metasploit | afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb

General

Target

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
Size

276KB
MD5

2a30549112a7b803a9373ba2df441354
SHA1

2a0882090f770c934174cccae9a31c5fa5dc5f8a
SHA256

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb
SHA512

e8ec0c03daa2bb0fbf614ab88a968935623eb91b5cf1b4836560405b98fce8ab370e847aa901c9b73791aafe47168c96a0b1653e662287a7e7d9a981a46eacdd
SSDEEP

6144:NyO476+p6S5uK/mTSwNKwtpflRCDuRQDQZw8NRr:NT4u+p64tmTvNKwtpdRCDPf8NRr

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:

igfxcb86.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcb86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcb86.exe = "C:\\Windows\\SysWOW64\\igfxcb86.exe:*:Enabled:Intel Display Daemon"	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxcb86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcb86.exe = "C:\\Windows\\SysWOW64\\igfxcb86.exe:*:Enabled:Intel Display Daemon"	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxcb86.exe

Executes dropped EXE 2 IoCs

Processes:

igfxcb86.exeigfxcb86.exe

pid process

1868 igfxcb86.exe
1704 igfxcb86.exe

pid	process
1868	igfxcb86.exe
1704	igfxcb86.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3128-134-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3128-137-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3128-138-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3128-139-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral2/memory/3128-140-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral2/memory/3128-144-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1704-153-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1704-154-0x0000000000400000-0x000000000044B000-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:

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

igfxcb86.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	igfxcb86.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Display Daemon = "C:\\Windows\\SysWOW64\\igfxcb86.exe"	igfxcb86.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:

igfxcb86.exeafcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxcb86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxcb86.exe

Drops file in System32 directory 4 IoCs

Processes:

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exeigfxcb86.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
File opened for modification	C:\Windows\SysWOW64\igfxcb86.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
File created	C:\Windows\SysWOW64\igfxcb86.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
File opened for modification	C:\Windows\SysWOW64\	igfxcb86.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exeigfxcb86.exe

description	pid	process	target process
PID 4632 set thread context of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 1868 set thread context of 1704	1868	igfxcb86.exe	igfxcb86.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:

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exeigfxcb86.exe

pid	process
3128	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
3128	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
3128	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
3128	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
1704	igfxcb86.exe
1704	igfxcb86.exe
1704	igfxcb86.exe
1704	igfxcb86.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

pid process

4632 afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

pid	process
4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exeafcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exeigfxcb86.exeigfxcb86.exe

description	pid	process	target process
PID 4632 wrote to memory of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 4632 wrote to memory of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 4632 wrote to memory of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 4632 wrote to memory of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 4632 wrote to memory of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 4632 wrote to memory of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 4632 wrote to memory of 3128	4632	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
PID 3128 wrote to memory of 1868	3128	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	igfxcb86.exe
PID 3128 wrote to memory of 1868	3128	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	igfxcb86.exe
PID 3128 wrote to memory of 1868	3128	afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe	igfxcb86.exe
PID 1868 wrote to memory of 1704	1868	igfxcb86.exe	igfxcb86.exe
PID 1868 wrote to memory of 1704	1868	igfxcb86.exe	igfxcb86.exe
PID 1868 wrote to memory of 1704	1868	igfxcb86.exe	igfxcb86.exe
PID 1868 wrote to memory of 1704	1868	igfxcb86.exe	igfxcb86.exe
PID 1868 wrote to memory of 1704	1868	igfxcb86.exe	igfxcb86.exe
PID 1868 wrote to memory of 1704	1868	igfxcb86.exe	igfxcb86.exe
PID 1868 wrote to memory of 1704	1868	igfxcb86.exe	igfxcb86.exe
PID 1704 wrote to memory of 1076	1704	igfxcb86.exe	Explorer.EXE
PID 1704 wrote to memory of 1076	1704	igfxcb86.exe	Explorer.EXE

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

C:\Users\Admin\AppData\Local\Temp\afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
"C:\Users\Admin\AppData\Local\Temp\afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4632

C:\Users\Admin\AppData\Local\Temp\afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.exe
"C:\Users\Admin\AppData\Local\Temp\afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb.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\igfxcb86.exe
"C:\Windows\SysWOW64\igfxcb86.exe" C:\Users\Admin\AppData\Local\Temp\AFCF1E~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\igfxcb86.exe
"C:\Windows\SysWOW64\igfxcb86.exe" C:\Users\Admin\AppData\Local\Temp\AFCF1E~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:1704

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\igfxcb86.exe
Filesize
276KB

MD5
2a30549112a7b803a9373ba2df441354

SHA1
2a0882090f770c934174cccae9a31c5fa5dc5f8a

SHA256
afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb

SHA512
e8ec0c03daa2bb0fbf614ab88a968935623eb91b5cf1b4836560405b98fce8ab370e847aa901c9b73791aafe47168c96a0b1653e662287a7e7d9a981a46eacdd

Download Submit
C:\Windows\SysWOW64\igfxcb86.exe
Filesize
276KB

MD5
2a30549112a7b803a9373ba2df441354

SHA1
2a0882090f770c934174cccae9a31c5fa5dc5f8a

SHA256
afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb

SHA512
e8ec0c03daa2bb0fbf614ab88a968935623eb91b5cf1b4836560405b98fce8ab370e847aa901c9b73791aafe47168c96a0b1653e662287a7e7d9a981a46eacdd

Download Submit
C:\Windows\SysWOW64\igfxcb86.exe
Filesize
276KB

MD5
2a30549112a7b803a9373ba2df441354

SHA1
2a0882090f770c934174cccae9a31c5fa5dc5f8a

SHA256
afcf1e20ef07b696df76917f64f023de5d39d189f068ee2c5884e898284ccafb

SHA512
e8ec0c03daa2bb0fbf614ab88a968935623eb91b5cf1b4836560405b98fce8ab370e847aa901c9b73791aafe47168c96a0b1653e662287a7e7d9a981a46eacdd

Download Submit
memory/1704-154-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1704-153-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1704-145-0x0000000000000000-mapping.dmp

Download
memory/1868-146-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1868-141-0x0000000000000000-mapping.dmp

Download
memory/1868-150-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3128-140-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3128-139-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3128-138-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3128-144-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3128-137-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3128-134-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3128-133-0x0000000000000000-mapping.dmp

Download
memory/4632-132-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4632-135-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads