fd480109c81d50347a7856f0f3acee3b90f71c180c0c484e9d216b2839afa343

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 15:07

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General

Target

tiger.pyc
Size

231B
MD5

b02b3b162661f18e9693fef5e788f825
SHA1

b1f27307ba572de558844a67b4f5b7aafa034d93
SHA256

c3616f31c908d60143422de5872aef9a5dfad9786a24a867778648e6d57cd060
SHA512

250f7ae76c6fdbeba020b3bf1ad8275f694263313d636afee8a038b3e6682e603ae5cf836462af4bfe12de7986d91e435d4e0428b5de910934cba77895fcbe65

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
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_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-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2704	2644	cmd.exe	29
PID 2644 wrote to memory of 2704	2644	cmd.exe	29
PID 2644 wrote to memory of 2704	2644	cmd.exe	29
PID 2704 wrote to memory of 2708	2704	rundll32.exe	30
PID 2704 wrote to memory of 2708	2704	rundll32.exe	30
PID 2704 wrote to memory of 2708	2704	rundll32.exe	30
PID 2704 wrote to memory of 2708	2704	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tiger.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tiger.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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\tiger.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2708

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

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Downloads

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

Filesize
3KB

MD5
8766b02fbd943b4f16a8d25e432a0db7

SHA1
5e7da4f5ae66c1cff4b32593fe5e98bdab4e5fb3

SHA256
73ae513802d1529c22c27177219c593ea25e9a4a8870bc8b1047b45988206153

SHA512
333645cda0dcd665929f1b365aa84e09c4423fa22254f2629914171015d3461403263a83e36dc101a271d38b8689f9382999495cf5b77ef4f3ce5f65c4e400fb

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