metasploit | de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335

General

Target

de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
Size

141KB
MD5

285cd18dd3701bae3ecfa39d382f3c7f
SHA1

762014d84cf7c332e360bf7eea1d49d2750fce36
SHA256

de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335
SHA512

9717bbbdca69ef9ed861b5035e59dc5d0d6af7650c9bd5ca0ebdbe91ab830f36bad6a91b60470e633f2ad2f3284661c0dafa82a9ea96831354cb4e760fd41683
SSDEEP

3072:tOl65WKRBmv0M7y3cEUWR9sODbfHZ588LIrhDoYWtVhS:tusrDUAtv8yISg

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxnt32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnt32.exe = "C:\\Windows\\SysWOW64\\igfxnt32.exe:*:Enabled:Intel nDisplay Driver"	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxnt32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnt32.exe = "C:\\Windows\\SysWOW64\\igfxnt32.exe:*:Enabled:Intel nDisplay Driver"	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxnt32.exe

Executes dropped EXE 2 IoCs

pid	Process
1820	igfxnt32.exe
1764	igfxnt32.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2972-133-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2972-135-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2972-136-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2972-137-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2972-138-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2972-148-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1764-149-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1764-150-0x0000000000400000-0x000000000044C000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	igfxnt32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel nDisplay Driver = "C:\\Windows\\SysWOW64\\igfxnt32.exe"	igfxnt32.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxnt32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxnt32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\igfxnt32.exe	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
File opened for modification	C:\Windows\SysWOW64\	igfxnt32.exe
File opened for modification	C:\Windows\SysWOW64\	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
File opened for modification	C:\Windows\SysWOW64\igfxnt32.exe	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4696 set thread context of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 1820 set thread context of 1764	1820	igfxnt32.exe	85

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2972	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
2972	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
2972	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
2972	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
1764	igfxnt32.exe
1764	igfxnt32.exe
1764	igfxnt32.exe
1764	igfxnt32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 4696 wrote to memory of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 4696 wrote to memory of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 4696 wrote to memory of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 4696 wrote to memory of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 4696 wrote to memory of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 4696 wrote to memory of 2972	4696	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	81
PID 2972 wrote to memory of 1820	2972	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	84
PID 2972 wrote to memory of 1820	2972	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	84
PID 2972 wrote to memory of 1820	2972	de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe	84
PID 1820 wrote to memory of 1764	1820	igfxnt32.exe	85
PID 1820 wrote to memory of 1764	1820	igfxnt32.exe	85
PID 1820 wrote to memory of 1764	1820	igfxnt32.exe	85
PID 1820 wrote to memory of 1764	1820	igfxnt32.exe	85
PID 1820 wrote to memory of 1764	1820	igfxnt32.exe	85
PID 1820 wrote to memory of 1764	1820	igfxnt32.exe	85
PID 1820 wrote to memory of 1764	1820	igfxnt32.exe	85
PID 1764 wrote to memory of 1108	1764	igfxnt32.exe	49
PID 1764 wrote to memory of 1108	1764	igfxnt32.exe	49

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1108
- C:\Users\Admin\AppData\Local\Temp\de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
  "C:\Users\Admin\AppData\Local\Temp\de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4696
- - C:\Users\Admin\AppData\Local\Temp\de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.exe
    "C:\Users\Admin\AppData\Local\Temp\de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335.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:2972
  - - C:\Windows\SysWOW64\igfxnt32.exe
      "C:\Windows\SysWOW64\igfxnt32.exe" C:\Users\Admin\AppData\Local\Temp\DE9E30~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:1820
    - - C:\Windows\SysWOW64\igfxnt32.exe
        
        "C:\Windows\SysWOW64\igfxnt32.exe" C:\Users\Admin\AppData\Local\Temp\DE9E30~1.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:1764

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

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Downloads

C:\Windows\SysWOW64\igfxnt32.exe

Filesize
141KB

MD5
285cd18dd3701bae3ecfa39d382f3c7f

SHA1
762014d84cf7c332e360bf7eea1d49d2750fce36

SHA256
de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335

SHA512
9717bbbdca69ef9ed861b5035e59dc5d0d6af7650c9bd5ca0ebdbe91ab830f36bad6a91b60470e633f2ad2f3284661c0dafa82a9ea96831354cb4e760fd41683

Download Submit
C:\Windows\SysWOW64\igfxnt32.exe

Filesize
141KB

MD5
285cd18dd3701bae3ecfa39d382f3c7f

SHA1
762014d84cf7c332e360bf7eea1d49d2750fce36

SHA256
de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335

SHA512
9717bbbdca69ef9ed861b5035e59dc5d0d6af7650c9bd5ca0ebdbe91ab830f36bad6a91b60470e633f2ad2f3284661c0dafa82a9ea96831354cb4e760fd41683

Download Submit
C:\Windows\SysWOW64\igfxnt32.exe

Filesize
141KB

MD5
285cd18dd3701bae3ecfa39d382f3c7f

SHA1
762014d84cf7c332e360bf7eea1d49d2750fce36

SHA256
de9e30502a11e9ed0c8177b07de6ce01deb403e83a01e7e12ce64a166d6b5335

SHA512
9717bbbdca69ef9ed861b5035e59dc5d0d6af7650c9bd5ca0ebdbe91ab830f36bad6a91b60470e633f2ad2f3284661c0dafa82a9ea96831354cb4e760fd41683

Download Submit
memory/1764-149-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-150-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2972-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2972-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2972-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2972-135-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2972-133-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2972-148-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads