metasploit | d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f

General

Target

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
Size

244KB
MD5

a2455135519d2505d46318737cf42276
SHA1

526f66e21c34c3eeed0e3f21677c1f823ec0763c
SHA256

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f
SHA512

4f3eb748061a5171ab8acb0daf11ef568de0b4881635a69eea222e84b49aaffa18b15b35d9943529dde07b217a6ec966878a53c7e1567ea638622f52f9c01da6
SSDEEP

6144:chrPiRRRPxuVYnMifw9oIYe2pWGlKU1AyTy0N97F:UrKRRRPUVYnMisoISk3lyTy0N97F

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 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

igfxnl64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnl64.exe = "C:\\Windows\\SysWOW64\\igfxnl64.exe:*:Enabled:Intel nDisplay Service"	igfxnl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxnl64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnl64.exe = "C:\\Windows\\SysWOW64\\igfxnl64.exe:*:Enabled:Intel nDisplay Service"	igfxnl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxnl64.exe

Executes dropped EXE 2 IoCs

Processes:

igfxnl64.exeigfxnl64.exe

pid process

1228 igfxnl64.exe
1740 igfxnl64.exe

pid	process
1228	igfxnl64.exe
1740	igfxnl64.exe

UPX packed file 14 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1708-55-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-58-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-57-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-60-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-64-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-65-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-67-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-66-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-68-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1708-73-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1740-86-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1740-87-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1740-88-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1740-89-0x0000000000400000-0x0000000000464000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

igfxnl64.exe

pid process

1740 igfxnl64.exe

pid	process
1740	igfxnl64.exe

Loads dropped DLL 2 IoCs

Processes:

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe

pid	process
1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

igfxnl64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	igfxnl64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Intel nDisplay Service = "C:\\Windows\\SysWOW64\\igfxnl64.exe"	igfxnl64.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:

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exeigfxnl64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxnl64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	igfxnl64.exe

Drops file in System32 directory 5 IoCs

Processes:

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exeigfxnl64.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
File opened for modification	C:\Windows\SysWOW64\igfxnl64.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
File created	C:\Windows\SysWOW64\igfxnl64.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
File opened for modification	C:\Windows\SysWOW64\	igfxnl64.exe
File opened for modification	C:\Windows\SysWOW64\igfxnl64.exe	igfxnl64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exeigfxnl64.exe

description	pid	process	target process
PID 1724 set thread context of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1228 set thread context of 1740	1228	igfxnl64.exe	igfxnl64.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exeigfxnl64.exe

pid	process
1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
1740	igfxnl64.exe
1740	igfxnl64.exe
1740	igfxnl64.exe
1740	igfxnl64.exe
1740	igfxnl64.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exed25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exeigfxnl64.exeigfxnl64.exe

description	pid	process	target process
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1724 wrote to memory of 1708	1724	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
PID 1708 wrote to memory of 1228	1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	igfxnl64.exe
PID 1708 wrote to memory of 1228	1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	igfxnl64.exe
PID 1708 wrote to memory of 1228	1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	igfxnl64.exe
PID 1708 wrote to memory of 1228	1708	d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1228 wrote to memory of 1740	1228	igfxnl64.exe	igfxnl64.exe
PID 1740 wrote to memory of 1276	1740	igfxnl64.exe	Explorer.EXE
PID 1740 wrote to memory of 1276	1740	igfxnl64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1276

C:\Users\Admin\AppData\Local\Temp\d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
"C:\Users\Admin\AppData\Local\Temp\d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1724

C:\Users\Admin\AppData\Local\Temp\d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe
"C:\Users\Admin\AppData\Local\Temp\d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f.exe"
3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\igfxnl64.exe
"C:\Windows\SysWOW64\igfxnl64.exe" C:\Users\Admin\AppData\Local\Temp\D25AF0~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1228

C:\Windows\SysWOW64\igfxnl64.exe
"C:\Windows\SysWOW64\igfxnl64.exe" C:\Users\Admin\AppData\Local\Temp\D25AF0~1.EXE
5⤵
- Modifies firewall policy service
- Executes dropped EXE
- Deletes itself
- 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:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\igfxnl64.exe
Filesize
244KB

MD5
a2455135519d2505d46318737cf42276

SHA1
526f66e21c34c3eeed0e3f21677c1f823ec0763c

SHA256
d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f

SHA512
4f3eb748061a5171ab8acb0daf11ef568de0b4881635a69eea222e84b49aaffa18b15b35d9943529dde07b217a6ec966878a53c7e1567ea638622f52f9c01da6

Download Submit
C:\Windows\SysWOW64\igfxnl64.exe
Filesize
244KB

MD5
a2455135519d2505d46318737cf42276

SHA1
526f66e21c34c3eeed0e3f21677c1f823ec0763c

SHA256
d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f

SHA512
4f3eb748061a5171ab8acb0daf11ef568de0b4881635a69eea222e84b49aaffa18b15b35d9943529dde07b217a6ec966878a53c7e1567ea638622f52f9c01da6

Download Submit
C:\Windows\SysWOW64\igfxnl64.exe
Filesize
244KB

MD5
a2455135519d2505d46318737cf42276

SHA1
526f66e21c34c3eeed0e3f21677c1f823ec0763c

SHA256
d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f

SHA512
4f3eb748061a5171ab8acb0daf11ef568de0b4881635a69eea222e84b49aaffa18b15b35d9943529dde07b217a6ec966878a53c7e1567ea638622f52f9c01da6

Download Submit
\Windows\SysWOW64\igfxnl64.exe
Filesize
244KB

MD5
a2455135519d2505d46318737cf42276

SHA1
526f66e21c34c3eeed0e3f21677c1f823ec0763c

SHA256
d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f

SHA512
4f3eb748061a5171ab8acb0daf11ef568de0b4881635a69eea222e84b49aaffa18b15b35d9943529dde07b217a6ec966878a53c7e1567ea638622f52f9c01da6

Download Submit
\Windows\SysWOW64\igfxnl64.exe
Filesize
244KB

MD5
a2455135519d2505d46318737cf42276

SHA1
526f66e21c34c3eeed0e3f21677c1f823ec0763c

SHA256
d25af0960a9da47b5658291eaa1dd4a50cf6f64b5101b280303199aa0048938f

SHA512
4f3eb748061a5171ab8acb0daf11ef568de0b4881635a69eea222e84b49aaffa18b15b35d9943529dde07b217a6ec966878a53c7e1567ea638622f52f9c01da6

Download Submit
memory/1228-71-0x0000000000000000-mapping.dmp

Download
memory/1276-90-0x0000000002960000-0x000000000297E000-memory.dmp

Filesize
120KB

Download
memory/1708-63-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/1708-73-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-67-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-66-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-68-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-64-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-54-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-60-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-61-0x000000000044F480-mapping.dmp

Download
memory/1708-65-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-57-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1708-58-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1740-86-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1740-87-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1740-88-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1740-89-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1740-82-0x000000000044F480-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads