f2c929bf23928a86db5648edb3e7ff08dcc26d1fbda6de313301910235f4ad4d

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 17:17

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General

Target

downloader.pyc
Size

32KB
MD5

daff18d94a9be9bd792af150ea709ef9
SHA1

8a917b0163235ecf7b10d34cf230e9876687ff39
SHA256

be68b9966df22af603e5287c167550c38c6fa03cf6de6901c1d0253ea1d887fb
SHA512

8eb62e33ffdf1fd90f067c70ce59474dadafa9fb1166a5eb3fb935c5c1fb8368c072c18656d5d2da3cb73a408d133424b3b9d3cdd4d5918e2cf34103beeeea50
SSDEEP

768:q1vGE0L6xnlX4donrRvWyowr0oQDyKbhCsu/:qNrFDfr5QdbMsu/

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
Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

3020 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

3020 AcroRd32.exe
3020 AcroRd32.exe

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

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe

pid	process
3020	AcroRd32.exe

pid	process
3020	AcroRd32.exe
3020	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2188 wrote to memory of 2392	2188	cmd.exe	rundll32.exe
PID 2188 wrote to memory of 2392	2188	cmd.exe	rundll32.exe
PID 2188 wrote to memory of 2392	2188	cmd.exe	rundll32.exe
PID 2392 wrote to memory of 3020	2392	rundll32.exe	AcroRd32.exe
PID 2392 wrote to memory of 3020	2392	rundll32.exe	AcroRd32.exe
PID 2392 wrote to memory of 3020	2392	rundll32.exe	AcroRd32.exe
PID 2392 wrote to memory of 3020	2392	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\downloader.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\downloader.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2392

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\downloader.pyc"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3020

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
8c5ab56fb7f9ee631364fb4aeb3a1730

SHA1
1e7da48c8a3eb8ed8c68eca8dc693ddd38d0ca80

SHA256
cc9be06ec51959e3909ad0f3baa5daae892b29348c96e95c9590968d213b4a86

SHA512
cbb104f6b24544a9c6f3d055242591a94427627e5af5200b1d8055457c01c387107f396a9f5c78794c9d8e36b60932bd5fd2eebffebd1dc041d2191df07b68f2

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