e5c886d22e144bd4c7001e8e8cebe4aba9b64433bbccab042950c1683e287a58

Resubmissions

21/09/2024, 16:04

240921-th7eja1bnh 10

21/09/2024, 12:33

240921-prnlkasfpm 10

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 12:33

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General

Target

source_prepared.pyc
Size

172KB
MD5

f7fff08b649272a9658ceb91d25b2a7d
SHA1

e51bfea4aa7533e828ff7d0a85c78390e84e17b4
SHA256

7f198aa6070dbf5c03ca1969757ed40476a1c91d181985d2447ada3054bc28da
SHA512

9948169a23d105a22aa64591de8c5e274315793d42045cf27dfb2cdcdfd786357500e6e8bcc860c70cd3c0c87d4497c8309254a017fadfa6a2e1f1ae9a8dd1e3
SSDEEP

3072:CrRH2C0aOO/2A1w17roxPZTerUScdQQV+yXIvdXzbqsTxs:CrMC0aOO/2AiroSj8Syzse

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-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1660	AcroRd32.exe
1660	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2644	1924	cmd.exe	31
PID 1924 wrote to memory of 2644	1924	cmd.exe	31
PID 1924 wrote to memory of 2644	1924	cmd.exe	31
PID 2644 wrote to memory of 1660	2644	rundll32.exe	33
PID 2644 wrote to memory of 1660	2644	rundll32.exe	33
PID 2644 wrote to memory of 1660	2644	rundll32.exe	33
PID 2644 wrote to memory of 1660	2644	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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\source_prepared.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1660

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
aa092d7763aba717335181be8a8cb017

SHA1
f1241d9ae50e4b52117acc5b74bbb2dc09f15407

SHA256
2412e438b22659924adc32dcfaccf0e3004dbd636ea1e9b733cd7b767eac51ec

SHA512
8b3a7e581e9ea684ea11b34735d51f922985ad32a4ff3920d3632f0c58aa12e19b92e2731333e4c386ec9845fc15e14a24d0ad17b85e16aa55fa67a698949e17

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