metasploit | 9baa091ab37d9148bd527347f349b842f55b0259ab1e6c65c1d199fd778d38c0

General

Target

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
Size

133KB
MD5

f2ac751949d65f496544bd4992eed0f9
SHA1

19ee57691e69612323d9454a70edb669be34622f
SHA256

9baa091ab37d9148bd527347f349b842f55b0259ab1e6c65c1d199fd778d38c0
SHA512

7934dbf19876f9d7d98fbf0a03c9ad9144e47390cf8119afc0715cc5cbbf3befd03eee12be2af55c90c95fe0821236fccfe24410189467161ab4c40d6ba1a677
SSDEEP

3072:4ZEg5zzkXzl91BndkwnIr4hGoynWikIebFLztGCDDj/MuXOP:4ZjkXX1OrL7vkXZztj3j/Mu+P

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:

igfxdt86.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxdt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdt86.exe = "C:\\Windows\\SysWOW64\\igfxdt86.exe:*:Enabled:Intel Wifi Protocal"	igfxdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxdt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdt86.exe = "C:\\Windows\\SysWOW64\\igfxdt86.exe:*:Enabled:Intel Wifi Protocal"	igfxdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxdt86.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:

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

igfxdt86.exe

pid process

3992 igfxdt86.exe
Executes dropped EXE 2 IoCs

Processes:

igfxdt86.exeigfxdt86.exe

pid process

1608 igfxdt86.exe
3992 igfxdt86.exe

pid	process
3992	igfxdt86.exe

pid	process
1608	igfxdt86.exe
3992	igfxdt86.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3936-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3936-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3936-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3936-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3936-40-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3992-44-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3936-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3992-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3992-48-0x0000000000400000-0x000000000044C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

igfxdt86.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Wifi Protocal = "C:\\Windows\\SysWOW64\\igfxdt86.exe"	igfxdt86.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:

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exeigfxdt86.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxdt86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxdt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

Processes:

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exeigfxdt86.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\igfxdt86.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxdt86.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxdt86.exe
File opened for modification	C:\Windows\SysWOW64\	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exeigfxdt86.exe

description	pid	process	target process
PID 2840 set thread context of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 1608 set thread context of 3992	1608	igfxdt86.exe	igfxdt86.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:

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exeigfxdt86.exe

pid	process
3936	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
3936	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
3936	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
3936	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
3992	igfxdt86.exe
3992	igfxdt86.exe
3992	igfxdt86.exe
3992	igfxdt86.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exef2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exeigfxdt86.exeigfxdt86.exe

description	pid	process	target process
PID 2840 wrote to memory of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 2840 wrote to memory of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 2840 wrote to memory of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 2840 wrote to memory of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 2840 wrote to memory of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 2840 wrote to memory of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 2840 wrote to memory of 3936	2840	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
PID 3936 wrote to memory of 1608	3936	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	igfxdt86.exe
PID 3936 wrote to memory of 1608	3936	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	igfxdt86.exe
PID 3936 wrote to memory of 1608	3936	f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe	igfxdt86.exe
PID 1608 wrote to memory of 3992	1608	igfxdt86.exe	igfxdt86.exe
PID 1608 wrote to memory of 3992	1608	igfxdt86.exe	igfxdt86.exe
PID 1608 wrote to memory of 3992	1608	igfxdt86.exe	igfxdt86.exe
PID 1608 wrote to memory of 3992	1608	igfxdt86.exe	igfxdt86.exe
PID 1608 wrote to memory of 3992	1608	igfxdt86.exe	igfxdt86.exe
PID 1608 wrote to memory of 3992	1608	igfxdt86.exe	igfxdt86.exe
PID 1608 wrote to memory of 3992	1608	igfxdt86.exe	igfxdt86.exe
PID 3992 wrote to memory of 3392	3992	igfxdt86.exe	Explorer.EXE
PID 3992 wrote to memory of 3392	3992	igfxdt86.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3392

C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2840

C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_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:3936

C:\Windows\SysWOW64\igfxdt86.exe
"C:\Windows\SysWOW64\igfxdt86.exe" C:\Users\Admin\AppData\Local\Temp\F2AC75~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\igfxdt86.exe
"C:\Windows\SysWOW64\igfxdt86.exe" C:\Users\Admin\AppData\Local\Temp\F2AC75~1.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:3992

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 --no-appcompat-clear --field-trial-handle=5224,i,6862816582779850255,3437582573780299282,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:8
1⤵
PID:1172

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

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\igfxdt86.exe
Filesize
133KB

MD5
f2ac751949d65f496544bd4992eed0f9

SHA1
19ee57691e69612323d9454a70edb669be34622f

SHA256
9baa091ab37d9148bd527347f349b842f55b0259ab1e6c65c1d199fd778d38c0

SHA512
7934dbf19876f9d7d98fbf0a03c9ad9144e47390cf8119afc0715cc5cbbf3befd03eee12be2af55c90c95fe0821236fccfe24410189467161ab4c40d6ba1a677

Download Submit
memory/3936-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3936-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3936-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3936-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3936-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3936-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3992-44-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3992-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3992-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads