baaf8097ae1834ddba27342d6a0bab8ad25f758962c09fb56828f0989c1f22b5

Resubmissions

27/08/2024, 09:32

240827-lh5a6stgmd 10

27/08/2024, 08:59

240827-kx7t6ssgmh 10

27/08/2024, 08:56

240827-kv5l2asfnc 10

Analysis

max time kernel
1558s
max time network
1559s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27/08/2024, 09:32

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General

Target

source_prepared.pyc
Size

65KB
MD5

b37f4a0d6796acbd8a45596cd219e6b1
SHA1

2f3c61f0727a4ec45a47e19b44543cc5440ee7c3
SHA256

5229e02cf30d60cd2e6024cde70bc69b4f5288bab15b149866296350a2a37f26
SHA512

c90026241644684b1ae66a3c8374d2b6675c75492cc096e2acf858e8cb061e920b1754770d0cf871fdcee6175bee069f4171ed5c9d21273d4e4d44e267e109dd
SSDEEP

1536:IaDgVgJPkBBj1uYCFjUIOihdBsoGwjRQ53:Hg2FkBkFwIOCsoD0

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_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-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2120	AcroRd32.exe
2120	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2492	2548	cmd.exe	31
PID 2548 wrote to memory of 2492	2548	cmd.exe	31
PID 2548 wrote to memory of 2492	2548	cmd.exe	31
PID 2492 wrote to memory of 2120	2492	rundll32.exe	33
PID 2492 wrote to memory of 2120	2492	rundll32.exe	33
PID 2492 wrote to memory of 2120	2492	rundll32.exe	33
PID 2492 wrote to memory of 2120	2492	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2492
- - 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\source_prepared.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
a5ab6bb73aeb7e8dcba556e02f6494d2

SHA1
2ee2491d878267ee998efa7d65a9ef4170961e67

SHA256
81b707063e71df03a0fced0b811bd4059d0ac9504248c9d7a6c4eb1a5bffc43d

SHA512
905812681ffcb60ec97a118f933e81be9ff20fe4494a3b8d15de592e98f84b032590d76a791e92c9cce811f35dcf850244702d088fc404396b448e9b1220bf64

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