metasploit | 7b780dee27f9be905d9a856584006968bd0ac7538178776392a78b0b1b984136

General

Target

eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
Size

208KB
MD5

eaa40dc6d4e9c9d99938c5d641197189
SHA1

604fbbbf125e46828338383f03c0121539bd987c
SHA256

7b780dee27f9be905d9a856584006968bd0ac7538178776392a78b0b1b984136
SHA512

7a9c562dca3309074c587e72b2e8f258676d5ad3a4f328cb09b811296051c173b81f8b477e2eaf8b6a6e39c454a7504e4f8b824087e528a6814988f267fbf9c7
SSDEEP

3072:l9DwDK0AtQjKgmnONElOTtVeUeTh39LYlfWCft9ppW/JTsL:8D9DqnotUlTMfWe8h4

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\AuthorizedApplications\List	igfxdh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxdh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxdh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdh86.exe = "C:\\Windows\\SysWOW64\\igfxdh86.exe:*:Enabled:Intel Device Host"	igfxdh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxdh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxdh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxdh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdh86.exe = "C:\\Windows\\SysWOW64\\igfxdh86.exe:*:Enabled:Intel Device Host"	igfxdh86.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	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2180	igfxdh86.exe

Executes dropped EXE 2 IoCs

pid	Process
2500	igfxdh86.exe
2180	igfxdh86.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2060-0-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2060-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2060-3-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2060-4-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2060-40-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2180-43-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2060-45-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2180-47-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2180-48-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2180-49-0x0000000000400000-0x000000000044B000-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 Device Host = "C:\\Windows\\SysWOW64\\igfxdh86.exe"	igfxdh86.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	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxdh86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxdh86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxdh86.exe	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxdh86.exe	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxdh86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 2500 set thread context of 2180	2500	igfxdh86.exe	96

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	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxdh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxdh86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2060	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
2060	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
2060	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
2060	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
2180	igfxdh86.exe
2180	igfxdh86.exe
2180	igfxdh86.exe
2180	igfxdh86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 1668 wrote to memory of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 1668 wrote to memory of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 1668 wrote to memory of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 1668 wrote to memory of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 1668 wrote to memory of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 1668 wrote to memory of 2060	1668	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	89
PID 2060 wrote to memory of 2500	2060	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	95
PID 2060 wrote to memory of 2500	2060	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	95
PID 2060 wrote to memory of 2500	2060	eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe	95
PID 2500 wrote to memory of 2180	2500	igfxdh86.exe	96
PID 2500 wrote to memory of 2180	2500	igfxdh86.exe	96
PID 2500 wrote to memory of 2180	2500	igfxdh86.exe	96
PID 2500 wrote to memory of 2180	2500	igfxdh86.exe	96
PID 2500 wrote to memory of 2180	2500	igfxdh86.exe	96
PID 2500 wrote to memory of 2180	2500	igfxdh86.exe	96
PID 2500 wrote to memory of 2180	2500	igfxdh86.exe	96
PID 2180 wrote to memory of 3596	2180	igfxdh86.exe	56
PID 2180 wrote to memory of 3596	2180	igfxdh86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3596
- C:\Users\Admin\AppData\Local\Temp\eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Users\Admin\AppData\Local\Temp\eaa40dc6d4e9c9d99938c5d641197189_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eaa40dc6d4e9c9d99938c5d641197189_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:2060
  - - C:\Windows\SysWOW64\igfxdh86.exe
      "C:\Windows\SysWOW64\igfxdh86.exe" C:\Users\Admin\AppData\Local\Temp\EAA40D~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2500
    - - C:\Windows\SysWOW64\igfxdh86.exe
        
        "C:\Windows\SysWOW64\igfxdh86.exe" C:\Users\Admin\AppData\Local\Temp\EAA40D~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:2180

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=4336,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=3776 /prefetch:8
1⤵
PID:2208

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\igfxdh86.exe

Filesize
208KB

MD5
eaa40dc6d4e9c9d99938c5d641197189

SHA1
604fbbbf125e46828338383f03c0121539bd987c

SHA256
7b780dee27f9be905d9a856584006968bd0ac7538178776392a78b0b1b984136

SHA512
7a9c562dca3309074c587e72b2e8f258676d5ad3a4f328cb09b811296051c173b81f8b477e2eaf8b6a6e39c454a7504e4f8b824087e528a6814988f267fbf9c7

Download Submit
memory/2060-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2060-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2060-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2060-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2060-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2060-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2180-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2180-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2180-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2180-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads