3fde84a46aea58ba4ddb5fb0473fc756ff209ba96b1a63a2759d13b8adc01a69

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-02-2024 08:14

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General

Target

ftpcrack.pyc
Size

32KB
MD5

1e0549b7106e9085964955099e5efd56
SHA1

03b04da2206eb8b101d886a61c0919973e4edd14
SHA256

c6b61e1c3eea026b3891661cf1e947bf55bdcc351058dbac36df92c0f541fd2a
SHA512

8ff93bc7b31fd7c577acb5300c9f3801b36cb28aa4179bc1af5e5feb17e9a0eb8fd28e005747409611872eca6f282ead9f738dda0934085844aa61d991a0c953
SSDEEP

768:tV24RMymk8c+Tga2TgRt1dlbI06UGxLPi2QvYHMTsFocaLbReaDjuP:tV249mPzg9TgpdlbI0OFPrQvYsgFocaE

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-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_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-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2716 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2716 AcroRd32.exe
2716 AcroRd32.exe

pid	process
2716	AcroRd32.exe

pid	process
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2092 wrote to memory of 1392	2092	cmd.exe	rundll32.exe
PID 2092 wrote to memory of 1392	2092	cmd.exe	rundll32.exe
PID 2092 wrote to memory of 1392	2092	cmd.exe	rundll32.exe
PID 1392 wrote to memory of 2716	1392	rundll32.exe	AcroRd32.exe
PID 1392 wrote to memory of 2716	1392	rundll32.exe	AcroRd32.exe
PID 1392 wrote to memory of 2716	1392	rundll32.exe	AcroRd32.exe
PID 1392 wrote to memory of 2716	1392	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ftpcrack.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2092

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ftpcrack.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1392

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\ftpcrack.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2716

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
a4125e0c53aaa22fed06cc286d8c16c2

SHA1
b33705f2282ccda57fa85ab709cfa9fca1828de7

SHA256
77894b9e17d95df0576d7742968a6060f0e708c99cfa8f7de712bc214c041e8d

SHA512
0798b2c30017cc38239b6b75442c6e6546295130346323ec3de40833c59f6239b9b03d23b5bd9fa11e36c64a1d1e0eaaa53abd32858f2048f00b79ce8b8915ea

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