metasploit | affd773d4daff0a037b2fba1522e4679e5f87bd9a972b880f2e671f474408062

General

Target

01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
Size

152KB
MD5

01d00b5424ca2849756cad641eb68615
SHA1

9a8dbcedc2320e4520e5cd114b3720aeb7260e2b
SHA256

affd773d4daff0a037b2fba1522e4679e5f87bd9a972b880f2e671f474408062
SHA512

e537a0dd6bfcb9c1e427cd753d700e2322f282e68655295cb823c56f36dd0b959c35fe213573516c3b56df5aa091ec78cfdc0e2edeb8e5eee4bb891c98be11f7
SSDEEP

3072:IuaMdfU5EMVyijkyyysyyXPbyyyyyyyyyyyyyyyyyyyyyyyyyMrtswpDzvHIhAn/:Q+rxJzvHIhqEHJ21

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnk32.exe = "C:\\Windows\\SysWOW64\\igfxnk32.exe:*:Enabled:Intel iDisplay Driver"	igfxnk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxnk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxnk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxnk32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnk32.exe = "C:\\Windows\\SysWOW64\\igfxnk32.exe:*:Enabled:Intel iDisplay Driver"	igfxnk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxnk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxnk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxnk32.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2164	igfxnk32.exe

Executes dropped EXE 2 IoCs

pid	Process
4636	igfxnk32.exe
2164	igfxnk32.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\Intel iDisplay Driver = "C:\\Windows\\SysWOW64\\igfxnk32.exe"	igfxnk32.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	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxnk32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxnk32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\igfxnk32.exe	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxnk32.exe	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxnk32.exe
File opened for modification	C:\Windows\SysWOW64\	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4676 set thread context of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 4636 set thread context of 2164	4636	igfxnk32.exe	84

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2988-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2988-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2988-6-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2988-7-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2988-40-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2164-44-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/2164-48-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/2988-50-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2988-52-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/2164-53-0x0000000000400000-0x000000000044C000-memory.dmp	upx

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	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxnk32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxnk32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2988	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
2988	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
2988	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
2988	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
2164	igfxnk32.exe
2164	igfxnk32.exe
2164	igfxnk32.exe
2164	igfxnk32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 4676 wrote to memory of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 4676 wrote to memory of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 4676 wrote to memory of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 4676 wrote to memory of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 4676 wrote to memory of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 4676 wrote to memory of 2988	4676	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	82
PID 2988 wrote to memory of 4636	2988	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	83
PID 2988 wrote to memory of 4636	2988	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	83
PID 2988 wrote to memory of 4636	2988	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	83
PID 4636 wrote to memory of 2164	4636	igfxnk32.exe	84
PID 4636 wrote to memory of 2164	4636	igfxnk32.exe	84
PID 4636 wrote to memory of 2164	4636	igfxnk32.exe	84
PID 4636 wrote to memory of 2164	4636	igfxnk32.exe	84
PID 4636 wrote to memory of 2164	4636	igfxnk32.exe	84
PID 4636 wrote to memory of 2164	4636	igfxnk32.exe	84
PID 4636 wrote to memory of 2164	4636	igfxnk32.exe	84
PID 2164 wrote to memory of 3456	2164	igfxnk32.exe	56
PID 2164 wrote to memory of 3456	2164	igfxnk32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3456
- C:\Users\Admin\AppData\Local\Temp\01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4676
- - C:\Users\Admin\AppData\Local\Temp\01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01d00b5424ca2849756cad641eb68615_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:2988
  - - C:\Windows\SysWOW64\igfxnk32.exe
      "C:\Windows\SysWOW64\igfxnk32.exe" C:\Users\Admin\AppData\Local\Temp\01D00B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4636
    - - C:\Windows\SysWOW64\igfxnk32.exe
        
        "C:\Windows\SysWOW64\igfxnk32.exe" C:\Users\Admin\AppData\Local\Temp\01D00B~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:2164

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\igfxnk32.exe

Filesize
152KB

MD5
01d00b5424ca2849756cad641eb68615

SHA1
9a8dbcedc2320e4520e5cd114b3720aeb7260e2b

SHA256
affd773d4daff0a037b2fba1522e4679e5f87bd9a972b880f2e671f474408062

SHA512
e537a0dd6bfcb9c1e427cd753d700e2322f282e68655295cb823c56f36dd0b959c35fe213573516c3b56df5aa091ec78cfdc0e2edeb8e5eee4bb891c98be11f7

Download Submit
memory/2164-53-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2164-48-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2164-44-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2988-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2988-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2988-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2988-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2988-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2988-50-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2988-52-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2988-1-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4636-45-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4676-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4676-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads