4a08a6514a9bb199cae62c8a6ad799f064c3ed0c933c01eeafa59023b24aa56d

Resubmissions

11-08-2024 12:15

240811-pfbgvstblg 7

Analysis

max time kernel
34s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-01-2024 08:18

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General

Target

SMM_WE/data.win
Size

56.2MB
MD5

a0e17999c86a2a56d9771f5ddfbfcb33
SHA1

3a068e1901e708fa48baf72c14b92b418d81df8c
SHA256

5688bd7b0b1f2d584d40e4e70a9c678d3e617ba78454f0d1df93ce8c8b13eed6
SHA512

24142bd50d14b9f6172509b6c65055ad265471cf96b55a8d5ab782b448ae9b4c8380bad2e0ad6bf3ff38781ebb2b1d4a52a5dd0c0bd26e4561919dbffc5d61d7
SSDEEP

1572864:XSqavhLr1JDjzl9+e4zHcTv28zUDkM/gKgSBhW:XSqaJrrjP+AyoMIIjW

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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\win_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\win_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\win_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.win\ = "win_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\win_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\win_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\win_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.win	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2628	2744	cmd.exe	32
PID 2744 wrote to memory of 2628	2744	cmd.exe	32
PID 2744 wrote to memory of 2628	2744	cmd.exe	32
PID 2628 wrote to memory of 2592	2628	rundll32.exe	33
PID 2628 wrote to memory of 2592	2628	rundll32.exe	33
PID 2628 wrote to memory of 2592	2628	rundll32.exe	33
PID 2628 wrote to memory of 2592	2628	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SMM_WE\data.win
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SMM_WE\data.win
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2628
- - 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\SMM_WE\data.win"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2592

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
0ba471d026cff5de95db8d9ac1485c1f

SHA1
08dab4671a8a03ba627b63026c783ef048aaa260

SHA256
746c142c941b6314e01e0d02649c6a000887d1ed3ed95c63079639478942d314

SHA512
afe60df3069116a2fa65740dd764272c857d88c787d2e7f9a5506b5ac37e35bcf1df2b67671d80da79820b8f47eced21857fd80023b500a2e6b2e28d8597c960

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