metasploit | d88509c5cdf6f56524da855fe46df4873c46f8e5a445c2fd9f682ae571f43716

General

Target

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
Size

157KB
MD5

f7b9c2079803e33ddbc1a82f1eabcb3c
SHA1

25f67847d78f1bb810a8a03b60a301de1b62117c
SHA256

d88509c5cdf6f56524da855fe46df4873c46f8e5a445c2fd9f682ae571f43716
SHA512

ecbb6383db74bc4dd69c8c9f6b785e37623fe81ca56286a2ac9e3f2d6a00eac0e8be5e2d1cab706886c2b8b79c663c20fa660bb7db48f859fd6f6726639e82ce
SSDEEP

3072:cIT9WNX5zJZ6TXcTA9F0Dhfpln3i5w8HgNrzw2:cITMKYTA9F6hfpty2w2

Score

10^/10

metasploit backdoor 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 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

igfxpf86.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxpf86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxpf86.exe = "C:\\Windows\\SysWOW64\\igfxpf86.exe:*:Enabled:Intel Packet Monitor"	igfxpf86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxpf86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxpf86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxpf86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxpf86.exe = "C:\\Windows\\SysWOW64\\igfxpf86.exe:*:Enabled:Intel Packet Monitor"	igfxpf86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxpf86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxpf86.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

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

igfxpf86.exe

pid process

4144 igfxpf86.exe
Executes dropped EXE 2 IoCs

Processes:

igfxpf86.exeigfxpf86.exe

pid process

4932 igfxpf86.exe
4144 igfxpf86.exe

pid	process
4144	igfxpf86.exe

pid	process
4932	igfxpf86.exe
4144	igfxpf86.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3740-0-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3740-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3740-3-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3740-4-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4144-43-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3740-45-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral2/memory/3740-44-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4144-46-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4144-47-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4144-48-0x0000000000400000-0x000000000044B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

igfxpf86.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Packet Monitor = "C:\\Windows\\SysWOW64\\igfxpf86.exe"	igfxpf86.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

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exeigfxpf86.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxpf86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxpf86.exe

Drops file in System32 directory 4 IoCs

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exeigfxpf86.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxpf86.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxpf86.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxpf86.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exeigfxpf86.exe

description	pid	process	target process
PID 2016 set thread context of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 4932 set thread context of 4144	4932	igfxpf86.exe	igfxpf86.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exeigfxpf86.exe

pid	process
3740	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
3740	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
3740	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
3740	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
4144	igfxpf86.exe
4144	igfxpf86.exe
4144	igfxpf86.exe
4144	igfxpf86.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe

pid process

2016 f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe

pid	process
2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exef7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exeigfxpf86.exeigfxpf86.exe

description	pid	process	target process
PID 2016 wrote to memory of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 2016 wrote to memory of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 2016 wrote to memory of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 2016 wrote to memory of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 2016 wrote to memory of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 2016 wrote to memory of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 2016 wrote to memory of 3740	2016	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
PID 3740 wrote to memory of 4932	3740	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	igfxpf86.exe
PID 3740 wrote to memory of 4932	3740	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	igfxpf86.exe
PID 3740 wrote to memory of 4932	3740	f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe	igfxpf86.exe
PID 4932 wrote to memory of 4144	4932	igfxpf86.exe	igfxpf86.exe
PID 4932 wrote to memory of 4144	4932	igfxpf86.exe	igfxpf86.exe
PID 4932 wrote to memory of 4144	4932	igfxpf86.exe	igfxpf86.exe
PID 4932 wrote to memory of 4144	4932	igfxpf86.exe	igfxpf86.exe
PID 4932 wrote to memory of 4144	4932	igfxpf86.exe	igfxpf86.exe
PID 4932 wrote to memory of 4144	4932	igfxpf86.exe	igfxpf86.exe
PID 4932 wrote to memory of 4144	4932	igfxpf86.exe	igfxpf86.exe
PID 4144 wrote to memory of 3516	4144	igfxpf86.exe	Explorer.EXE
PID 4144 wrote to memory of 3516	4144	igfxpf86.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3516

C:\Users\Admin\AppData\Local\Temp\f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2016

C:\Users\Admin\AppData\Local\Temp\f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7b9c2079803e33ddbc1a82f1eabcb3c_JaffaCakes118.exe"
3⤵
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3740

C:\Windows\SysWOW64\igfxpf86.exe
"C:\Windows\SysWOW64\igfxpf86.exe" C:\Users\Admin\AppData\Local\Temp\F7B9C2~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4932

C:\Windows\SysWOW64\igfxpf86.exe
"C:\Windows\SysWOW64\igfxpf86.exe" C:\Users\Admin\AppData\Local\Temp\F7B9C2~1.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4144

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\igfxpf86.exe
Filesize
157KB

MD5
f7b9c2079803e33ddbc1a82f1eabcb3c

SHA1
25f67847d78f1bb810a8a03b60a301de1b62117c

SHA256
d88509c5cdf6f56524da855fe46df4873c46f8e5a445c2fd9f682ae571f43716

SHA512
ecbb6383db74bc4dd69c8c9f6b785e37623fe81ca56286a2ac9e3f2d6a00eac0e8be5e2d1cab706886c2b8b79c663c20fa660bb7db48f859fd6f6726639e82ce

Download Submit
memory/3740-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3740-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3740-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3740-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3740-45-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3740-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4144-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4144-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4144-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4144-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads