76c0fea917bcfdec6d57d1f4efc89dea7eadc6f2d02cfd0c3bef0f68284b1c7d

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 15:33

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General

Target

me/vagdedes/spartan/a/a/a/b/b.class
Size

5KB
MD5

975bade3b7238d952f4f7d77dea56692
SHA1

e759a96739e1dcb03d1ea11814e53c032d028a6e
SHA256

e00043bea41012833159035e16a99bfd6cc5f0eb72c22a1d482c7e218a26f7c7
SHA512

fd7b2e54302cd756f5e9226e8f889f24c45b48ce3916796238cafc18489b53ecf4900427c8a136d73c981ebb697a57917ef8db35838a6a9517ba7d34b6a76773
SSDEEP

96:XR6KzLqe8WGNi5RdD86TUUlUYTvT6q0FjdxTheTe+9kw:XwKzLk/i5RJ82DlUYTvT2drBw

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_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-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.class	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\class_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2888	AcroRd32.exe
2888	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 528	1464	cmd.exe	31
PID 1464 wrote to memory of 528	1464	cmd.exe	31
PID 1464 wrote to memory of 528	1464	cmd.exe	31
PID 528 wrote to memory of 2888	528	rundll32.exe	33
PID 528 wrote to memory of 2888	528	rundll32.exe	33
PID 528 wrote to memory of 2888	528	rundll32.exe	33
PID 528 wrote to memory of 2888	528	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\me\vagdedes\spartan\a\a\a\b\b.class
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\me\vagdedes\spartan\a\a\a\b\b.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:528
- - 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\me\vagdedes\spartan\a\a\a\b\b.class"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2888

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
cbd5fd9648858580a4fc015154a7c300

SHA1
ef90db3f73888bd46f49a327deb5dad400dc5a6f

SHA256
570321fb05dcc8003074b521c89303dc4799fa2f5e00ef46a1488de933ef6069

SHA512
92618a773748cb555c5f85901336d343bedee80c10e3a1b8109601974b3eb45e843b9f3cb195d87d2542a0b84ba023bf34610e998d81580b168dc6fb8bb6db2e

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