44ee695b532eb984e46de29569ce35854b37d409efaabb6bcf9f5316e2b0546d

Resubmissions

18-04-2024 18:50

240418-xha8wabh29 10

01-01-2024 15:12

240101-slnwxsfeh4 10

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-01-2024 15:12

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General

Target

kf12.pyc
Size

21KB
MD5

fec35c2b1a1da26cff18b89c0a687b4d
SHA1

32444072a2558f1e11964ad40974dbb9d0369d69
SHA256

7d8be3ab49fc7b8eb2c762a702d1b0c4702f02d62f534631c5e4258f64f88130
SHA512

f4d812ab23b285ff17686cc03e15bdb348b1eefe89848a1b24dc5d63715fbe82f9f8f2cf83037baa113b94526f97161644484ef4a68cbd43010b016b440aade8
SSDEEP

384:KXGa/jX2Fu1fC1t8jUG3keIkfkRkBk6k6k6keke4kzkNkZk6k6k6kekrkzkNklkQ:K2a/jX1fWeTMueFFFJeDAKmFFFJIAKSQ

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

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2720 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2720 AcroRd32.exe
2720 AcroRd32.exe

pid	process
2720	AcroRd32.exe

pid	process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1752 wrote to memory of 2540	1752	cmd.exe	rundll32.exe
PID 1752 wrote to memory of 2540	1752	cmd.exe	rundll32.exe
PID 1752 wrote to memory of 2540	1752	cmd.exe	rundll32.exe
PID 2540 wrote to memory of 2720	2540	rundll32.exe	AcroRd32.exe
PID 2540 wrote to memory of 2720	2540	rundll32.exe	AcroRd32.exe
PID 2540 wrote to memory of 2720	2540	rundll32.exe	AcroRd32.exe
PID 2540 wrote to memory of 2720	2540	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\kf12.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\kf12.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2540

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\kf12.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2720

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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