metasploit | bacdbd51e9a7877884b5b13fd705776cf81b014725b2f52abba0d4dfe19ce981

General

Target

ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
Size

276KB
MD5

ba3a084215dd29e635232d85331fc68c
SHA1

eaf15923d933731c2d37eba8a820b7cef137cc51
SHA256

bacdbd51e9a7877884b5b13fd705776cf81b014725b2f52abba0d4dfe19ce981
SHA512

01c0a7d5752ac1e3527993d3ac7fe2ca2dd94cc84d7edf0f1261b479ea4fc5f34ac18606b19b2aaf4385cfeb79c98231e0bdd45ae2eeb5adc4640c58c191c343
SSDEEP

6144:QyO476+p6S5uK/mTSwNnyt2h5OaNdSpoMe7/MesP:QT4u+p64tmTvNnytMOAiqDMP

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

Modifies firewall policy service 3 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxcb86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcb86.exe = "C:\\Windows\\SysWOW64\\igfxcb86.exe:*:Enabled:Intel Display Daemon"	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcb86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcb86.exe = "C:\\Windows\\SysWOW64\\igfxcb86.exe:*:Enabled:Intel Display Daemon"	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcb86.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
448	igfxcb86.exe

Executes dropped EXE 2 IoCs

pid	Process
520	igfxcb86.exe
448	igfxcb86.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2108-1-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2108-3-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral2/memory/2108-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2108-7-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2108-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2108-40-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral2/memory/2108-44-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/448-49-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2108-50-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/448-52-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/448-53-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/448-54-0x0000000000400000-0x000000000044B000-memory.dmp	upx

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\Intel Display Daemon = "C:\\Windows\\SysWOW64\\igfxcb86.exe"	igfxcb86.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk 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\Services\Disk\Enum	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxcb86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxcb86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxcb86.exe
File opened for modification	C:\Windows\SysWOW64\	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxcb86.exe	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxcb86.exe	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1252 set thread context of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 520 set thread context of 448	520	igfxcb86.exe	95

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

System Information Discovery
T1082

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	igfxcb86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcb86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2108	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
2108	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
2108	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
2108	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
448	igfxcb86.exe
448	igfxcb86.exe
448	igfxcb86.exe
448	igfxcb86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 1252 wrote to memory of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 1252 wrote to memory of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 1252 wrote to memory of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 1252 wrote to memory of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 1252 wrote to memory of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 1252 wrote to memory of 2108	1252	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	83
PID 2108 wrote to memory of 520	2108	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	94
PID 2108 wrote to memory of 520	2108	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	94
PID 2108 wrote to memory of 520	2108	ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe	94
PID 520 wrote to memory of 448	520	igfxcb86.exe	95
PID 520 wrote to memory of 448	520	igfxcb86.exe	95
PID 520 wrote to memory of 448	520	igfxcb86.exe	95
PID 520 wrote to memory of 448	520	igfxcb86.exe	95
PID 520 wrote to memory of 448	520	igfxcb86.exe	95
PID 520 wrote to memory of 448	520	igfxcb86.exe	95
PID 520 wrote to memory of 448	520	igfxcb86.exe	95
PID 448 wrote to memory of 3404	448	igfxcb86.exe	56
PID 448 wrote to memory of 3404	448	igfxcb86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3404
- C:\Users\Admin\AppData\Local\Temp\ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Users\Admin\AppData\Local\Temp\ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ba3a084215dd29e635232d85331fc68c_JaffaCakes118.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\SysWOW64\igfxcb86.exe
      "C:\Windows\SysWOW64\igfxcb86.exe" C:\Users\Admin\AppData\Local\Temp\BA3A08~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:520
    - - C:\Windows\SysWOW64\igfxcb86.exe
        
        "C:\Windows\SysWOW64\igfxcb86.exe" C:\Users\Admin\AppData\Local\Temp\BA3A08~1.EXE
        5⤵
        Modifies firewall policy service
        Deletes itself
        Executes dropped EXE
        Adds Run key to start application
        Maps connected drives based on registry
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\igfxcb86.exe

Filesize
276KB

MD5
ba3a084215dd29e635232d85331fc68c

SHA1
eaf15923d933731c2d37eba8a820b7cef137cc51

SHA256
bacdbd51e9a7877884b5b13fd705776cf81b014725b2f52abba0d4dfe19ce981

SHA512
01c0a7d5752ac1e3527993d3ac7fe2ca2dd94cc84d7edf0f1261b479ea4fc5f34ac18606b19b2aaf4385cfeb79c98231e0bdd45ae2eeb5adc4640c58c191c343

Download Submit
memory/448-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/448-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/448-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/448-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/520-46-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1252-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1252-4-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2108-40-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2108-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2108-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2108-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2108-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2108-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2108-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2108-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads