metasploit | 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f

General

Target

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
Size

246KB
MD5

791b8f6c49b235238e4109db3cead404
SHA1

5a5d12b4017a2bff39d73103d4c48ce1dd247fdf
SHA256

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f
SHA512

0108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151
SSDEEP

6144:JRneWALBZ/23BggscIPf2HP9rnw0qO4/SkeeabLCYBVtlXY:JRefVp23Bggsci2HlnU/SCALCGVtlY

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:

igfxkb86.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxkb86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxkb86.exe = "C:\\Windows\\SysWOW64\\igfxkb86.exe:*:Enabled:Intel Backup Monitor"	igfxkb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxkb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxkb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxkb86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxkb86.exe = "C:\\Windows\\SysWOW64\\igfxkb86.exe:*:Enabled:Intel Backup Monitor"	igfxkb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxkb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxkb86.exe

Executes dropped EXE 2 IoCs

Processes:

igfxkb86.exeigfxkb86.exe

pid process

4408 igfxkb86.exe
1968 igfxkb86.exe

pid	process
4408	igfxkb86.exe
1968	igfxkb86.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/396-133-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/396-135-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/396-136-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/396-137-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/396-147-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/1968-148-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1968-149-0x0000000000400000-0x000000000044F000-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:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

igfxkb86.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	igfxkb86.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Backup Monitor = "C:\\Windows\\SysWOW64\\igfxkb86.exe"	igfxkb86.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:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxkb86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxkb86.exe

Drops file in System32 directory 4 IoCs

Processes:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
File opened for modification	C:\Windows\SysWOW64\igfxkb86.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
File created	C:\Windows\SysWOW64\igfxkb86.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
File opened for modification	C:\Windows\SysWOW64\	igfxkb86.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exe

description	pid	process	target process
PID 5056 set thread context of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 4408 set thread context of 1968	4408	igfxkb86.exe	igfxkb86.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:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exe

pid	process
396	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
396	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
396	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
396	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
1968	igfxkb86.exe
1968	igfxkb86.exe
1968	igfxkb86.exe
1968	igfxkb86.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe

pid process

5056 13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe

pid	process
5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exeigfxkb86.exeigfxkb86.exe

description	pid	process	target process
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 5056 wrote to memory of 396	5056	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
PID 396 wrote to memory of 4408	396	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	igfxkb86.exe
PID 396 wrote to memory of 4408	396	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	igfxkb86.exe
PID 396 wrote to memory of 4408	396	13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 4408 wrote to memory of 1968	4408	igfxkb86.exe	igfxkb86.exe
PID 1968 wrote to memory of 2376	1968	igfxkb86.exe	Explorer.EXE
PID 1968 wrote to memory of 2376	1968	igfxkb86.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2376

C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
"C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:5056

C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.exe
"C:\Users\Admin\AppData\Local\Temp\13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f.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:396

C:\Windows\SysWOW64\igfxkb86.exe
"C:\Windows\SysWOW64\igfxkb86.exe" C:\Users\Admin\AppData\Local\Temp\13FE26~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4408

C:\Windows\SysWOW64\igfxkb86.exe
"C:\Windows\SysWOW64\igfxkb86.exe" C:\Users\Admin\AppData\Local\Temp\13FE26~1.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:1968

Network

MITRE ATT&CK Enterprise 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

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\igfxkb86.exe

Filesize
246KB

MD5
791b8f6c49b235238e4109db3cead404

SHA1
5a5d12b4017a2bff39d73103d4c48ce1dd247fdf

SHA256
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f

SHA512
0108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151

Download Submit
C:\Windows\SysWOW64\igfxkb86.exe

Filesize
246KB

MD5
791b8f6c49b235238e4109db3cead404

SHA1
5a5d12b4017a2bff39d73103d4c48ce1dd247fdf

SHA256
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f

SHA512
0108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151

Download Submit
C:\Windows\SysWOW64\igfxkb86.exe

Filesize
246KB

MD5
791b8f6c49b235238e4109db3cead404

SHA1
5a5d12b4017a2bff39d73103d4c48ce1dd247fdf

SHA256
13fe269ceed9d9c4f5745a1dd7b7682d79efe5f05faeb00c4409a591b405fb1f

SHA512
0108c22b337ed0f19f3feb99195cd79d20cfa64af973166a1f9fd59758dbfb67629383845b15e3d42a9412e19c7e828e62f2814a5d9d3ad5b5d7bc7bc1d58151

Download Submit
memory/396-136-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/396-137-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/396-135-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/396-133-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/396-132-0x0000000000000000-mapping.dmp

Download
memory/396-147-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1968-141-0x0000000000000000-mapping.dmp

Download
memory/1968-148-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1968-149-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4408-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads