8facb9f4dab8c89f24db5de1aee42ee86d80c0423d138c9c3930e4ce314fc73d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-03-2024 03:22

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General

Target

creal.pyc
Size

32KB
MD5

2ffd8e4ea301496367a7251927e17347
SHA1

5ae74e8d31f1bad407c510a950ecee712c46fbef
SHA256

9a34df241a4cad17587489c4cbfc8dfb69b21f830600f6e4b9ca0dd8c8ac54d4
SHA512

14794d74d1fbdeca3f32d30bd0622f1592cc697202f8d3463752d7eee0c37024ab88a344a682a17cf877cc2803c654142958bb2a771005a6e96972f895124def
SSDEEP

768:L8Dnroh2VsfNEiyAuAfKFMrRtfqtvEwS7bnjerAroaHDsIAvN8YC06X:Ijrae3aKFcfDwS7fOPviYD6X

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
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2616	1968	cmd.exe	29
PID 1968 wrote to memory of 2616	1968	cmd.exe	29
PID 1968 wrote to memory of 2616	1968	cmd.exe	29
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\creal.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\creal.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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\creal.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2528

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
ecbcaa8bbc1b9944476d3279a1122ec6

SHA1
06b6fb658eaca53c9ea57266a5bd7b9a3aa1bbf6

SHA256
e8e4ed4d61095bc25b05dec85224537d712088e2efc4237d9c7e6a323873ee6b

SHA512
009dfa1cede441dbf99157bc20d837cdc436a9fbc2838d8740d141935715ef8774c70b65667953c7f6201c7ea8ba4a793b45d619b48921496c6ab654cb053532

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