Overview
overview
10Static
static
10SilverBull...her.js
windows7-x64
3SilverBull...her.js
windows10-2004-x64
3SilverBull...et.exe
windows7-x64
7SilverBull...et.exe
windows10-2004-x64
7SilverBull...00.dll
windows7-x64
1SilverBull...00.dll
windows10-2004-x64
1SilverBull...00.dll
windows7-x64
1SilverBull...00.dll
windows10-2004-x64
1SilverBull...es.dll
windows7-x64
1SilverBull...es.dll
windows10-2004-x64
1SilverBull...es.dll
windows7-x64
1SilverBull...es.dll
windows10-2004-x64
1SilverBull...es.dll
windows7-x64
1SilverBull...es.dll
windows10-2004-x64
1SilverBull...rp.dll
windows7-x64
1SilverBull...rp.dll
windows10-2004-x64
1SilverBull...et.dll
windows7-x64
1SilverBull...et.dll
windows10-2004-x64
1SilverBull...to.dll
windows7-x64
1SilverBull...to.dll
windows10-2004-x64
1SilverBull...re.dll
windows7-x64
1SilverBull...re.dll
windows10-2004-x64
1SilverBull...rp.dll
windows7-x64
1SilverBull...rp.dll
windows10-2004-x64
1SilverBull...pf.dll
windows7-x64
3SilverBull...pf.dll
windows10-2004-x64
3SilverBull...er.exe
windows7-x64
7SilverBull...er.exe
windows10-2004-x64
7SilverBull...Re.dll
windows7-x64
1SilverBull...Re.dll
windows10-2004-x64
1SilverBull...le.dll
windows7-x64
1SilverBull...le.dll
windows10-2004-x64
1Resubmissions
08-12-2024 19:26
241208-x5qbbaxngj 10Analysis
-
max time kernel
5s -
max time network
23s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 19:26
Behavioral task
behavioral1
Sample
SilverBullet.v1.1.2 - Copy/Configs/Yahoo + Inbox Searcher.js
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
SilverBullet.v1.1.2 - Copy/Configs/Yahoo + Inbox Searcher.js
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
SilverBullet.v1.1.2 - Copy/Silverbullet.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
SilverBullet.v1.1.2 - Copy/Silverbullet.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
SilverBullet.v1.1.2 - Copy/amd64/Microsoft.VC100.CRT/msvcp100.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
SilverBullet.v1.1.2 - Copy/amd64/Microsoft.VC100.CRT/msvcp100.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
SilverBullet.v1.1.2 - Copy/amd64/Microsoft.VC100.CRT/msvcr100.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
SilverBullet.v1.1.2 - Copy/amd64/Microsoft.VC100.CRT/msvcr100.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
SilverBullet.v1.1.2 - Copy/amd64/bn-BD/Humanizer.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
SilverBullet.v1.1.2 - Copy/amd64/bn-BD/Humanizer.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
SilverBullet.v1.1.2 - Copy/amd64/zh-CN/Humanizer.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
SilverBullet.v1.1.2 - Copy/amd64/zh-CN/Humanizer.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
SilverBullet.v1.1.2 - Copy/amd64/zh-Hant/Humanizer.resources.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
SilverBullet.v1.1.2 - Copy/amd64/zh-Hant/Humanizer.resources.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
SilverBullet.v1.1.2 - Copy/bin/AngleSharp.dll
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
SilverBullet.v1.1.2 - Copy/bin/AngleSharp.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
SilverBullet.v1.1.2 - Copy/bin/BCrypt.Net.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
SilverBullet.v1.1.2 - Copy/bin/BCrypt.Net.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
SilverBullet.v1.1.2 - Copy/bin/BouncyCastle.Crypto.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
SilverBullet.v1.1.2 - Copy/bin/BouncyCastle.Crypto.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
SilverBullet.v1.1.2 - Copy/bin/CaptchaSharp.Services.More.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
SilverBullet.v1.1.2 - Copy/bin/CaptchaSharp.Services.More.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
SilverBullet.v1.1.2 - Copy/bin/CaptchaSharp.dll
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
SilverBullet.v1.1.2 - Copy/bin/CaptchaSharp.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
SilverBullet.v1.1.2 - Copy/bin/CefSharp.Wpf.dll
Resource
win7-20241010-en
Behavioral task
behavioral26
Sample
SilverBullet.v1.1.2 - Copy/bin/CefSharp.Wpf.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
SilverBullet.v1.1.2 - Copy/bin/CloudScraper.exe
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
SilverBullet.v1.1.2 - Copy/bin/CloudScraper.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
SilverBullet.v1.1.2 - Copy/bin/CloudflareSolverRe.dll
Resource
win7-20241010-en
Behavioral task
behavioral30
Sample
SilverBullet.v1.1.2 - Copy/bin/CloudflareSolverRe.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
SilverBullet.v1.1.2 - Copy/bin/Colorful.Console.dll
Resource
win7-20240903-en
Behavioral task
behavioral32
Sample
SilverBullet.v1.1.2 - Copy/bin/Colorful.Console.dll
Resource
win10v2004-20241007-en
General
-
Target
SilverBullet.v1.1.2 - Copy/Silverbullet.exe
-
Size
17.9MB
-
MD5
73110fce83db11aeb8b45b2b393f9516
-
SHA1
4be13da66b454d870d45c79c424c63eed1703bb8
-
SHA256
67f5b424e518fd166b2316f43dce3f31fcafb9bf5160b44fd2ffdec1edb2beb4
-
SHA512
ac44249b92b8fa9572a9d88b19523230e3bed252876c1b5f3026b8164cf5940e358671d528117dd8c2372e375fc663d77bb8bc4baa0e4ccf37ea9eb4cd096cd8
-
SSDEEP
393216:WqPnLFXlrVQPDOETgsvfGKgbWavEqDhmc2jgq:7PLFXNVQ6EVmWzeTe
Malware Config
Signatures
-
Loads dropped DLL 1 IoCs
pid Process 1592 Silverbullet.exe -
resource yara_rule behavioral3/files/0x000400000001de1a-112.dat upx -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2812 wrote to memory of 1592 2812 Silverbullet.exe 29 PID 2812 wrote to memory of 1592 2812 Silverbullet.exe 29 PID 2812 wrote to memory of 1592 2812 Silverbullet.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\SilverBullet.v1.1.2 - Copy\Silverbullet.exe"C:\Users\Admin\AppData\Local\Temp\SilverBullet.v1.1.2 - Copy\Silverbullet.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Users\Admin\AppData\Local\Temp\SilverBullet.v1.1.2 - Copy\Silverbullet.exe"C:\Users\Admin\AppData\Local\Temp\SilverBullet.v1.1.2 - Copy\Silverbullet.exe"2⤵
- Loads dropped DLL
PID:1592
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.4MB
MD569d4f13fbaeee9b551c2d9a4a94d4458
SHA169540d8dfc0ee299a7ff6585018c7db0662aa629
SHA256801317463bd116e603878c7c106093ba7db2bece11e691793e93065223fc7046
SHA5128e632f141daf44bc470f8ee677c6f0fdcbcacbfce1472d928576bf7b9f91d6b76639d18e386d5e1c97e538a8fe19dd2d22ea47ae1acf138a0925e3c6dd156378