9ed5767db68fb669b3f18a0565cae471ee3800b94a187c4512e5a6691797c511

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27-11-2024 20:39

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27-11-2024 20:33

25-11-2024 22:14

25-11-2024 20:57

28-09-2024 18:21

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 18:21

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General

Target

browserres/cef_100_percent.pak
Size

200KB
MD5

51cd116911e8e3c2e5c0367b887f2417
SHA1

56e54592b9a2a8623d1f3b2cd1d6ea3ef61545b3
SHA256

3b83236664a5fe0aaf4ef723f636c844ef60cf1f33eca92927503ed4f7c1f115
SHA512

ce3263846cfc0b863a6026a581f865f49bf1a4e169c0e2ac0d1833b8bc41450240198ccbc637f9d67618a1d71bbfee252745ebf2fda51159625e4a2aef1cdf0f
SSDEEP

6144:5IYS+zaSR3aW2rxzw95TUhx5c1YC7x10fS7/:5Ic32cUhgf1dL

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2212	AcroRd32.exe
2212	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2088	3052	cmd.exe	29
PID 3052 wrote to memory of 2088	3052	cmd.exe	29
PID 3052 wrote to memory of 2088	3052	cmd.exe	29
PID 2088 wrote to memory of 2212	2088	rundll32.exe	32
PID 2088 wrote to memory of 2212	2088	rundll32.exe	32
PID 2088 wrote to memory of 2212	2088	rundll32.exe	32
PID 2088 wrote to memory of 2212	2088	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\browserres\cef_100_percent.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\browserres\cef_100_percent.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2088
- - 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\browserres\cef_100_percent.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2212

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
c60a5ded5e2ea073df1a99be856d449e

SHA1
f7eb068d4014a964abd8d8523c59dc502a0a813c

SHA256
efc1e3b46bf38d2dc6d85bfbe0bef24e12a8cb9bdd33c592bc9a6608172e70f4

SHA512
69ec42f12c2a93808324802a9c5922a113e136db4c25456b6571fd351f0790be2b2a4358dd062e4da1a1ed6b864ee2891268a8f17a306218ca5fddae1c229791

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