b7f2ab5eb7881baa91f5bc72ade2544cedfec11c6a9d74b8ed64c9cd59065268

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/02/2025, 12:52

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General

Target

Boostrapper/Web.UI.View/af.pak
Size

327KB
MD5

c9312ff081e600e5fb4483b46ddd7c23
SHA1

1ff05a6a06cc73caf2d7545a3821d90c228ac0af
SHA256

b1987cdcbb8d76598422aa1739a246ed6690dc1b211f950fcbf2f040491ed7a8
SHA512

20c136b44770aa0e06259687656675a3e14310ea4e8ba214726b216bc1bcad6026267bf0132cbca642c0b5c49293386d0a1bd93ba40e1c33b648ae70416e8898
SSDEEP

6144:ZP+kgc+kVWlEvC9Z5D49Em7kLjB6oAYxjYgDbwxesB+xSK1IA3y25tHwDwv22iGe:ZPfclEvC2im4LjB6oAYxjYgDbwAVSK16

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-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2820	2228	cmd.exe	32
PID 2228 wrote to memory of 2820	2228	cmd.exe	32
PID 2228 wrote to memory of 2820	2228	cmd.exe	32
PID 2820 wrote to memory of 2748	2820	rundll32.exe	33
PID 2820 wrote to memory of 2748	2820	rundll32.exe	33
PID 2820 wrote to memory of 2748	2820	rundll32.exe	33
PID 2820 wrote to memory of 2748	2820	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Boostrapper\Web.UI.View\af.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Boostrapper\Web.UI.View\af.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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\Boostrapper\Web.UI.View\af.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

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
503ca58ef792f3e754609ba673119618

SHA1
e6964f5bc31bbd38c90976d76d2cb24b4e99ad32

SHA256
aeb767ff138762e17bd2cf9e4fa027be93a45f7731bd4b990289598a7752ae32

SHA512
e2d2f9737c9cf69596f29df4dfc81c80e0b37381b04664ad0dc77a7997127b4c3b2d0654bb5a7e40eb5eeb0120f9df7e3548d3c2e12ae93ca49e5e8e5a4f16a3

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