2c3a2b9bf44cabeac520d4b22e37e0e7059f325b0c2cabc23242fe6559bf0e96

Analysis

max time kernel
120s
max time network
128s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 14:40

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General

Target

lib/xml/sax/xmlreader.pyc
Size

16KB
MD5

a486680de3d9534fcfbe1ef11bb3e0bb
SHA1

e4da058156aa83bc525682267d60338bb2b4e59b
SHA256

355d85e68f7fd3f831ad6a385a3cbe74fb2b13534e019401de3b267c9aac11b3
SHA512

6f4c11b21a3b294cdc9e38e1b725c607a0fd4999a70b88968da7d67c02b27794a8b2ac5bf0700dd9d8c5d291a73f03699d0dcf785ef0039c7726eb32fb53dbe6
SSDEEP

192:so+xKhafpUsBNCFAX3spf11rxLx9rlumglo9N5MIn2eu7iOjF6Z:soDkI1rxLy62eu+UF6Z

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
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2840 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2840 AcroRd32.exe
2840 AcroRd32.exe

pid	process
2840	AcroRd32.exe

pid	process
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1988 wrote to memory of 2640	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 2640	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 2640	1988	cmd.exe	rundll32.exe
PID 2640 wrote to memory of 2840	2640	rundll32.exe	AcroRd32.exe
PID 2640 wrote to memory of 2840	2640	rundll32.exe	AcroRd32.exe
PID 2640 wrote to memory of 2840	2640	rundll32.exe	AcroRd32.exe
PID 2640 wrote to memory of 2840	2640	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lib\xml\sax\xmlreader.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lib\xml\sax\xmlreader.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2640

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\lib\xml\sax\xmlreader.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2840

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
f2a70d7afcdc219979f5d0e113b8b34e

SHA1
084103cd1fda8bfce34314c144894086059dba48

SHA256
60a66ce5a345ccdc66145d6fb46e87a152f108bf068bf5b84de6cd2cb659e6a8

SHA512
bc8e86dd4ae763ee59aaa167f61c5e62d75b18a3cd5b4c162dc5ca970a4030906c0abd89a50d563ebfb80d635e755e78da6e989c4ec2c90d3570fbef4773ccf8

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