784b1348a30bfd0dc8bfc44b4db3d3922bd74afa5b71a90dfbd47201151b6309

Analysis

max time kernel
1561s
max time network
1562s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 00:37

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General

Target

xash.pdb
Size

14.1MB
MD5

023bbc2f97cf72ab71bf06cf948b9311
SHA1

1c1bd28ef9e4aac0695c409323753b12458518ae
SHA256

43fd694fda8a6d95c94e896ce1535be2551f8d5054d05bf271a8a9003ec41a62
SHA512

13e43c1bd6e1c7c4158781c668c3ec27485539aade787d1bd7e291b1020ac5a4222014d5eeb294d2529ad29eb175e6cd10d37fed8298f4c2691b32576899375a
SSDEEP

98304:Wmzrl1VhyHMd6zOXp9zWpnaInlPF8x5OI4qs870aHq:WelhyHRzOXp9zWpl0x5OI48i

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pdb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2644 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2644 AcroRd32.exe
2644 AcroRd32.exe

pid	process
2644	AcroRd32.exe

pid	process
2644	AcroRd32.exe
2644	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 824 wrote to memory of 2732	824	cmd.exe	rundll32.exe
PID 824 wrote to memory of 2732	824	cmd.exe	rundll32.exe
PID 824 wrote to memory of 2732	824	cmd.exe	rundll32.exe
PID 2732 wrote to memory of 2644	2732	rundll32.exe	AcroRd32.exe
PID 2732 wrote to memory of 2644	2732	rundll32.exe	AcroRd32.exe
PID 2732 wrote to memory of 2644	2732	rundll32.exe	AcroRd32.exe
PID 2732 wrote to memory of 2644	2732	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\xash.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:824

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\xash.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2732

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\xash.pdb"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
9d86cadfca3c2843fda39d0958699af9

SHA1
c62323bd962e0c8f018eed238b71a96e90a01d8e

SHA256
51fb0fd0d194ecdf8d723bb82a769d16031dd6ee2a7e357e16cc402ab39c7ff2

SHA512
982cf88c37351ff191a2a472f2a052de6280270c81195b062e568f43468217724c6513e82f98b0b10e396db8fba6cd8f9cae72f7526c8bf6414c914c794846de

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