072:KBy+bnr+O1H5GWp1icKAArDZz4N9GhbkrNEk1E6D5dMOt7WQqwuoFoX:KBy+bnr+Ap0yN90QENzDQqwS

Score

10^/10

amadey healer 88c8bb dropper evasion persistence trojan

Malware Config

Extracted

Family

amadey

Version

3.86

Botnet

88c8bb

http://77.91.68.61

Attributes

install_dir
925e7e99c5
install_file
pdates.exe
strings_key
ada76b8b0e1f6892ee93c20ab8946117
url_paths
/rock/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
behavioral17/files/0x000900000002326e-4.dat	healer
behavioral17/memory/4760-8-0x0000000000F60000-0x0000000000F6A000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8400544.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8400544.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8400544.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a8400544.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8400544.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8400544.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	b7161503.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	pdates.exe

Executes dropped EXE 6 IoCs

pid	Process
4760	a8400544.exe
4484	b7161503.exe
1712	pdates.exe
844	pdates.exe
3828	pdates.exe
1988	pdates.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"	a8400544.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\\\""	9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.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
3812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4760	a8400544.exe
4760	a8400544.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4760	a8400544.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4484	b7161503.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 4760	636	9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe	91
PID 636 wrote to memory of 4760	636	9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe	91
PID 636 wrote to memory of 4484	636	9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe	92
PID 636 wrote to memory of 4484	636	9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe	92
PID 636 wrote to memory of 4484	636	9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe	92
PID 4484 wrote to memory of 1712	4484	b7161503.exe	93
PID 4484 wrote to memory of 1712	4484	b7161503.exe	93
PID 4484 wrote to memory of 1712	4484	b7161503.exe	93
PID 1712 wrote to memory of 3812	1712	pdates.exe	94
PID 1712 wrote to memory of 3812	1712	pdates.exe	94
PID 1712 wrote to memory of 3812	1712	pdates.exe	94
PID 1712 wrote to memory of 1384	1712	pdates.exe	96
PID 1712 wrote to memory of 1384	1712	pdates.exe	96
PID 1712 wrote to memory of 1384	1712	pdates.exe	96
PID 1384 wrote to memory of 1040	1384	cmd.exe	98
PID 1384 wrote to memory of 1040	1384	cmd.exe	98
PID 1384 wrote to memory of 1040	1384	cmd.exe	98
PID 1384 wrote to memory of 1556	1384	cmd.exe	99
PID 1384 wrote to memory of 1556	1384	cmd.exe	99
PID 1384 wrote to memory of 1556	1384	cmd.exe	99
PID 1384 wrote to memory of 548	1384	cmd.exe	100
PID 1384 wrote to memory of 548	1384	cmd.exe	100
PID 1384 wrote to memory of 548	1384	cmd.exe	100
PID 1384 wrote to memory of 1368	1384	cmd.exe	101
PID 1384 wrote to memory of 1368	1384	cmd.exe	101
PID 1384 wrote to memory of 1368	1384	cmd.exe	101
PID 1384 wrote to memory of 5012	1384	cmd.exe	102
PID 1384 wrote to memory of 5012	1384	cmd.exe	102
PID 1384 wrote to memory of 5012	1384	cmd.exe	102
PID 1384 wrote to memory of 4336	1384	cmd.exe	103
PID 1384 wrote to memory of 4336	1384	cmd.exe	103
PID 1384 wrote to memory of 4336	1384	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe
"C:\Users\Admin\AppData\Local\Temp\9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a8400544.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a8400544.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4760
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7161503.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7161503.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4484
- - C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
    "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1712
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN pdates.exe /TR "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe" /F
      4⤵
      Creates scheduled task(s)
      PID:3812
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "pdates.exe" /P "Admin:N"&&CACLS "pdates.exe" /P "Admin:R" /E&&echo Y|CACLS "..\925e7e99c5" /P "Admin:N"&&CACLS "..\925e7e99c5" /P "Admin:R" /E&&Exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1384
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        5⤵
        
        PID:1040
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:N"
        5⤵
        
        PID:1556
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:R" /E
        5⤵
        
        PID:548
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        5⤵
        
        PID:1368
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:N"
        5⤵
        
        PID:5012
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:R" /E
        5⤵
        
        PID:4336

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:844

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:4768

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:3828

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:1988

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\a8400544.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7161503.exe

Filesize
235KB

MD5
bc91e6e768fd91095e2345589ee83b4a

SHA1
8d1b66b836cb0e5134a3f807e6f552068ae3e049

SHA256
d0ad15538e2a3f9aedb1b72fcd30581d83b8ca9e8e044f1a404cd3a71cc601a4

SHA512
2d8766287f50a95994a2c4496f09114406faa469baeb3719c061e08b323dd359338ba0a8fe526c2f7138fa1c8fa3018743ce2a26203626ecc5901e179d5224b1

Download Submit
memory/4760-7-0x00007FFAE8E23000-0x00007FFAE8E25000-memory.dmp

Filesize
8KB

Download
memory/4760-8-0x0000000000F60000-0x0000000000F6A000-memory.dmp

Filesize
40KB

Download