metasploit | c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8

General

Target

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
Size

264KB
MD5

c8163be8a4317e06cdb97b33b805d9a1
SHA1

581f759e03d7a9b4721b490e27a794ae28e5753c
SHA256

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8
SHA512

90801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb
SSDEEP

6144:w/UvChJWQnyLCRvEVcZqHsmDUSnR3nbnPnn8nbnPnn8nbnPnn8nbnPnn8nbnPnn8:wqChJjntRgACpVR

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:

igfxtc64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxtc64.exe = "C:\\Windows\\SysWOW64\\igfxtc64.exe:*:Enabled:Intel Task Control"	igfxtc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxtc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxtc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxtc64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxtc64.exe = "C:\\Windows\\SysWOW64\\igfxtc64.exe:*:Enabled:Intel Task Control"	igfxtc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxtc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxtc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxtc64.exe

Executes dropped EXE 2 IoCs

Processes:

igfxtc64.exeigfxtc64.exe

pid process

1416 igfxtc64.exe
1372 igfxtc64.exe

pid	process
1416	igfxtc64.exe
1372	igfxtc64.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2348-133-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2348-135-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2348-136-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2348-137-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2348-138-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2348-142-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1372-147-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1372-148-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1372-149-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1372-150-0x0000000000400000-0x0000000000464000-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:

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

igfxtc64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	igfxtc64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Task Control = "C:\\Windows\\SysWOW64\\igfxtc64.exe"	igfxtc64.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:

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exeigfxtc64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxtc64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxtc64.exe

Drops file in System32 directory 5 IoCs

Processes:

igfxtc64.exec393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\igfxtc64.exe	igfxtc64.exe
File opened for modification	C:\Windows\SysWOW64\	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
File opened for modification	C:\Windows\SysWOW64\igfxtc64.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
File created	C:\Windows\SysWOW64\igfxtc64.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
File opened for modification	C:\Windows\SysWOW64\	igfxtc64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exeigfxtc64.exe

description	pid	process	target process
PID 5008 set thread context of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 1416 set thread context of 1372	1416	igfxtc64.exe	igfxtc64.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:

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exeigfxtc64.exe

pid	process
2348	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
2348	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
2348	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
2348	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe
1372	igfxtc64.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exec393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exeigfxtc64.exeigfxtc64.exe

description	pid	process	target process
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 5008 wrote to memory of 2348	5008	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
PID 2348 wrote to memory of 1416	2348	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	igfxtc64.exe
PID 2348 wrote to memory of 1416	2348	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	igfxtc64.exe
PID 2348 wrote to memory of 1416	2348	c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1416 wrote to memory of 1372	1416	igfxtc64.exe	igfxtc64.exe
PID 1372 wrote to memory of 3020	1372	igfxtc64.exe	Explorer.EXE
PID 1372 wrote to memory of 3020	1372	igfxtc64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3020

C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
"C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5008

C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.exe
"C:\Users\Admin\AppData\Local\Temp\c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8.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:2348

C:\Windows\SysWOW64\igfxtc64.exe
"C:\Windows\SysWOW64\igfxtc64.exe" C:\Users\Admin\AppData\Local\Temp\C39395~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\SysWOW64\igfxtc64.exe
"C:\Windows\SysWOW64\igfxtc64.exe" C:\Users\Admin\AppData\Local\Temp\C39395~1.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:1372

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\igfxtc64.exe
Filesize
264KB

MD5
c8163be8a4317e06cdb97b33b805d9a1

SHA1
581f759e03d7a9b4721b490e27a794ae28e5753c

SHA256
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8

SHA512
90801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb

Download Submit
C:\Windows\SysWOW64\igfxtc64.exe
Filesize
264KB

MD5
c8163be8a4317e06cdb97b33b805d9a1

SHA1
581f759e03d7a9b4721b490e27a794ae28e5753c

SHA256
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8

SHA512
90801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb

Download Submit
C:\Windows\SysWOW64\igfxtc64.exe
Filesize
264KB

MD5
c8163be8a4317e06cdb97b33b805d9a1

SHA1
581f759e03d7a9b4721b490e27a794ae28e5753c

SHA256
c393950740b0b2e19ce640511930d23c35f7d86a79fc456906e2b7a2445d53a8

SHA512
90801fc802ca8e970599e5823ef645813dc0d2c585cacf15d9580304b66a245c4d34704284bb21cca677e3a371438ab24018f840e6842652231e211ad18c7fbb

Download Submit
memory/1372-147-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1372-143-0x0000000000000000-mapping.dmp

Download
memory/1372-148-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1372-149-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1372-150-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1416-139-0x0000000000000000-mapping.dmp

Download
memory/2348-137-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2348-138-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2348-136-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2348-135-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2348-142-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2348-133-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2348-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads