amadey | 2685b451d5bc5d1cd7c159a87efdfacd5a60c314491404e6e60e752ba3db90cf

Analysis

max time kernel
130s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 15:27

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General

Target

40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe
Size

359KB
MD5

eb475f3a8c4a25a19fa0abdc1e907952
SHA1

8988b40a69f6cb754a42bc5c7871ed839629b504
SHA256

40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71
SHA512

3199b26a1ce8049c64556a2a9d0465c3ffa479594ca01d7ce052ba64fd128ab9da6302bf55baaaf59479e3a4c53f0569d93d7bb4d1566d1d65b4864b4a20af09
SSDEEP

6144:Kiy+bnr+Yp0yN90QE0u4z6ibeyRRmxXl7FiiOhCn2v2wTcpnC:2MrMy90N4z6iExV3OhCn2xt

Score

10^/10

amadey healer smokeloader backdoor dropper evasion persistence trojan

Malware Config

Extracted

Family

amadey

Version

3.86

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
behavioral10/files/0x000800000002353a-12.dat	healer
behavioral10/memory/1404-15-0x0000000000460000-0x000000000046A000-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	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
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

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	b7161503.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	pdates.exe

Executes dropped EXE 7 IoCs

pid	Process
2944	v1890207.exe
1404	a8400544.exe
388	b7161503.exe
4416	pdates.exe
3064	c9747003.exe
1412	pdates.exe
3160	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 2 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\\\""	40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	v1890207.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c9747003.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c9747003.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c9747003.exe

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
400	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1404	a8400544.exe
1404	a8400544.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	a8400544.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
388	b7161503.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2944	1444	40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe	89
PID 1444 wrote to memory of 2944	1444	40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe	89
PID 1444 wrote to memory of 2944	1444	40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe	89
PID 2944 wrote to memory of 1404	2944	v1890207.exe	90
PID 2944 wrote to memory of 1404	2944	v1890207.exe	90
PID 2944 wrote to memory of 388	2944	v1890207.exe	98
PID 2944 wrote to memory of 388	2944	v1890207.exe	98
PID 2944 wrote to memory of 388	2944	v1890207.exe	98
PID 388 wrote to memory of 4416	388	b7161503.exe	99
PID 388 wrote to memory of 4416	388	b7161503.exe	99
PID 388 wrote to memory of 4416	388	b7161503.exe	99
PID 1444 wrote to memory of 3064	1444	40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe	100
PID 1444 wrote to memory of 3064	1444	40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe	100
PID 1444 wrote to memory of 3064	1444	40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe	100
PID 4416 wrote to memory of 400	4416	pdates.exe	101
PID 4416 wrote to memory of 400	4416	pdates.exe	101
PID 4416 wrote to memory of 400	4416	pdates.exe	101
PID 4416 wrote to memory of 2352	4416	pdates.exe	103
PID 4416 wrote to memory of 2352	4416	pdates.exe	103
PID 4416 wrote to memory of 2352	4416	pdates.exe	103
PID 2352 wrote to memory of 4480	2352	cmd.exe	105
PID 2352 wrote to memory of 4480	2352	cmd.exe	105
PID 2352 wrote to memory of 4480	2352	cmd.exe	105
PID 2352 wrote to memory of 1768	2352	cmd.exe	106
PID 2352 wrote to memory of 1768	2352	cmd.exe	106
PID 2352 wrote to memory of 1768	2352	cmd.exe	106
PID 2352 wrote to memory of 2100	2352	cmd.exe	107
PID 2352 wrote to memory of 2100	2352	cmd.exe	107
PID 2352 wrote to memory of 2100	2352	cmd.exe	107
PID 2352 wrote to memory of 2284	2352	cmd.exe	108
PID 2352 wrote to memory of 2284	2352	cmd.exe	108
PID 2352 wrote to memory of 2284	2352	cmd.exe	108
PID 2352 wrote to memory of 3788	2352	cmd.exe	109
PID 2352 wrote to memory of 3788	2352	cmd.exe	109
PID 2352 wrote to memory of 3788	2352	cmd.exe	109
PID 2352 wrote to memory of 4172	2352	cmd.exe	110
PID 2352 wrote to memory of 4172	2352	cmd.exe	110
PID 2352 wrote to memory of 4172	2352	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe
"C:\Users\Admin\AppData\Local\Temp\40fbde6d35302d77db924d8a4db6569c23336d9205e82f12a82228cc100edb71.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1890207.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1890207.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8400544.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8400544.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1404
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7161503.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7161503.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:388
  - - C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
      "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4416
    - - 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
        5⤵
        Creates scheduled task(s)
        
        PID:400
    - - 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
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2352
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:4480
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:N"
        6⤵
        
        PID:1768
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:R" /E
        6⤵
        
        PID:2100
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:2284
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:N"
        6⤵
        
        PID:3788
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:R" /E
        6⤵
        
        PID:4172
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c9747003.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c9747003.exe
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  PID:3064

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 --field-trial-handle=4456,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8
1⤵
PID:4380

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:1412

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:3160

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

Peripheral Device Discovery

T1120

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\c9747003.exe

Filesize
42KB

MD5
6b8535ff7acd76f5a865bfa3e04fe4f7

SHA1
26d3dc99f638cf9cae4681dd14269fe9723c904b

SHA256
acf67950c3da59de03f145d42b15fb141395c524a091a46a0cc24d07e3e286da

SHA512
ea3a27b4bb1bb8050b593f64f9bb9bf6ba53de10fb7e12a1e6687e156d85fb5757a1797ad7a7b6cc966730c9fa9b713b8ec01f1e2c2b315977ed47441571f83a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1890207.exe

Filesize
234KB

MD5
2dfe4d2812a48ddbf22392cc3a90970b

SHA1
4f1b63d32b90a492f98673c94646a42a6e853ac6

SHA256
9e6f3fd3f785137a445cbe56ff06c292a6df24180f53811fc86132a2bd4859c2

SHA512
8b30e6f60dc809e9411dd14439766ec61da1ce41170a987c6c917abfe8df3985d8d6870672b38e72c10317e178e032fdc94f1f36bc4c48cc79938ae9d7c9b6da

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8400544.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7161503.exe

Filesize
235KB

MD5
bc91e6e768fd91095e2345589ee83b4a

SHA1
8d1b66b836cb0e5134a3f807e6f552068ae3e049

SHA256
d0ad15538e2a3f9aedb1b72fcd30581d83b8ca9e8e044f1a404cd3a71cc601a4

SHA512
2d8766287f50a95994a2c4496f09114406faa469baeb3719c061e08b323dd359338ba0a8fe526c2f7138fa1c8fa3018743ce2a26203626ecc5901e179d5224b1

Download Submit
memory/1404-14-0x00007FFF00073000-0x00007FFF00075000-memory.dmp

Filesize
8KB

Download
memory/1404-15-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/3064-32-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3064-34-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download