metasploit | ef6da08c352bb37d39309452aea7102977e694c4f0d16e039e7e75603320e093

Analysis

max time kernel
145s
max time network
125s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 04:48

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General

Target

994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
Size

44KB
MD5

994f71a2e836a5573c51892cd861d77f
SHA1

8eeee768621e18e73727bc660ef0c59813cec5b6
SHA256

ef6da08c352bb37d39309452aea7102977e694c4f0d16e039e7e75603320e093
SHA512

04d67e3c75eb5406ae3a29d00da6b0f79aea4f76165bebe896065be4c92ede679ea7a15188addb5b6308403457d188f20c21a3824d4ab316d8a6c47f3fdb54d5
SSDEEP

768:8OBV+Yd09bhmYP9ZYgHgMpOzT4E9hbe/VYhZvtZwVMt09sCjpZJ6ODy72qR:YYd0bHLIh7y/eJZwVk0XjPJpD9qR

Score

10^/10

metasploit backdoor discovery evasion persistence trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

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

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\windows7install.exe"	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1668	windows7install.exe
2844	windows7install.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\Run\Microsoft Driver Setup = "C:\\Windows\\windows7install.exe"	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	windows7install.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 1668 set thread context of 2844	1668	windows7install.exe	32

UPX packed file 18 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2536-5-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2536-4-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2536-3-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2536-2-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2536-6-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2536-16-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-22-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-24-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-25-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-26-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-30-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-31-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-32-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-33-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-34-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-38-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/2844-39-0x0000000000400000-0x0000000000458000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\windows7install.exe	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
File created	C:\Windows\log32.txt	windows7install.exe
File created	C:\Windows\windows7install.exe	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows7install.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows7install.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2536	2556	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	30
PID 2536 wrote to memory of 1668	2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1668	2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1668	2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1668	2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1668	2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1668	2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1668	2536	994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe	31
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32
PID 1668 wrote to memory of 2844	1668	windows7install.exe	32

C:\Users\Admin\AppData\Local\Temp\994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Users\Admin\AppData\Local\Temp\994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\994f71a2e836a5573c51892cd861d77f_JaffaCakes118.exe
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\windows7install.exe
    "C:\Windows\windows7install.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Windows\windows7install.exe
      C:\Windows\windows7install.exe
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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:\Windows\windows7install.exe

Filesize
44KB

MD5
994f71a2e836a5573c51892cd861d77f

SHA1
8eeee768621e18e73727bc660ef0c59813cec5b6

SHA256
ef6da08c352bb37d39309452aea7102977e694c4f0d16e039e7e75603320e093

SHA512
04d67e3c75eb5406ae3a29d00da6b0f79aea4f76165bebe896065be4c92ede679ea7a15188addb5b6308403457d188f20c21a3824d4ab316d8a6c47f3fdb54d5

Download Submit
memory/2536-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2536-5-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2536-4-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2536-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2536-2-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2536-6-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2536-16-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-22-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-24-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-25-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-26-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-30-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-31-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-32-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-33-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-34-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-38-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2844-39-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download