4d5e9a81aaec53df6bcade23ae5638527224affdfa165c72fe16299131bb1450

Analysis

max time kernel
121s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 11:36

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General

Target

SilverBullet.1.4.1.Pro/SilverBullet 1.4.1 [Pro]/lib/email/charset.py
Size

17KB
MD5

d2fbcd65150d8f7795d7055ca56de63a
SHA1

37c0d86460b2f64cb0fc953715d5c3690ca12f47
SHA256

6148755b619676ca4be62c5962b4a2272705eda400a47a227635983b34252f2b
SHA512

d734a2f28c13a3cd63117e5e68a601249c296d629cfc8008e08369f794becb467de6e0963285707ce7d37a86422d7d41345b6ad2a83ba90db2b66048e62ea48d
SSDEEP

384:yfqpEKcNLIGW8M5omAnSjblUbzsn9uokJ:ygERrC5RlWsn9uokJ

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
2756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	AcroRd32.exe
2756	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2748	2684	cmd.exe	32
PID 2684 wrote to memory of 2748	2684	cmd.exe	32
PID 2684 wrote to memory of 2748	2684	cmd.exe	32
PID 2748 wrote to memory of 2756	2748	rundll32.exe	33
PID 2748 wrote to memory of 2756	2748	rundll32.exe	33
PID 2748 wrote to memory of 2756	2748	rundll32.exe	33
PID 2748 wrote to memory of 2756	2748	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\SilverBullet.1.4.1.Pro\SilverBullet 1.4.1 [Pro]\lib\email\charset.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SilverBullet.1.4.1.Pro\SilverBullet 1.4.1 [Pro]\lib\email\charset.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2748
- - 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\SilverBullet.1.4.1.Pro\SilverBullet 1.4.1 [Pro]\lib\email\charset.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2756

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
202fafeee72d1a49db4e816152835b1e

SHA1
8248902757528e13487c0dd956ad80fc6b8efe6e

SHA256
f28b867aaa479544b15ce5370d67d3982b3fee4d2e207097f90b91d619bbefc2

SHA512
abed96090897711823db69fb0ebb685a0a46942a641edf6c982f403c2df73b13a50888f5844b96bd47fb25821e2e9a7286a6b31dcadb63fbc989d570fff5d695

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