2cb8c7061773b62038fc601d72d770c384062963f729ad4ca717ce3ce7c15555

Analysis

max time kernel
118s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 18:12

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General

Target

Oblivity/steamapps/appmanifest_1389990.acf
Size

718B
MD5

e914331a9865679a3099a1260a8235ed
SHA1

7a20b9274c41cef615aadb87d58a77561102518a
SHA256

fc0dbfa55afde4cd391a7513d25c183f7b0b1de136677677a4ff00709a9dd07d
SHA512

f48610257df94d7102eb7bb3f2bdf20a7028c04109ba8d731e62652bf40c5bbf6bef1d52fb8348319465b68cc1dbce87ecfff3e58bf487960062ae8c7c675596

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-1-5-21-312935884-697965778-3955649944-1000_CLASSES\acf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.acf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.acf\ = "acf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\acf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\acf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\acf_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\acf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\acf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 688	2988	cmd.exe	32
PID 2988 wrote to memory of 688	2988	cmd.exe	32
PID 2988 wrote to memory of 688	2988	cmd.exe	32
PID 688 wrote to memory of 2804	688	rundll32.exe	33
PID 688 wrote to memory of 2804	688	rundll32.exe	33
PID 688 wrote to memory of 2804	688	rundll32.exe	33
PID 688 wrote to memory of 2804	688	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Oblivity\steamapps\appmanifest_1389990.acf
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Oblivity\steamapps\appmanifest_1389990.acf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:688
- - 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\Oblivity\steamapps\appmanifest_1389990.acf"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2804

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
f399874044bb031599e788bd64aa084c

SHA1
b32d726ba6f21d2be44de160e756645c79d8e314

SHA256
20637803a9021b4fe795bcf78f518b0003e924e982c4598f28d6d6cdcf61afd0

SHA512
1a844774a68223070fe4c636793d575ff543d1c89d8465beaa88326d22086ab6ecd09cd33e32fac628b0a47c352a25b347481b9a4143e790b6b48c50597cab84

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