metasploit | 51f415b35bde63c99353aa076d2441f890f190ee3a6190bb486c21dd71ad9cb4

Analysis

max time kernel
140s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/03/2025, 14:21

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General

Target

anan.pdf
Size

45KB
MD5

b2f7ebdcf70cf2210918c9dfdd45b6cf
SHA1

854f97c670ef309ffe9ae92e40e41652a0c7582b
SHA256

51f415b35bde63c99353aa076d2441f890f190ee3a6190bb486c21dd71ad9cb4
SHA512

db9b4aa7c5a69df630b4c71ac2f857d74edf1545606c41fd56cddb2dce9a261428d9d9481add0d2c79fe633adfdfcb32fb00317b90bac63fde717dd5fc969c0f
SSDEEP

768:cWUaQvmyMvRv5W67aeKvG2NtO+s2NpiCchMkFA5gygUVNLbtTe4dXKS5kBDcR:c3awmfvRU6mNvnNc28APPLTdpwcR

Score

10^/10

metasploit backdoor discovery trojan

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

10.0.2.15:443

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Metasploit family
metasploit

Executes dropped EXE 1 IoCs

pid	Process
2872	template.pdf

Loads dropped DLL 2 IoCs

pid	Process
2300	cmd.exe
2300	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	template.pdf

Modifies registry class 31 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	AcroRd32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Mode = "4"	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1092616257"	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	AcroRd32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\LogicalViewMode = "1"	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_TopViewVersion = "0"	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16"	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2300	2524	AcroRd32.exe	30
PID 2524 wrote to memory of 2300	2524	AcroRd32.exe	30
PID 2524 wrote to memory of 2300	2524	AcroRd32.exe	30
PID 2524 wrote to memory of 2300	2524	AcroRd32.exe	30
PID 2300 wrote to memory of 2872	2300	cmd.exe	32
PID 2300 wrote to memory of 2872	2300	cmd.exe	32
PID 2300 wrote to memory of 2872	2300	cmd.exe	32
PID 2300 wrote to memory of 2872	2300	cmd.exe	32

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\anan.pdf"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /Q /C %HOMEDRIVE%&cd %HOMEPATH%&(if exist "Desktop\template.pdf" (cd "Desktop"))&(if exist "My Documents\template.pdf" (cd "My Documents"))&(if exist "Documents\template.pdf" (cd "Documents"))&(if exist "Escritorio\template.pdf" (cd "Escritorio"))&(if exist "Mis Documentos\template.pdf" (cd "Mis Documentos"))&(start template.pdf) To view the encrypted content please check the "Do not show this message again" box and press Open.
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - \??\c:\Users\Admin\Documents\template.pdf
    template.pdf
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a6f64c7f9b848efea94a5c058c723ec6

SHA1
9269a42fc0c13cc9efccded28bce4067c4344fc4

SHA256
6d9f20775cf666dd960c19558894b6b3b68f74a47ffdfee9899626022e039c5d

SHA512
1ab5b07bd20009c56ce9226b36eb44b2297b7cd2638d1f03916e661b27f35e898e7b1605aa1df28c0515c632bc20edb6b1c8a0faa683f14b3b35beddfc82a733

Download Submit
C:\Users\Admin\Documents\template.pdf

Filesize
72KB

MD5
d1ef7e603bd17a12865e6769807e4be5

SHA1
f5ae03a2e8b6b74d48cda18ed54ac123f0841408

SHA256
b124841a4e37d0b6eb550d948e5e2166ee0e07ef2c2a5ca47918c029634058da

SHA512
baad36cfb897e45f2ad5395285627cea5bbb939c81d964dd7c95fd9273eed262a19eb745378d9f9aff04f9013e0f571f78ffc73ef8ac900d67c20de5b00dcbeb

Download Submit