metasploit | c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068

General

Target

c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
Size

264KB
MD5

4a98d7b922e2f2f1311691fd72ac6165
SHA1

b8908da5939129a18c74c6e3cdf84173d82cb976
SHA256

c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068
SHA512

31c807071057ec5108f49f07f9c2b1fbad6cd8e2b037d73a512fc7a5e726459f04c6d3021856e8ea09fa322aa90f43a638367c9cae300c87f7874dd1d633dcd9
SSDEEP

6144:gxmbk8IpdzdmGnmAKta4p8uMqR1q/tKu31q/t:gxmbk9pmKUtaK8uMeIYII

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:

wmpdn64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdn64.exe = "C:\\Windows\\SysWOW64\\wmpdn64.exe:*:Enabled:Windows Media Manager"	wmpdn64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdn64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdn64.exe = "C:\\Windows\\SysWOW64\\wmpdn64.exe:*:Enabled:Windows Media Manager"	wmpdn64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdn64.exe

Executes dropped EXE 2 IoCs

Processes:

wmpdn64.exewmpdn64.exe

pid process

1880 wmpdn64.exe
1548 wmpdn64.exe

pid	process
1880	wmpdn64.exe
1548	wmpdn64.exe

UPX packed file 14 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1236-55-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-58-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-57-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-60-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-64-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-65-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-66-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-67-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1236-72-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1548-85-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1548-86-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1548-87-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1548-88-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1548-89-0x0000000000400000-0x0000000000464000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

wmpdn64.exe

pid process

1548 wmpdn64.exe

pid	process
1548	wmpdn64.exe

Loads dropped DLL 2 IoCs

Processes:

c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe

pid	process
1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wmpdn64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Manager = "C:\\Windows\\SysWOW64\\wmpdn64.exe"	wmpdn64.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	wmpdn64.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:

c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exewmpdn64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdn64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	wmpdn64.exe

Drops file in System32 directory 5 IoCs

Processes:

wmpdn64.exec78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\wmpdn64.exe	wmpdn64.exe
File opened for modification	C:\Windows\SysWOW64\	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
File opened for modification	C:\Windows\SysWOW64\wmpdn64.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
File created	C:\Windows\SysWOW64\wmpdn64.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdn64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exewmpdn64.exe

description	pid	process	target process
PID 1392 set thread context of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1880 set thread context of 1548	1880	wmpdn64.exe	wmpdn64.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:

c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exewmpdn64.exe

pid	process
1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
1548	wmpdn64.exe
1548	wmpdn64.exe
1548	wmpdn64.exe
1548	wmpdn64.exe
1548	wmpdn64.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exec78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exewmpdn64.exewmpdn64.exe

description	pid	process	target process
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1392 wrote to memory of 1236	1392	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
PID 1236 wrote to memory of 1880	1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	wmpdn64.exe
PID 1236 wrote to memory of 1880	1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	wmpdn64.exe
PID 1236 wrote to memory of 1880	1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	wmpdn64.exe
PID 1236 wrote to memory of 1880	1236	c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1880 wrote to memory of 1548	1880	wmpdn64.exe	wmpdn64.exe
PID 1548 wrote to memory of 1272	1548	wmpdn64.exe	Explorer.EXE
PID 1548 wrote to memory of 1272	1548	wmpdn64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1272

C:\Users\Admin\AppData\Local\Temp\c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
"C:\Users\Admin\AppData\Local\Temp\c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Local\Temp\c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe
"C:\Users\Admin\AppData\Local\Temp\c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068.exe"
3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\wmpdn64.exe
"C:\Windows\SysWOW64\wmpdn64.exe" C:\Users\Admin\AppData\Local\Temp\C78A9F~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1880

C:\Windows\SysWOW64\wmpdn64.exe
"C:\Windows\SysWOW64\wmpdn64.exe" C:\Users\Admin\AppData\Local\Temp\C78A9F~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:1548

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\wmpdn64.exe
Filesize
264KB

MD5
4a98d7b922e2f2f1311691fd72ac6165

SHA1
b8908da5939129a18c74c6e3cdf84173d82cb976

SHA256
c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068

SHA512
31c807071057ec5108f49f07f9c2b1fbad6cd8e2b037d73a512fc7a5e726459f04c6d3021856e8ea09fa322aa90f43a638367c9cae300c87f7874dd1d633dcd9

Download Submit
C:\Windows\SysWOW64\wmpdn64.exe
Filesize
264KB

MD5
4a98d7b922e2f2f1311691fd72ac6165

SHA1
b8908da5939129a18c74c6e3cdf84173d82cb976

SHA256
c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068

SHA512
31c807071057ec5108f49f07f9c2b1fbad6cd8e2b037d73a512fc7a5e726459f04c6d3021856e8ea09fa322aa90f43a638367c9cae300c87f7874dd1d633dcd9

Download Submit
C:\Windows\SysWOW64\wmpdn64.exe
Filesize
264KB

MD5
4a98d7b922e2f2f1311691fd72ac6165

SHA1
b8908da5939129a18c74c6e3cdf84173d82cb976

SHA256
c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068

SHA512
31c807071057ec5108f49f07f9c2b1fbad6cd8e2b037d73a512fc7a5e726459f04c6d3021856e8ea09fa322aa90f43a638367c9cae300c87f7874dd1d633dcd9

Download Submit
\Windows\SysWOW64\wmpdn64.exe
Filesize
264KB

MD5
4a98d7b922e2f2f1311691fd72ac6165

SHA1
b8908da5939129a18c74c6e3cdf84173d82cb976

SHA256
c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068

SHA512
31c807071057ec5108f49f07f9c2b1fbad6cd8e2b037d73a512fc7a5e726459f04c6d3021856e8ea09fa322aa90f43a638367c9cae300c87f7874dd1d633dcd9

Download Submit
\Windows\SysWOW64\wmpdn64.exe
Filesize
264KB

MD5
4a98d7b922e2f2f1311691fd72ac6165

SHA1
b8908da5939129a18c74c6e3cdf84173d82cb976

SHA256
c78a9fe193a5240db70347db2d706f7220cb6c44bdfe93963a913017bae2a068

SHA512
31c807071057ec5108f49f07f9c2b1fbad6cd8e2b037d73a512fc7a5e726459f04c6d3021856e8ea09fa322aa90f43a638367c9cae300c87f7874dd1d633dcd9

Download Submit
memory/1236-54-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-57-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-64-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-65-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-66-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-67-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-61-0x000000000044F420-mapping.dmp

Download
memory/1236-60-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-58-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-63-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/1236-72-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1236-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1272-90-0x0000000002920000-0x000000000293E000-memory.dmp

Filesize
120KB

Download
memory/1548-81-0x000000000044F420-mapping.dmp

Download
memory/1548-85-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1548-86-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1548-87-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1548-88-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1548-89-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1880-70-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads