metasploit | 79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

General

Target

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
Size

167KB
MD5

75a4bb32f0c21fef986fc173da1f4ecd
SHA1

c4bdb42e05e9097ba2ae739806f4300fa651427d
SHA256

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e
SHA512

85894bf419ca4cf6ee073530d508a43b859f002cc3b7c6b1a37c6670724aa872dfd5de280b995c3131f3de1aa972ceabcd46738e586e6be89137c1c88e74d231
SSDEEP

3072:0LPfd85kN4bZF+WSUVwoludo+EryI2zgbXsVYQ4qiturfOnPtT34:6a5k4ZFPSUGfdoj127NZOna

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

Modify Existing Service

T1031

Processes:

igfxnd86.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxnd86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnd86.exe = "C:\\Windows\\SysWOW64\\igfxnd86.exe:*:Enabled:Intel Networking Service"	igfxnd86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxnd86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxnd86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxnd86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnd86.exe = "C:\\Windows\\SysWOW64\\igfxnd86.exe:*:Enabled:Intel Networking Service"	igfxnd86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxnd86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxnd86.exe

Executes dropped EXE 2 IoCs

Processes:

igfxnd86.exeigfxnd86.exe

pid process

1896 igfxnd86.exe
4976 igfxnd86.exe

pid	process
1896	igfxnd86.exe
4976	igfxnd86.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3128-133-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3128-135-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3128-136-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3128-137-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3128-147-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4976-148-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4976-149-0x0000000000400000-0x000000000044C000-memory.dmp	upx

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:

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

igfxnd86.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Networking Service = "C:\\Windows\\SysWOW64\\igfxnd86.exe"	igfxnd86.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	igfxnd86.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:

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exeigfxnd86.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxnd86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxnd86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe

Drops file in System32 directory 4 IoCs

Processes:

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exeigfxnd86.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
File opened for modification	C:\Windows\SysWOW64\igfxnd86.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
File created	C:\Windows\SysWOW64\igfxnd86.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
File opened for modification	C:\Windows\SysWOW64\	igfxnd86.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exeigfxnd86.exe

description	pid	process	target process
PID 3116 set thread context of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 1896 set thread context of 4976	1896	igfxnd86.exe	igfxnd86.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exeigfxnd86.exe

pid	process
3128	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
3128	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
3128	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
3128	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
4976	igfxnd86.exe
4976	igfxnd86.exe
4976	igfxnd86.exe
4976	igfxnd86.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exeigfxnd86.exeigfxnd86.exe

description	pid	process	target process
PID 3116 wrote to memory of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 3116 wrote to memory of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 3116 wrote to memory of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 3116 wrote to memory of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 3116 wrote to memory of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 3116 wrote to memory of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 3116 wrote to memory of 3128	3116	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
PID 3128 wrote to memory of 1896	3128	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	igfxnd86.exe
PID 3128 wrote to memory of 1896	3128	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	igfxnd86.exe
PID 3128 wrote to memory of 1896	3128	79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe	igfxnd86.exe
PID 1896 wrote to memory of 4976	1896	igfxnd86.exe	igfxnd86.exe
PID 1896 wrote to memory of 4976	1896	igfxnd86.exe	igfxnd86.exe
PID 1896 wrote to memory of 4976	1896	igfxnd86.exe	igfxnd86.exe
PID 1896 wrote to memory of 4976	1896	igfxnd86.exe	igfxnd86.exe
PID 1896 wrote to memory of 4976	1896	igfxnd86.exe	igfxnd86.exe
PID 1896 wrote to memory of 4976	1896	igfxnd86.exe	igfxnd86.exe
PID 1896 wrote to memory of 4976	1896	igfxnd86.exe	igfxnd86.exe
PID 4976 wrote to memory of 1076	4976	igfxnd86.exe	Explorer.EXE
PID 4976 wrote to memory of 1076	4976	igfxnd86.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1076

C:\Users\Admin\AppData\Local\Temp\79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
"C:\Users\Admin\AppData\Local\Temp\79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3116

C:\Users\Admin\AppData\Local\Temp\79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.exe
"C:\Users\Admin\AppData\Local\Temp\79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e.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:3128

C:\Windows\SysWOW64\igfxnd86.exe
"C:\Windows\SysWOW64\igfxnd86.exe" C:\Users\Admin\AppData\Local\Temp\79F7A5~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\SysWOW64\igfxnd86.exe
"C:\Windows\SysWOW64\igfxnd86.exe" C:\Users\Admin\AppData\Local\Temp\79F7A5~1.EXE
5⤵
- Modifies firewall policy service
- 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:4976

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

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\igfxnd86.exe
Filesize
167KB

MD5
75a4bb32f0c21fef986fc173da1f4ecd

SHA1
c4bdb42e05e9097ba2ae739806f4300fa651427d

SHA256
79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

SHA512
85894bf419ca4cf6ee073530d508a43b859f002cc3b7c6b1a37c6670724aa872dfd5de280b995c3131f3de1aa972ceabcd46738e586e6be89137c1c88e74d231

Download Submit
C:\Windows\SysWOW64\igfxnd86.exe
Filesize
167KB

MD5
75a4bb32f0c21fef986fc173da1f4ecd

SHA1
c4bdb42e05e9097ba2ae739806f4300fa651427d

SHA256
79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

SHA512
85894bf419ca4cf6ee073530d508a43b859f002cc3b7c6b1a37c6670724aa872dfd5de280b995c3131f3de1aa972ceabcd46738e586e6be89137c1c88e74d231

Download Submit
C:\Windows\SysWOW64\igfxnd86.exe
Filesize
167KB

MD5
75a4bb32f0c21fef986fc173da1f4ecd

SHA1
c4bdb42e05e9097ba2ae739806f4300fa651427d

SHA256
79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

SHA512
85894bf419ca4cf6ee073530d508a43b859f002cc3b7c6b1a37c6670724aa872dfd5de280b995c3131f3de1aa972ceabcd46738e586e6be89137c1c88e74d231

Download Submit
memory/1896-138-0x0000000000000000-mapping.dmp

Download
memory/3128-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3128-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3128-132-0x0000000000000000-mapping.dmp

Download
memory/3128-135-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3128-133-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3128-147-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4976-141-0x0000000000000000-mapping.dmp

Download
memory/4976-148-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4976-149-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads