metasploit | 7abb8d680c424ada4f25d37d299d0ebabcf85ad961fc11f3500ed4f624eb9a34

General

Target

e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
Size

248KB
MD5

e84b8788d7153df4963d17e2d9a8bee5
SHA1

de721485398c7a7337588f8b42712da1c8d783ad
SHA256

7abb8d680c424ada4f25d37d299d0ebabcf85ad961fc11f3500ed4f624eb9a34
SHA512

9ee9e230ff6510bb70daafbb57f0acf9fa092b50137293a08a45e24fc17c07770b40d035d82f1849c0bfef3f7c4a80751184b412118e8ca58b5b8a23df0d335c
SSDEEP

6144:XGdAzfNp5UHS8cxrI6mLnHwd6NePdPp4PPPPPPPPPPundL9EtSWcz8P4R6PyPPP9:XaIFpOHSfxxmLnHM59E2RV

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\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbh86.exe = "C:\\Windows\\SysWOW64\\igfxbh86.exe:*:Enabled:Intel Backup Drive"	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxbh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbh86.exe = "C:\\Windows\\SysWOW64\\igfxbh86.exe:*:Enabled:Intel Backup Drive"	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxbh86.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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1060	igfxbh86.exe

Executes dropped EXE 2 IoCs

pid	Process
3668	igfxbh86.exe
1060	igfxbh86.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2084-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2084-2-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2084-3-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2084-4-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1060-40-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/1060-44-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/2084-43-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2084-46-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2084-47-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/1060-48-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1060-49-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/1060-50-0x0000000000400000-0x0000000000442000-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 Backup Drive = "C:\\Windows\\SysWOW64\\igfxbh86.exe"	igfxbh86.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	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxbh86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxbh86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxbh86.exe	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxbh86.exe	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxbh86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3944 set thread context of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3668 set thread context of 1060	3668	igfxbh86.exe	97

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	igfxbh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2084	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
2084	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
2084	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
2084	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
1060	igfxbh86.exe
1060	igfxbh86.exe
1060	igfxbh86.exe
1060	igfxbh86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 3944 wrote to memory of 2084	3944	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	89
PID 2084 wrote to memory of 3668	2084	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	96
PID 2084 wrote to memory of 3668	2084	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	96
PID 2084 wrote to memory of 3668	2084	e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe	96
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 3668 wrote to memory of 1060	3668	igfxbh86.exe	97
PID 1060 wrote to memory of 3476	1060	igfxbh86.exe	56
PID 1060 wrote to memory of 3476	1060	igfxbh86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3476
- C:\Users\Admin\AppData\Local\Temp\e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3944
- - C:\Users\Admin\AppData\Local\Temp\e84b8788d7153df4963d17e2d9a8bee5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e84b8788d7153df4963d17e2d9a8bee5_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:2084
  - - C:\Windows\SysWOW64\igfxbh86.exe
      "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\E84B87~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3668
    - - C:\Windows\SysWOW64\igfxbh86.exe
        
        "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\E84B87~1.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:1060

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4372,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=3868 /prefetch:8
1⤵
PID:2188

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\igfxbh86.exe

Filesize
248KB

MD5
e84b8788d7153df4963d17e2d9a8bee5

SHA1
de721485398c7a7337588f8b42712da1c8d783ad

SHA256
7abb8d680c424ada4f25d37d299d0ebabcf85ad961fc11f3500ed4f624eb9a34

SHA512
9ee9e230ff6510bb70daafbb57f0acf9fa092b50137293a08a45e24fc17c07770b40d035d82f1849c0bfef3f7c4a80751184b412118e8ca58b5b8a23df0d335c

Download Submit
memory/1060-44-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1060-50-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1060-49-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1060-48-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1060-40-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2084-4-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2084-43-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2084-46-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2084-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2084-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2084-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2084-2-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads