metasploit | cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

General

Target

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
Size

264KB
MD5

99443f0fe6928746ba6a8b41fff141d8
SHA1

28f1a01d758c7285f8b87eaf78e11588f031cd4f
SHA256

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c
SHA512

fb23c8e0e80cb37337affd699d7f15969766f8efa3b507695b150a418f6c73cd93c4e29b12a83667c08457bd6861b33b80ad3bd91d79b1716c58aeea702641e9
SSDEEP

6144:tC5ujFI7ZTHzevFiTpTyyGkY/U/no//XkY/U/no//XMMXgMXgMXgMXgMXgMXgMXv:tpS7Rze9QpnGkY/U/no//XkY/U/no//X

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:

igfxds64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxds64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxds64.exe = "C:\\Windows\\SysWOW64\\igfxds64.exe:*:Enabled:Intel Display Starter"	igfxds64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxds64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxds64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxds64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxds64.exe = "C:\\Windows\\SysWOW64\\igfxds64.exe:*:Enabled:Intel Display Starter"	igfxds64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxds64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxds64.exe

Executes dropped EXE 2 IoCs

Processes:

igfxds64.exeigfxds64.exe

pid process

380 igfxds64.exe
3316 igfxds64.exe

pid	process
380	igfxds64.exe
3316	igfxds64.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2856-133-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2856-135-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2856-136-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2856-137-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2856-141-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3316-147-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3316-148-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3316-149-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3316-150-0x0000000000400000-0x0000000000464000-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:

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

igfxds64.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	igfxds64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Display Starter = "C:\\Windows\\SysWOW64\\igfxds64.exe"	igfxds64.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:

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exeigfxds64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxds64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxds64.exe

Drops file in System32 directory 5 IoCs

Processes:

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exeigfxds64.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
File opened for modification	C:\Windows\SysWOW64\igfxds64.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
File created	C:\Windows\SysWOW64\igfxds64.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
File opened for modification	C:\Windows\SysWOW64\	igfxds64.exe
File opened for modification	C:\Windows\SysWOW64\igfxds64.exe	igfxds64.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exeigfxds64.exe

description	pid	process	target process
PID 1048 set thread context of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 380 set thread context of 3316	380	igfxds64.exe	igfxds64.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:

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exeigfxds64.exe

pid	process
2856	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
2856	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
2856	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
2856	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe
3316	igfxds64.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.execee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exeigfxds64.exeigfxds64.exe

description	pid	process	target process
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 1048 wrote to memory of 2856	1048	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
PID 2856 wrote to memory of 380	2856	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	igfxds64.exe
PID 2856 wrote to memory of 380	2856	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	igfxds64.exe
PID 2856 wrote to memory of 380	2856	cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 380 wrote to memory of 3316	380	igfxds64.exe	igfxds64.exe
PID 3316 wrote to memory of 3092	3316	igfxds64.exe	Explorer.EXE
PID 3316 wrote to memory of 3092	3316	igfxds64.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3092

C:\Users\Admin\AppData\Local\Temp\cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
"C:\Users\Admin\AppData\Local\Temp\cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048

C:\Users\Admin\AppData\Local\Temp\cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.exe
"C:\Users\Admin\AppData\Local\Temp\cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c.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:2856

C:\Windows\SysWOW64\igfxds64.exe
"C:\Windows\SysWOW64\igfxds64.exe" C:\Users\Admin\AppData\Local\Temp\CEE308~1.EXE
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:380

C:\Windows\SysWOW64\igfxds64.exe
"C:\Windows\SysWOW64\igfxds64.exe" C:\Users\Admin\AppData\Local\Temp\CEE308~1.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:3316

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\igfxds64.exe
Filesize
264KB

MD5
99443f0fe6928746ba6a8b41fff141d8

SHA1
28f1a01d758c7285f8b87eaf78e11588f031cd4f

SHA256
cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

SHA512
fb23c8e0e80cb37337affd699d7f15969766f8efa3b507695b150a418f6c73cd93c4e29b12a83667c08457bd6861b33b80ad3bd91d79b1716c58aeea702641e9

Download Submit
C:\Windows\SysWOW64\igfxds64.exe
Filesize
264KB

MD5
99443f0fe6928746ba6a8b41fff141d8

SHA1
28f1a01d758c7285f8b87eaf78e11588f031cd4f

SHA256
cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

SHA512
fb23c8e0e80cb37337affd699d7f15969766f8efa3b507695b150a418f6c73cd93c4e29b12a83667c08457bd6861b33b80ad3bd91d79b1716c58aeea702641e9

Download Submit
C:\Windows\SysWOW64\igfxds64.exe
Filesize
264KB

MD5
99443f0fe6928746ba6a8b41fff141d8

SHA1
28f1a01d758c7285f8b87eaf78e11588f031cd4f

SHA256
cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

SHA512
fb23c8e0e80cb37337affd699d7f15969766f8efa3b507695b150a418f6c73cd93c4e29b12a83667c08457bd6861b33b80ad3bd91d79b1716c58aeea702641e9

Download Submit
memory/380-138-0x0000000000000000-mapping.dmp

Download
memory/2856-136-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2856-137-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2856-132-0x0000000000000000-mapping.dmp

Download
memory/2856-135-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2856-141-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2856-133-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3316-142-0x0000000000000000-mapping.dmp

Download
memory/3316-147-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3316-148-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3316-149-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3316-150-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads