725d2aaaf1c6f202f7022562beb2fcf9394f3672791ff024ead561cea52b8764

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 04:20

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General

Target

hit.pyc
Size

39KB
MD5

ac1255f08377c1f99ae8ad3aa11cc125
SHA1

ce753f5e9901974ff12f93d2d1e15a2e8b4fe4ce
SHA256

a8de917bafd139eef00f547143494870955d602bf29c9e22420b81aab07548a6
SHA512

19780f4d3f5761ddc038fc2a68a623d2be82f7ba5fb3f173871a3bdea5bf91e06332411564e63058018b93277a40c8e91c327ed46fba92839b90d791c0fd0eaa
SSDEEP

768:X1cOh3bNIIq/chxAb5vl7mFkR9XXZA5NhgZ5S3:XxrNEETA7mwC5Nh+I3

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	AcroRd32.exe
2488	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2612	1904	cmd.exe	29
PID 1904 wrote to memory of 2612	1904	cmd.exe	29
PID 1904 wrote to memory of 2612	1904	cmd.exe	29
PID 2612 wrote to memory of 2488	2612	rundll32.exe	30
PID 2612 wrote to memory of 2488	2612	rundll32.exe	30
PID 2612 wrote to memory of 2488	2612	rundll32.exe	30
PID 2612 wrote to memory of 2488	2612	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\hit.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\hit.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2612
- - 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\hit.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2488

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
fae83a1f11835b33898fa0b30cd94146

SHA1
daf4f00d1cbd5ac8d4f07a8494b2aeaffb8f1e56

SHA256
131f93851e8448033dc4b47b6ddf3c9076e5b9fd54481e4264d285a35c4d91b8

SHA512
2bd9436a2ea0bb1cf7a9814bdee83a8aeb4871a551f0af2c73358c9884c4706bb3711f174b1f4e4300cb4e32a70f8017b190b7d3097a5c717674ca1cbcaa6480

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