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
34s
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

MFT_fssd_accgray.pb
Size

793B
MD5

45e2a40a72a74da0de1721fa0ef36f7f
SHA1

b6aedf45ac11437e7d8bf73414456fa50e8e79ed
SHA256

f0adb04d7b21b4d9889932a62f0eff127eedb27d2f85342a90144153ca0b81b1
SHA512

d5a2706db36c5a39eba517f0451524b4a5612cd8bf02b4a6962b241bc6cfe8910cae3ccbe9a9ec82789afa99b1f4ec4c344e8183b783afd64b4ca734739d519c

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\pb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\pb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.pb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\pb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\pb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_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-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\pb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.pb\ = "pb_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1720 AcroRd32.exe
1720 AcroRd32.exe
1720 AcroRd32.exe

pid	process
1720	AcroRd32.exe
1720	AcroRd32.exe
1720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2008 wrote to memory of 1868	2008	cmd.exe	rundll32.exe
PID 2008 wrote to memory of 1868	2008	cmd.exe	rundll32.exe
PID 2008 wrote to memory of 1868	2008	cmd.exe	rundll32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe
PID 1868 wrote to memory of 1720	1868	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MFT_fssd_accgray.pb
1⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MFT_fssd_accgray.pb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1868

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\MFT_fssd_accgray.pb"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1720

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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