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 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	igfxnk32.exe
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
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

Deletes itself 1 IoCs

pid	Process
1692	igfxnk32.exe

Executes dropped EXE 2 IoCs

pid	Process
2852	igfxnk32.exe
1692	igfxnk32.exe

Loads dropped DLL 1 IoCs

pid	Process
288	01d00b5424ca2849756cad641eb68615_JaffaCakes118.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\	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 2852 set thread context of 1692	2852	igfxnk32.exe	33

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/288-10-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-14-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-13-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-12-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-11-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-6-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-22-0x0000000003560000-0x00000000035A0000-memory.dmp	upx
behavioral1/memory/288-21-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/288-38-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1692-40-0x0000000000400000-0x000000000044C000-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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
288	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
288	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
1692	igfxnk32.exe
1692	igfxnk32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2852	igfxnk32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 1820 wrote to memory of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 1820 wrote to memory of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 1820 wrote to memory of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 1820 wrote to memory of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 1820 wrote to memory of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 1820 wrote to memory of 288	1820	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	30
PID 288 wrote to memory of 2852	288	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	32
PID 288 wrote to memory of 2852	288	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	32
PID 288 wrote to memory of 2852	288	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	32
PID 288 wrote to memory of 2852	288	01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe	32
PID 2852 wrote to memory of 1692	2852	igfxnk32.exe	33
PID 2852 wrote to memory of 1692	2852	igfxnk32.exe	33
PID 2852 wrote to memory of 1692	2852	igfxnk32.exe	33
PID 2852 wrote to memory of 1692	2852	igfxnk32.exe	33
PID 2852 wrote to memory of 1692	2852	igfxnk32.exe	33
PID 2852 wrote to memory of 1692	2852	igfxnk32.exe	33
PID 2852 wrote to memory of 1692	2852	igfxnk32.exe	33
PID 1692 wrote to memory of 1216	1692	igfxnk32.exe	21
PID 1692 wrote to memory of 1216	1692	igfxnk32.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- 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 WriteProcessMemory
  PID:1820
- - C:\Users\Admin\AppData\Local\Temp\01d00b5424ca2849756cad641eb68615_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01d00b5424ca2849756cad641eb68615_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:288
  - - 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 UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:2852
    - - 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:1692

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\igfxnk32.exe

Filesize
152KB

MD5
01d00b5424ca2849756cad641eb68615

SHA1
9a8dbcedc2320e4520e5cd114b3720aeb7260e2b

SHA256
affd773d4daff0a037b2fba1522e4679e5f87bd9a972b880f2e671f474408062

SHA512
e537a0dd6bfcb9c1e427cd753d700e2322f282e68655295cb823c56f36dd0b959c35fe213573516c3b56df5aa091ec78cfdc0e2edeb8e5eee4bb891c98be11f7

Download Submit
memory/288-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-22-0x0000000003560000-0x00000000035A0000-memory.dmp

Filesize
256KB

Download
memory/288-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/288-38-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1216-43-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1216-41-0x0000000002600000-0x000000000261E000-memory.dmp

Filesize
120KB

Download
memory/1692-29-0x0000000000432000-0x000000000044B000-memory.dmp

Filesize
100KB

Download
memory/1692-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1820-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1820-9-0x0000000000240000-0x0000000000280000-memory.dmp

Filesize
256KB

Download
memory/1820-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2852-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2852-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads