63b0a15d6e92441701d15f76576a8f93065d1ed8f40672dce8dfde7fc788ab12

Analysis

max time kernel
229s
max time network
155s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
25-08-2023 22:03

Target

os.pyc
Size

27KB
MD5

d845a1698a5e4a9a3992ca514b924a52
SHA1

daef45b912f6ebc4d7d6d2d1ed7234b1f7769954
SHA256

ec16d78fff77115582630db2aa0167617e5e490785f634172e9570f014322f3c
SHA512

5a8ba0a5c0b45812b35d3546b5c3fbc48b445aee32089417e261d3ddfea508d3df7b3536c11d662d6993a6fb09de4d234b1b1896a810da0d2d60cfc1edb9942b
SSDEEP

768:BCa184aJH8ys0lG5ufiMq+7KTLrLjL1LDL3LnLnLcyW0t:oaeJH8ysAiMq+7K1Nt

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_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-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2868 AcroRd32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

2868 AcroRd32.exe
2868 AcroRd32.exe
2868 AcroRd32.exe

pid	process
2868	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2068 wrote to memory of 2852	2068	cmd.exe	rundll32.exe
PID 2068 wrote to memory of 2852	2068	cmd.exe	rundll32.exe
PID 2068 wrote to memory of 2852	2068	cmd.exe	rundll32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	AcroRd32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	AcroRd32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	AcroRd32.exe
PID 2852 wrote to memory of 2868	2852	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\os.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\os.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2852
- - 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\os.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2868

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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

Filesize
3KB

MD5
14f43fc9c2c27501fab632293495f794

SHA1
388ab074be8402abe6ef5e99b488f75a00e31a5c

SHA256
eddca541bc400934f0b13e3a29862ba3b087dc15c87f810c044e94bf0e23a8fa

SHA512
4601601fc74be7369bf1694d2eca1c83b536ad10b482afcff6be0ce8272699630df15e6a6aee7c3a39edce2ffb18a277d98fead6c51373b15a560010c203455c

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