5fb1567d2cbbaf1df7c4ec782f8c9b1a0e1a171bdb6f814f3b3089dab7a03bf4

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/03/2025, 22:29

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General

Target

test/script.a3x
Size

585KB
MD5

19c3cd08cdf0b443297669fd94288fb5
SHA1

89e2519e2a0ff144f99e0f5d7a7419898e36ba77
SHA256

020740d11c15f7b3b5bbc2eef7e7237c91207089c06573fded479d03ab7f5092
SHA512

dc4e0b5fc15d5ce65d80792daffd2a8617b3079fd1a7877ca6e3c17cceb518972702b135524c076dd791d032e2f8247632cc43c4d0da296d12e0c38d1b439cc3
SSDEEP

12288:6cCgZn/cCgZnbWwyQNqi7KwjFfk4RpNBJ7djjWH2y0uc:6cDZn/cDZni5W7KwjiejWjc

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 796	2100	cmd.exe	31
PID 2100 wrote to memory of 796	2100	cmd.exe	31
PID 2100 wrote to memory of 796	2100	cmd.exe	31
PID 796 wrote to memory of 2832	796	rundll32.exe	33
PID 796 wrote to memory of 2832	796	rundll32.exe	33
PID 796 wrote to memory of 2832	796	rundll32.exe	33
PID 796 wrote to memory of 2832	796	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\test\script.a3x
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\test\script.a3x
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:796
- - 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\test\script.a3x"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2832

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
a209f74f85282db433fba39c3a96f3fd

SHA1
5a9a422fa280bc8b3270f3bd9e16d52e3877291c

SHA256
8851e8301fcc0eaf7bd2b47513ab7bbf8cf7231f94f8e16ad650cbfde6051aa3

SHA512
5fe719cdc606472b31164dd38a0bb34027610aff83a4594d9d516d5bacabf2b152cfa8a60ea49abcbf38ee9ce89176ba52c3605f0a8ffa64ab863ca73d20171d

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