9d57217b740a9dba870e96db446745bc008e57a7356d6ace1f3c5c7059a22200

Resubmissions

29-08-2024 23:36

240829-3lmnzaxalh 10

29-08-2024 06:31

240829-g98epaxgjh 10

29-08-2024 06:23

240829-g5jkrszckn 10

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 23:36

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General

Target

9d57217b740a9dba870e96db446745bc008e57a7356d6ace1f3c5c7059a22200.dex
Size

4.9MB
MD5

9fed9bb00615b90f79a94e70e9aa14f9
SHA1

373338ac03ea5054a35722f1725c4ac9492e9833
SHA256

9d57217b740a9dba870e96db446745bc008e57a7356d6ace1f3c5c7059a22200
SHA512

0f27bc18978eced5e464782297fc398d12b8257ce317478fcdee7566803856fa9929f266e5c9749e0eddccb22c8e4edc90eed9e7ce53009eee040dfc763812d0
SSDEEP

49152:FwQtBaSIQG37+UMLmpSyFrqHaWIqbWJlPhjjK62pyEbPzWYqLoQEp9Z1uTMB9GPL:qQtBaSsyUnSyp8WJl9K62Clo1uAzK

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

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\dex_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\dex_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.dex\ = "dex_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\dex_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.dex	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\dex_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\dex_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\dex_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2820 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2820 AcroRd32.exe
2820 AcroRd32.exe

pid	process
2820	AcroRd32.exe

pid	process
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2692 wrote to memory of 2792	2692	cmd.exe	rundll32.exe
PID 2692 wrote to memory of 2792	2692	cmd.exe	rundll32.exe
PID 2692 wrote to memory of 2792	2692	cmd.exe	rundll32.exe
PID 2792 wrote to memory of 2820	2792	rundll32.exe	AcroRd32.exe
PID 2792 wrote to memory of 2820	2792	rundll32.exe	AcroRd32.exe
PID 2792 wrote to memory of 2820	2792	rundll32.exe	AcroRd32.exe
PID 2792 wrote to memory of 2820	2792	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\9d57217b740a9dba870e96db446745bc008e57a7356d6ace1f3c5c7059a22200.dex
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\9d57217b740a9dba870e96db446745bc008e57a7356d6ace1f3c5c7059a22200.dex
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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\9d57217b740a9dba870e96db446745bc008e57a7356d6ace1f3c5c7059a22200.dex"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2820

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
77fafdf864c11c9510250983e4d0c8d6

SHA1
c5ed6cee2696dce5c1e5f9c911db32661ae617a1

SHA256
b933678587523c9607e4b2fadcd6c5cdb38cccaba15d5c963a3b7d74e6a0a765

SHA512
fc5a5a86b61e2b55cde06e121245c374e7cf56c9c092a825bb53390cbea7ac9dd1d81a72c45c512e26345bfed7e683153784d7768d62ecd02c6bbe0d046def19

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