07266653b14ff50a02d0be770e90e102d766cede26e92bd43eb61255c5931fca

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12-04-2024 22:19

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General

Target

Creal.pyc
Size

28KB
MD5

370838c72bfe99c475b4a67a24d2b989
SHA1

3b6373953963700a546dcc5d3d7a0e31c78ddb93
SHA256

3e9335ab8087295cf9d53b203d0003970ad18578b8bf57cbdef37840c120ea32
SHA512

27c8679b87bb181de9377514f85550e8ea1d0146bc872ec05aeca2dda91241bdbdcf9606be05170467619e568d0c6d93763ff7738ebc01d84952b32f8fa628b3
SSDEEP

768:rxbnr6B2MgyUI4AC9Vq71Qmf6AgehmSsLrrFHVFHMHCWn:1brbtvSCAgeR8HMHPn

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	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\shell\Read\command	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_auto_file	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
1208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1208	AcroRd32.exe
1208	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2600	1948	cmd.exe	29
PID 1948 wrote to memory of 2600	1948	cmd.exe	29
PID 1948 wrote to memory of 2600	1948	cmd.exe	29
PID 2600 wrote to memory of 1208	2600	rundll32.exe	30
PID 2600 wrote to memory of 1208	2600	rundll32.exe	30
PID 2600 wrote to memory of 1208	2600	rundll32.exe	30
PID 2600 wrote to memory of 1208	2600	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Creal.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- 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:2600
- - 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:1208

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
b11133fa7e63c9f1f861c5249abf8f63

SHA1
2a1cbdb8240789af3056224d4d99a659b9c72ea3

SHA256
a6ec168b79e33703f8b2b0ee931db9c65c1bd0f3f258f9f9783a713d12691ed7

SHA512
b4ac67e37fd256d888de95a72cd6764424d303df1cb2575969ce228d4b134419347f40829f74d5454d6e14e34d6ef1c9e5dba4d8514b2a2a0835346b3d71c54b

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