metasploit | da5c5e3b9cbccb6467f171e3cd5241fa5a42ce54d9b874c2b510cd9a8ddf4ff8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:00

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General

Target

JaffaCakes118_da5c5e3b9cbccb6467f171e3cd5241fa5a42ce54d9b874c2b510cd9a8ddf4ff8.pdf
Size

932KB
MD5

3dae7a05120042b75fb4f20925a14489
SHA1

527e8b08d3c49c0c4d6fce4e1f4a55755fcb5c7d
SHA256

da5c5e3b9cbccb6467f171e3cd5241fa5a42ce54d9b874c2b510cd9a8ddf4ff8
SHA512

328bc5bcc861bf42cce9737b9921877b9476a40dabbe75bff55d928ccc2d3c02e4fb78e0eebd78f9155058aff870ce608724aac9e6fbd8cd5f35b0ec6b20b9d8
SSDEEP

24576:t/5xFNDwdEpg0Z6NWUzrjheEZjAowHKaEdx6KTH:5zFND8r0oNWUzrjhmEdxJH

Score

10^/10

metasploit backdoor discovery trojan

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

35.186.238.101:443

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
2572	cs_sb.pdf

Loads dropped DLL 2 IoCs

pid	Process
2540	cmd.exe
2540	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	cs_sb.pdf

Modifies registry class 31 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_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-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	AcroRd32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_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-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_TopViewVersion = "0"	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_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-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16"	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	AcroRd32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_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-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlgLegacy\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	AcroRd32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	AcroRd32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_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 (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy	AcroRd32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2540	2648	AcroRd32.exe	30
PID 2648 wrote to memory of 2540	2648	AcroRd32.exe	30
PID 2648 wrote to memory of 2540	2648	AcroRd32.exe	30
PID 2648 wrote to memory of 2540	2648	AcroRd32.exe	30
PID 2540 wrote to memory of 2572	2540	cmd.exe	32
PID 2540 wrote to memory of 2572	2540	cmd.exe	32
PID 2540 wrote to memory of 2572	2540	cmd.exe	32
PID 2540 wrote to memory of 2572	2540	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\JaffaCakes118_da5c5e3b9cbccb6467f171e3cd5241fa5a42ce54d9b874c2b510cd9a8ddf4ff8.pdf"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /Q /C %HOMEDRIVE%&cd %HOMEPATH%&(if exist "Desktop\cs_sb.pdf" (cd "Desktop"))&(if exist "My Documents\cs_sb.pdf" (cd "My Documents"))&(if exist "Documents\cs_sb.pdf" (cd "Documents"))&(if exist "Escritorio\cs_sb.pdf" (cd "Escritorio"))&(if exist "Mis Documentos\cs_sb.pdf" (cd "Mis Documentos"))&(start cs_sb.pdf) Could not open PDF: Something's wrong
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - \??\c:\Users\Admin\Documents\cs_sb.pdf
    cs_sb.pdf
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2572

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
0499402f91fee7073506cc982c5a48a2

SHA1
b9b9edae24bf8faccf4798626311c34300ad06f2

SHA256
94101fed5e66133ccfc1cad0b1118a68cfe2774d75b86d2636c658e5091e6ae5

SHA512
c0b10069bc6fc3114fd191308a8017cfbe1a1c4587298ed7da2c6933b00fb75973b8b59c9531b244ca13bc565195afb7bbf033efda2ea69dad304c9e4647692a

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\??\c:\Users\Admin\Documents\cs_sb.pdf

Filesize
72KB

MD5
46b94b29185816ba5b3512e26762b674

SHA1
e23e55f2a9d26fda658c5150cbe63a062a1617cf

SHA256
b7c860a8cd22c7a1a402edc7442356ab42bd27b57707d38f861feee2b193f28a

SHA512
98d6e1b2be706e53aa8af3171b0ce7cd838e722999c40ed4112a3c79c7d5f0eb327b593e0cc51e7d923029e05a9e4834d358aedb6dd12fdda10da099bc307f41

Download Submit