83ba4e290da54c23797a42fb6d97b9381a067134c8a19267071182ab8595473d

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 21:15

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General

Target

Whosome.sag
Size

154KB
MD5

bdc5e1bbf2a7a973e9cc850f592d1869
SHA1

2784dd320b5d32ca6e7d1575657bef7eab5a1c13
SHA256

68697bfb7295167b6af1227c40772ae6faf0e7be30c996e5e7818c100a935a2c
SHA512

14aef34ba5efac4d84cca8b20ae5998caef4c701e1479799f09f322701127cca229d22f2a95b61c9fec7e410026cb820f9d5a0b612f42c0df9e5fe27046e2e66
SSDEEP

768:8+5KsoZIYCzprf32gkY3rucPMsNWDKk+Zu6cXOIKP8yYpVLYKAbi1iUD:6mDJNB

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-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.sag\ = "sag_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\sag_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\sag_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\sag_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\sag_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.sag	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\sag_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\sag_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2312	AcroRd32.exe
2312	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 1728	2960	cmd.exe	29
PID 2960 wrote to memory of 1728	2960	cmd.exe	29
PID 2960 wrote to memory of 1728	2960	cmd.exe	29
PID 1728 wrote to memory of 2312	1728	rundll32.exe	30
PID 1728 wrote to memory of 2312	1728	rundll32.exe	30
PID 1728 wrote to memory of 2312	1728	rundll32.exe	30
PID 1728 wrote to memory of 2312	1728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Whosome.sag
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Whosome.sag
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1728
- - 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\Whosome.sag"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2312

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
f6272e2b475d8d17c919ebcc114ee55a

SHA1
01b62c159f85bb9ef331cdaed2e7037ba8c3d81d

SHA256
3dcf9fb232c92c9e8b651014e49bce6b44563324d2be969194ad36f0d95837a1

SHA512
ecedec70cdd249d604bdeffcc6115dacf2bab9a72ead6c9a7117bd8fc83d5eb6ba3872e622b94273a257f876c53d365a2ef4cef3c24d6728619b6d05a84d5f20

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