metasploit | f7737c1800677b320acb3b5b1695d6e871b53378c06038c5b0ad1e2d3ca937bc

General

Target

eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
Size

211KB
MD5

eba680fe8bf3b784b42c337d7dd8a271
SHA1

9c9583e822eb4e78c1a525fc212dcc0258417d4f
SHA256

f7737c1800677b320acb3b5b1695d6e871b53378c06038c5b0ad1e2d3ca937bc
SHA512

11731a530b8c48bb1f4a465a3da4ac47823b3bcc6178753b338839a6cb70c00a2a26fe5997a3085457e5c48adfd4211abc6e949da95937bf7530df56b64aef88
SSDEEP

3072:/6td2a7k2gC8K9JiL+oYY/u35XmTrX1FJysgtG4awpODDm6jEYNAjXH+VozN:/K2T2NF8+rmHHM3pODK6o0AKMN

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 4 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\StandardProfile\AuthorizedApplications\List	igfxbt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbt86.exe = "C:\\Windows\\SysWOW64\\igfxbt86.exe:*:Enabled:Intel Backup Monitor"	igfxbt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxbt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbt86.exe = "C:\\Windows\\SysWOW64\\igfxbt86.exe:*:Enabled:Intel Backup Monitor"	igfxbt86.exe

Deletes itself 1 IoCs

pid	Process
2552	igfxbt86.exe

Executes dropped EXE 2 IoCs

pid	Process
2716	igfxbt86.exe
2552	igfxbt86.exe

Loads dropped DLL 3 IoCs

pid	Process
2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
2716	igfxbt86.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2664-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-7-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-8-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-9-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-10-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-11-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-35-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2552-34-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2552-33-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2664-40-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2552-41-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2552-45-0x0000000000400000-0x000000000044C000-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 Monitor = "C:\\Windows\\SysWOW64\\igfxbt86.exe"	igfxbt86.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	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxbt86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	igfxbt86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\igfxbt86.exe	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxbt86.exe
File opened for modification	C:\Windows\SysWOW64\	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxbt86.exe	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 2716 set thread context of 2552	2716	igfxbt86.exe	32

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	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbt86.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
2552	igfxbt86.exe
2552	igfxbt86.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 3004 wrote to memory of 2664	3004	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	30
PID 2664 wrote to memory of 2716	2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2716	2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2716	2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2716	2664	eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe	31
PID 2716 wrote to memory of 2552	2716	igfxbt86.exe	32
PID 2716 wrote to memory of 2552	2716	igfxbt86.exe	32
PID 2716 wrote to memory of 2552	2716	igfxbt86.exe	32
PID 2716 wrote to memory of 2552	2716	igfxbt86.exe	32
PID 2716 wrote to memory of 2552	2716	igfxbt86.exe	32
PID 2716 wrote to memory of 2552	2716	igfxbt86.exe	32
PID 2716 wrote to memory of 2552	2716	igfxbt86.exe	32
PID 2552 wrote to memory of 1280	2552	igfxbt86.exe	21
PID 2552 wrote to memory of 1280	2552	igfxbt86.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280
- C:\Users\Admin\AppData\Local\Temp\eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Users\Admin\AppData\Local\Temp\eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eba680fe8bf3b784b42c337d7dd8a271_JaffaCakes118.exe"
    3⤵
    - Loads dropped DLL
    - 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:2664
  - - C:\Windows\SysWOW64\igfxbt86.exe
      "C:\Windows\SysWOW64\igfxbt86.exe" C:\Users\Admin\AppData\Local\Temp\EBA680~1.EXE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2716
    - - C:\Windows\SysWOW64\igfxbt86.exe
        
        "C:\Windows\SysWOW64\igfxbt86.exe" C:\Users\Admin\AppData\Local\Temp\EBA680~1.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:2552

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

2

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

\Windows\SysWOW64\igfxbt86.exe

Filesize
211KB

MD5
eba680fe8bf3b784b42c337d7dd8a271

SHA1
9c9583e822eb4e78c1a525fc212dcc0258417d4f

SHA256
f7737c1800677b320acb3b5b1695d6e871b53378c06038c5b0ad1e2d3ca937bc

SHA512
11731a530b8c48bb1f4a465a3da4ac47823b3bcc6178753b338839a6cb70c00a2a26fe5997a3085457e5c48adfd4211abc6e949da95937bf7530df56b64aef88

Download Submit
memory/1280-42-0x0000000002980000-0x000000000299E000-memory.dmp

Filesize
120KB

Download
memory/1280-44-0x00000000029A0000-0x00000000029A1000-memory.dmp

Filesize
4KB

Download
memory/2552-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2552-41-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2552-33-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2552-34-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-35-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2664-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads