2154465d11bf588bb26d36d260098bdbfe64cf5391ff71f879b1fa34e33903a2

Analysis

max time kernel
47s
max time network
16s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 14:44

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General

Target

structura.pyc
Size

19KB
MD5

f3cc68aa069fea307fbf699548148008
SHA1

cc0dcf0bbbca6a7cbef64249b8f697de57e9990a
SHA256

44e7d48509526d4d7afc23cbd02b9dd4b6b6395241ece5bf6cdc1eea82f9835f
SHA512

c97d31595b8d7eb00a2ffc1928d850e06e06b6afa902f8f07a5ca31b9e23ba5dbea9927f2218868f279fc6c791c8a3632826c9ff0b568c118c9b493bc5755d55
SSDEEP

192:14/8ycXU766mnsmImNx6P+jej8rEewjejkl1TDX8LtrFbziD9evdymLqpXdXfLt:14FcW0nHbbVQDX2rFbziJosmLSNPLt

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2184	AcroRd32.exe
2184	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2800	1976	cmd.exe	29
PID 1976 wrote to memory of 2800	1976	cmd.exe	29
PID 1976 wrote to memory of 2800	1976	cmd.exe	29
PID 2800 wrote to memory of 2184	2800	rundll32.exe	30
PID 2800 wrote to memory of 2184	2800	rundll32.exe	30
PID 2800 wrote to memory of 2184	2800	rundll32.exe	30
PID 2800 wrote to memory of 2184	2800	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\structura.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\structura.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2800
- - 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\structura.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
890475ff04dda89ae9b2b6a9ae5a6244

SHA1
d9dc97eb686b8e888d467575e238aa7f76ebc857

SHA256
fbf34f13162513c17eff3ac5398294b6dc607f8ad243079a86630abb4211ec57

SHA512
39438ad4bf112feac3126effd0556a38e5c5bbb55894e7d01ed4cff22368de3f2d71008d0aeef414f32c8dce6fb2bac3f3f14fe2b37f2d85f2d918b586b8623a

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