6287c1d00f8e1777bd47c273c7dea2438321a5147aa0b9d722a8671718701cc0

Analysis

max time kernel
123s
max time network
72s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 22:24

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General

Target

IDA/til/ppc/ppceldk.til
Size

308KB
MD5

cec93b530c5c18714494f12c3a3aa50b
SHA1

1c895231beddd31a059fc267d81fbb886cbe32ba
SHA256

f13750ff332d88d617936ec4477303a4d5c73d525ecbcdb0b86941546f7a1afb
SHA512

4dcf325c0e840b705303195112e4f67cb65d124742986398ee31ad7051a8d0ce4a4aff04e05f9eedf4e8e17a0f458665f94c8ee6d65ff8330c88fdbb644c7b21
SSDEEP

6144:QHgwxrvS0tkElbCLAyZYWzgjiahSXHousFqJsHB7WKKHHAaE+wUyKKy:QttahA4BaoXIusFncKORdyy

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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\til_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\til_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.til	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\til_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\til_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\til_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.til\ = "til_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\til_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2668	2604	cmd.exe	29
PID 2604 wrote to memory of 2668	2604	cmd.exe	29
PID 2604 wrote to memory of 2668	2604	cmd.exe	29
PID 2668 wrote to memory of 2560	2668	rundll32.exe	30
PID 2668 wrote to memory of 2560	2668	rundll32.exe	30
PID 2668 wrote to memory of 2560	2668	rundll32.exe	30
PID 2668 wrote to memory of 2560	2668	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\IDA\til\ppc\ppceldk.til
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\IDA\til\ppc\ppceldk.til
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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\IDA\til\ppc\ppceldk.til"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2560

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
6651dbfc4575cd985f42efd20b85376a

SHA1
4bbba45cda2fd65ac4ea47e1af4ba67c390559d0

SHA256
428a3eddacd187f7db4e76c41fe77afe2ab09d5c4a43493b7f67e12aec97af18

SHA512
5213e160d3938af26f92ce308a8ab5dc7d57c89a09a5354743df31b1aa0392860336fecfefce5c990b1bd89cefed0ee60dc5c05f85f83613ee6d97644e9eb769

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