e6d322c93c410af0529d346d4cea10fcc0d4871fc03f71d2362773576c3daa37

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
25-05-2024 16:09

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General

Target

source_prepared.pyc
Size

185KB
MD5

ebd8f39955197ae4ace1d06fd42b4c4c
SHA1

9610d8f9a3cf316b2df96a82b9841bd96e8e29e6
SHA256

c0f381fa5e4183912a46d1d892534bf8c39709f660d2c1aaef40fbd793977131
SHA512

29328c3ad864c4a5576bd46b4f927b6c2c664c150666b755081312e3ed527fbc459bb0966b71ea21a177d48695f15dad4bab84cdc26b6c32e5921ee26fb976e6
SSDEEP

3072:ctaLa+/4A9M/2CYolPEtelZN+tVZaftogjHBYCkn0:cEW+/ZuYol8cN+7ZaftogjHKCh

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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2800 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2800 AcroRd32.exe
2800 AcroRd32.exe

pid	process
2800	AcroRd32.exe

pid	process
2800	AcroRd32.exe
2800	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2844 wrote to memory of 2860	2844	cmd.exe	rundll32.exe
PID 2844 wrote to memory of 2860	2844	cmd.exe	rundll32.exe
PID 2844 wrote to memory of 2860	2844	cmd.exe	rundll32.exe
PID 2860 wrote to memory of 2800	2860	rundll32.exe	AcroRd32.exe
PID 2860 wrote to memory of 2800	2860	rundll32.exe	AcroRd32.exe
PID 2860 wrote to memory of 2800	2860	rundll32.exe	AcroRd32.exe
PID 2860 wrote to memory of 2800	2860	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2844

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2860

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\source_prepared.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2800

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
555c6e2eb96335a36ac03c599af17bd5

SHA1
d1ccfdd72e5f20b61bbe79d05effc73f5c3a0f67

SHA256
38c019971ac874c9e5dd9e4048a715c9dfbca3ef8f40a209c9a59267751a2d62

SHA512
1987eae30c0fc5df14f46a061b3454c9787a495dd1e3a97bb21a4426e81c6e328943a5abab1079ce01e9f4385cc823a95814ce6282d7595b168eda38fd7ab887

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