Overview
overview
10Static
static
5Bootstrapp...er.exe
windows10-2004-x64
10Bootstrapp...che.js
windows10-2004-x64
3Bootstrapp...che.js
windows11-21h2-x64
3Bootstrapp...nt.dll
windows10-2004-x64
10Bootstrapp...nt.dll
windows11-21h2-x64
10Bootstrapp...ng.dll
windows10-2004-x64
3Bootstrapp...ng.dll
windows11-21h2-x64
3Bootstrapp...ng.dll
windows10-2004-x64
3Bootstrapp...ng.dll
windows11-21h2-x64
3Bootstrapp...ng.dll
windows10-2004-x64
3Bootstrapp...ng.dll
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/06/2026, 13:13
Static task
static1
Behavioral task
behavioral1
Sample
BootstrapperNET/Bootsrappper.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
BootstrapperNET/Workspace/373f5d42922fa6b5ac57adbb41b8015f-cache.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
BootstrapperNET/Workspace/373f5d42922fa6b5ac57adbb41b8015f-cache.js
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
BootstrapperNET/mpclient.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral5
Sample
BootstrapperNET/mpclient.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
BootstrapperNET/runtimes/app.asar.unpacked/node_modules/btime/binding.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral7
Sample
BootstrapperNET/runtimes/app.asar.unpacked/node_modules/btime/binding.dll
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
BootstrapperNET/runtimes/app.asar.unpacked/node_modules/get-fonts/binding.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral9
Sample
BootstrapperNET/runtimes/app.asar.unpacked/node_modules/get-fonts/binding.dll
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
BootstrapperNET/runtimes/app.asar.unpacked/node_modules/vibrancy-win/binding.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral11
Sample
BootstrapperNET/runtimes/app.asar.unpacked/node_modules/vibrancy-win/binding.dll
Resource
win11-20260513-en
General
- Target BootstrapperNET/mpclient.dll
- Size 2.6MB
- Sample260608-qgercaex3s
- SHA256 c20dc658f8aa9b49e8f2bbf46880f8d6598723020d21e97e8bb5468660eaa698
- MD5 e463a3559c5c1c4cb67dea6737a0ab3f
- SHA1 f7042f2f81aad68430cc2eead7adf2c0d7fad16e
- SHA512 89667e30414f1166d0a646f08ac3a0b6651e5661fca5acb32ef1dbc2f26a7cc2789819cbff65436beb6cd9f5852f911932c976ed98f11f08175b18e20e689ce8
- SSDEEP 24576:TITTJx6KSAYMxWG73R+8DJRGQLkiNpXGZFDm2Cqa3PMQy0cq/nBele7tKDQ5IF2Q:kTVxUA/D7hVDzG2kZm2OID4v+uRkzF
- TLSH T1B1D54A06BCD048ADC099733188F626567B3DBC480B2263C72FA17A7A2E73BD16C76755
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remus_stealer
-
http://lmc014command.com:5200
-
http://myrtler.biz:9549
-
http://carogra.biz:4219
Signatures
- Family: Remus
Remus is a stealer written in C++.
- Detects Remus stealer 1 IoCs
resource yara_rule behavioral4/memory/1248-2-0x0000000140000000-0x0000000140039000-memory.dmp family_remus_stealer - Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 1248 rundll32.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe 1248 rundll32.exe