4054597a56dc5867ec53af1767416a5336e09423ecd101d8ee52aaad8a3547c6

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 19:43

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General

Target

org/spongepowered/asm/lib/signature/SignatureWriter.class
Size

2KB
MD5

ef5c41f3cad7a4933460f2c69373813b
SHA1

85627b99273845bc402c297eb70ce756b36ed46c
SHA256

d26fdb52fe33834570eb6298eb90661aa58422fc96862a5d49a65d688027876d
SHA512

51bc9eb24fdac83fa0d1fcd88849f4df41073f7b3dada09e378ee1f48fe4792d92025f4695f07748e3a19d67d1272218df3a04be548fffcbb3a4ad0993cb5712

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.class	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2928	1632	cmd.exe	31
PID 1632 wrote to memory of 2928	1632	cmd.exe	31
PID 1632 wrote to memory of 2928	1632	cmd.exe	31
PID 2928 wrote to memory of 2836	2928	rundll32.exe	32
PID 2928 wrote to memory of 2836	2928	rundll32.exe	32
PID 2928 wrote to memory of 2836	2928	rundll32.exe	32
PID 2928 wrote to memory of 2836	2928	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\org\spongepowered\asm\lib\signature\SignatureWriter.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\org\spongepowered\asm\lib\signature\SignatureWriter.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2928
- - 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\org\spongepowered\asm\lib\signature\SignatureWriter.class"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
1cbd453eab361aaaf517dca0ac274617

SHA1
3a6d5cae3c446253277c0b65184284b284d81fff

SHA256
728f2aca5845a24e6743d103b1195863079b3ef6084f5139524a2cf8a4d4f510

SHA512
62283a703f55ba6aa1c765d870aea6bd83dd395ed9eebef43cc6eba0e2f64a58e56004eb384180bb06f1fc289dfda390a161186fce7cb39dcf5a8019c2e1f0cd

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