c91317616f579cbc70636ae994d15e9a571bfb7104038ad557002119a0655adc

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 17:27

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General

Target
passwords_grabber.pyc
Size 7KB
Sample240501-v1mnhsed43
SHA256 8655f8885fa28c9633563e0264e65206eae277fb020f85a836be27f0fc3d7ec4
MD5 bbb6ab7b8230cca0ac46532a612143d0
SHA1 4bf5ebb19c5807cfb4b48191ec65b329d67763cd
SHA512 21353818de5a2e192bcdb38e0765b675258ae733eb634c1b01fbf53dc22946b0eee127c975be7a63d20a8db2b87521fe0ed85f2ec09dcc2f3adf5a7fea0b180e
SSDEEP 192:h114qWLfhuUIxzOK2cxDJb+XUhetovxEPz:V4qWLfMtzVxDAEW7
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2664	2216	cmd.exe	29
PID 2216 wrote to memory of 2664	2216	cmd.exe	29
PID 2216 wrote to memory of 2664	2216	cmd.exe	29
PID 2664 wrote to memory of 2716	2664	rundll32.exe	30
PID 2664 wrote to memory of 2716	2664	rundll32.exe	30
PID 2664 wrote to memory of 2716	2664	rundll32.exe	30
PID 2664 wrote to memory of 2716	2664	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\passwords_grabber.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\passwords_grabber.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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\passwords_grabber.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2716

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

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 072a5732813e5c120bfa269782015e9964ef85a43b4a91612bfb1010dae58c81
MD5 b10f1f45bb46461f7888d2d66b983d38
SHA1 83a742195e5b9817a15ead58fc042d5ff7cc2c4b
SHA512 6489ced113fa3e34cc9acb7c06a64a2043743e979005e8c3134b963f3c5fea42ae4b70a9bf37e704e4cd9b799bdb6d662b4d0db900a18e95d4d823d57e19ac7d
MD5 SHA1 SHA512

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