bee58c6ca7604c6947eae5d73e39e8573473beba276c27efc6cff6ece65e0c86

Resubmissions

08-08-2024 14:44

240808-r4fslaydjd 3

18-07-2024 07:12

240718-h1wvza1fla 10

Analysis

max time kernel
102s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08-08-2024 14:44

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General

Target

parcel_label_photo.vhdx
Size

36.0MB
MD5

48806b8dd97db25041bc3678a095dba4
SHA1

9c1a36fd5ca76390d4a102e1f5e85977d9d22b8c
SHA256

6d59388482835a122b9522752ef1c61b249ed12909258fab0aa10de69f3bf26d
SHA512

0fd66a64e816eb9ac19d9991e60e6189317fac04f00707dca6531074a48b1bfc5cfcfc76a65f2961a6ec87ee0f30a450443a94eecc3f9e8417cca95dfc8cc359
SSDEEP

6144:9rZn7y/EGuH/cpiysa2yuGncYM5YAImUaBe1Y0Pgne8cq1Gt8PbdC:1UDuH/c8ysCuGnNmUaBe1Nm1Y

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-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vhdx_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.vhdx\ = "vhdx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vhdx_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vhdx_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.vhdx	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vhdx_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vhdx_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\vhdx_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
2144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2144	AcroRd32.exe
2144	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 3048	1400	cmd.exe	30
PID 1400 wrote to memory of 3048	1400	cmd.exe	30
PID 1400 wrote to memory of 3048	1400	cmd.exe	30
PID 3048 wrote to memory of 2144	3048	rundll32.exe	31
PID 3048 wrote to memory of 2144	3048	rundll32.exe	31
PID 3048 wrote to memory of 2144	3048	rundll32.exe	31
PID 3048 wrote to memory of 2144	3048	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\parcel_label_photo.vhdx
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\parcel_label_photo.vhdx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3048
- - 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\parcel_label_photo.vhdx"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2144

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
201a993a4e79c1feab0f337b22225d1a

SHA1
cdbecbb7191378d91ee8c10efe281e579c9a35b5

SHA256
1019cf888119af122a4201a82fcc1b3ed5fc80a05ca5ddd16e02c3e0c47e689e

SHA512
3209913f55bb88cc62e0efe7c0d862c84d3cabccb5328661ae534815effd6448d1a878514a2bb213913995628218ec996786736127b575536458c80d55166cfc

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