amadey | b0775c8fcdd8ebb0123f9b03757952498595475777fac3bbde3e90ed10d13558

Analysis

max time kernel
133s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 14:47

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General

Target

cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe
Size

359KB
MD5

1d35227dc69f9a1db2c7b1c8d8ba88ac
SHA1

37c2e710401fae57eb2458ed512d1542e7bb829b
SHA256

cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd
SHA512

a520fdbe8d7a9c4177946d9059a2315303803c70c2879e1c9aab78f250f6081c5ede6f74a1136540d6b7615d6082be968d44ebca736e2070acb3d745bf678a3d
SSDEEP

6144:KGy+bnr+qp0yN90QEIDI2LskW47xNhqRptDek7A5Wa2ttwLUWnqs:CMriy90uM2Loa68n/rz

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
behavioral17/files/0x00080000000235f4-13.dat	healer
behavioral17/memory/2920-14-0x00000000009D0000-0x00000000009DA000-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\DisableScanOnRealtimeEnable = "1"	a2281918.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a2281918.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a2281918.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a2281918.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a2281918.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a2281918.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	b0364715.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	pdates.exe

Executes dropped EXE 8 IoCs

pid	Process
4756	v8334746.exe
2920	a2281918.exe
3808	b0364715.exe
3112	pdates.exe
888	c4437139.exe
920	pdates.exe
1532	pdates.exe
4112	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"	a2281918.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\\\""	cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.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\\\""	v8334746.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c4437139.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c4437139.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c4437139.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
3192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2920	a2281918.exe
2920	a2281918.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	a2281918.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3808	b0364715.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 4756	4496	cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe	89
PID 4496 wrote to memory of 4756	4496	cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe	89
PID 4496 wrote to memory of 4756	4496	cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe	89
PID 4756 wrote to memory of 2920	4756	v8334746.exe	90
PID 4756 wrote to memory of 2920	4756	v8334746.exe	90
PID 4756 wrote to memory of 3808	4756	v8334746.exe	98
PID 4756 wrote to memory of 3808	4756	v8334746.exe	98
PID 4756 wrote to memory of 3808	4756	v8334746.exe	98
PID 3808 wrote to memory of 3112	3808	b0364715.exe	99
PID 3808 wrote to memory of 3112	3808	b0364715.exe	99
PID 3808 wrote to memory of 3112	3808	b0364715.exe	99
PID 4496 wrote to memory of 888	4496	cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe	100
PID 4496 wrote to memory of 888	4496	cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe	100
PID 4496 wrote to memory of 888	4496	cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe	100
PID 3112 wrote to memory of 3192	3112	pdates.exe	101
PID 3112 wrote to memory of 3192	3112	pdates.exe	101
PID 3112 wrote to memory of 3192	3112	pdates.exe	101
PID 3112 wrote to memory of 3996	3112	pdates.exe	103
PID 3112 wrote to memory of 3996	3112	pdates.exe	103
PID 3112 wrote to memory of 3996	3112	pdates.exe	103
PID 3996 wrote to memory of 5036	3996	cmd.exe	105
PID 3996 wrote to memory of 5036	3996	cmd.exe	105
PID 3996 wrote to memory of 5036	3996	cmd.exe	105
PID 3996 wrote to memory of 1972	3996	cmd.exe	106
PID 3996 wrote to memory of 1972	3996	cmd.exe	106
PID 3996 wrote to memory of 1972	3996	cmd.exe	106
PID 3996 wrote to memory of 2724	3996	cmd.exe	107
PID 3996 wrote to memory of 2724	3996	cmd.exe	107
PID 3996 wrote to memory of 2724	3996	cmd.exe	107
PID 3996 wrote to memory of 2944	3996	cmd.exe	108
PID 3996 wrote to memory of 2944	3996	cmd.exe	108
PID 3996 wrote to memory of 2944	3996	cmd.exe	108
PID 3996 wrote to memory of 1892	3996	cmd.exe	109
PID 3996 wrote to memory of 1892	3996	cmd.exe	109
PID 3996 wrote to memory of 1892	3996	cmd.exe	109
PID 3996 wrote to memory of 3032	3996	cmd.exe	110
PID 3996 wrote to memory of 3032	3996	cmd.exe	110
PID 3996 wrote to memory of 3032	3996	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe
"C:\Users\Admin\AppData\Local\Temp\cd303f71adeaea183389fffb15fb03508d79b98f35d685735ce2273417b6d4fd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8334746.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8334746.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2281918.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2281918.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2920
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b0364715.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b0364715.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3808
  - - 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:3112
    - - 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:3192
    - - 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:3996
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:5036
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:N"
        6⤵
        
        PID:1972
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "pdates.exe" /P "Admin:R" /E
        6⤵
        
        PID:2724
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:2944
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:N"
        6⤵
        
        PID:1892
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\925e7e99c5" /P "Admin:R" /E
        6⤵
        
        PID:3032
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4437139.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4437139.exe
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  PID:888

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=4216,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=4072 /prefetch:8
1⤵
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:920

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:1532

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
1⤵
- Executes dropped EXE
PID:4112

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\c4437139.exe

Filesize
36KB

MD5
9c20ed3f55c14c873cd05f8502e42296

SHA1
9a3fef2eed238316b8849f79a3c0cb79d0f4e283

SHA256
d5be28a70403999daf238358ea7d167389471330dc4497c7eb621154929ae74d

SHA512
77e812652ad2a1008c11ac9b616383172ee0d2f70893050eb44307e9564fa2fc3ae2e2f6a7fffa20d2194a4531ced75ab369b6715cb12f374ad7dea728028cee

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8334746.exe

Filesize
234KB

MD5
6272ed0ac9418facb951444fa58d7ad8

SHA1
6df1d87de7a5bc9d553082e96b570794abe0a07d

SHA256
f4ba14597a5790ac21e3b1ba4e331c02598261c024b1209dc02c0ec208f80227

SHA512
e67d928b291912c0a8a5402dd240b38d7b9a84d1d8cdee2f39c9358bc528d062d27dd95066720cee1793392fdc2b27f051a77c10dec12bc0664cccd3c9af9fa1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2281918.exe

Filesize
13KB

MD5
30750e622ca049a1011e86a10bd77ee6

SHA1
23e2b1894d0197327257c90f1ccbf962d075241b

SHA256
12aceb308b19b16a287f051e037668318a71081df2ff364a489e0b3c81f307db

SHA512
ccea67e56b9ae2623aa840aca461d13a569e2c2ee47c98f8dacedb69ddb8377341d20b59bd9635f8f45a8b444857c8a646c59723db9061a5a7af44387550c815

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b0364715.exe

Filesize
225KB

MD5
409567cc75a506738f67d83ea9d869d5

SHA1
f1e57c0d90e74d3e176c8db2ba04a9834bde1f38

SHA256
436ddab3efdb34eda8d48b0a7fb8c18df973fe7654c565da27cd0f5bd2651cc3

SHA512
0c3094f0155b35cec55549af51a4978f5e23b757882db9639a3a90d1afbf502233ccb5799f9bb8d13be8e040c5156e1b6bebcc8c3d0f2358f30a63763fb117b5

Download Submit
memory/888-33-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2920-15-0x00007FFF16003000-0x00007FFF16005000-memory.dmp

Filesize
8KB

Download
memory/2920-14-0x00000000009D0000-0x00000000009DA000-memory.dmp

Filesize
40KB

Download