79c70132d8af494d0debc352db407d99b5c8c83b4484946b8a10be432e8f80b1

Resubmissions

11-06-2023 01:19

230611-bpmdtsgh9z 7

11-06-2023 01:17

230611-bnn62agb96 7

Analysis

max time kernel
150s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11-06-2023 01:19

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General

Target

fssd_anchors_v2.pb
Size

146B
MD5

0378acddee991b12cf3116563b16d036
SHA1

a7c8d4dcc6362953640048328e7a76c7f4b2b00d
SHA256

7516ed46c04ab0fb850357b306c4c57f10af6f8ae44d6836318e7b872fc21ff6
SHA512

f48c85d7ef5d5f5b1607df4de51c816c29a4f3fc5aa59f5f05bf717245957f4c1753253b866ec5d4e55b917754a5dcada35e6772a5ba3e5722e032459bae5fe5

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.pb\ = "pb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\pb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\pb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\pb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\pb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\pb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.pb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\pb_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

880 AcroRd32.exe
880 AcroRd32.exe
880 AcroRd32.exe

pid	process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2024 wrote to memory of 1396	2024	cmd.exe	rundll32.exe
PID 2024 wrote to memory of 1396	2024	cmd.exe	rundll32.exe
PID 2024 wrote to memory of 1396	2024	cmd.exe	rundll32.exe
PID 1396 wrote to memory of 880	1396	rundll32.exe	AcroRd32.exe
PID 1396 wrote to memory of 880	1396	rundll32.exe	AcroRd32.exe
PID 1396 wrote to memory of 880	1396	rundll32.exe	AcroRd32.exe
PID 1396 wrote to memory of 880	1396	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fssd_anchors_v2.pb
1⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\fssd_anchors_v2.pb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1396

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\fssd_anchors_v2.pb"
3⤵
- Suspicious use of SetWindowsHookEx
PID:880

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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