7625087fb31f735d1570fd75dc299ed7bcaa7d7abb20304a1c54a201b327695a

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 13:13

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General

Target

sender.pyc
Size

209KB
MD5

de4377da7ee52ca0d3b6cd153fdf8eec
SHA1

21c8bbc4aae2619f21db7b3c613af9e65b94495b
SHA256

c8e724183ae53e855e3ba803b871f6d1748cfef6ab07f25ecf499c174cc6b684
SHA512

6700475b9e54555540b76b83fa5564a69e5dd0faf771f5574e6ef8e4b34334e88f4a3e406a882aa7190d80ba4ee60246e812bdb599ae3a7cf357fee9ffb30b85
SSDEEP

6144:Cysg4eUtO6MVBZ6J2+gpYHuSHbG3xcXzNw:Cysg4TtO6CC2JYOSHbGB4w

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

Processes:

AcroRd32.exe

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

Modifies registry class 1 IoCs

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 524 wrote to memory of 2760	524	cmd.exe	32
PID 524 wrote to memory of 2760	524	cmd.exe	32
PID 524 wrote to memory of 2760	524	cmd.exe	32
PID 2760 wrote to memory of 2744	2760	rundll32.exe	33
PID 2760 wrote to memory of 2744	2760	rundll32.exe	33
PID 2760 wrote to memory of 2744	2760	rundll32.exe	33
PID 2760 wrote to memory of 2744	2760	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sender.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:524
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sender.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2760
- - 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\sender.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

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
903e6a5d27f531bdf0c47dbbc6b36e7c

SHA1
b1d08f66b71cfa0b06eff9ee455995866bc19d41

SHA256
d6b6e7ec6ebbacdf7478cfdd62370e816e3eba087ad176393c176db27e11425d

SHA512
c0ed067b9b74a178e5144f9d2c13b758fce281977999a799d616c729e184b922aa1582f6edbee256ee6b220c049f7ec307300b27b85f02232d68dc1eeff5fc00

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