Analysis
- max time kernel
148s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 18:48
Static task
static1
Behavioral task
behavioral1
Sample
encrypted_msb_9987.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
encrypted_msb_9987.js
Resource
win11ltsc2024-20260911-en
General
- Target encrypted_msb_9987.js
- Size 3.4MB
- Sample261102-xftmfaex8l
- SHA256 7108d2c7b985267bec554335b4a91b8f756b4d1eca463d04051b4d65b065d587
- MD5 9e1a284544627e3a41cc9b95d8c67423
- SHA1 9a66ee806640ae61ecfdbe21f718dc172e58cc0d
- SHA512 6fad28ffa52c393571e424fefcfc199d6ee7c0d347b5c534aa030731d0cdc83fa17453b1aa0e7adf69c71bcbe55a4b20faa28319bb67abc9a1cd6522581292d7
- SSDEEP 49152:prJJ4Ac2GcQKTO4aWfd1gJFq7Q48tS6PArxs8iS4YS6QRtj+CBZhMW7Ix1KlX2/g:K
- TLSH T108F5011E5F260D2D8225FACF7E7B5F5DA4F7D9ABDC98F900CE08A3174290352AB44A50
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 1 IoCs
resource yara_rule behavioral2/memory/4264-11-0x00000000007D0000-0x00000000007EE000-memory.dmp family_donutloader - Executes dropped EXE 1 IoCs
pid Process 3412 mwdhtftg.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1924 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mwdhtftg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexpress.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1924 cmd.exe 2348 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2348 PING.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4264 iexpress.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4140 wrote to memory of 3412 4140 wscript.exe 89 PID 4140 wrote to memory of 1924 4140 wscript.exe 90 PID 1924 wrote to memory of 2348 1924 cmd.exe 92 PID 3412 wrote to memory of 4264 3412 mwdhtftg.exe 93 PID 3412 wrote to memory of 4264 3412 mwdhtftg.exe 93
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\encrypted_msb_9987.js1⤵
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Users\Admin\AppData\Roaming\SecurityHealth\mwdhtftg.exe"C:\Users\Admin\AppData\Roaming\SecurityHealth\mwdhtftg.exe" "C:\Users\Admin\AppData\Roaming\SecurityHealth\ehuojfwe.au3"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\iexpress.exeC:\Windows\SysWOW64\iexpress.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4264
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c ping -n 9 127.0.0.1 >nul & rd /s /q "C:\Users\Admin\AppData\Roaming\SecurityHealth"2⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\system32\PING.EXEping -n 9 127.0.0.13⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2348
-
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\SecurityHealth\JGFFDDERGH
- Size 118KB
- SHA256 8faccbe1c735ccfb419b74a8271d3148be1ff15f3f5500570f95df5b7ad471d4
- MD5 1ad45ec70ab14413e3d15131957ac0af
- SHA1 d8cd287529b09cc8ce373012721500c9e0f1ad01
- SHA512 cbdaddc95deff7473e57f18f63285e026d80231400338febc035a3dee9eaa874a5f64d3abc1931ec2e006832759ad4867530e920323a7fb3ae72a7fa34f4885e
- SSDEEP 3072:LjcOPnciG8vtp+GV6GJDz1k1QqImbifSpUQLl:/5Pq8vtRrJTqJyiv
- TLSH T1ADC3129118E0FC1CE4D6BBD8F2F2CCE9889A7D49B24BD8A571ED194B4D99404C4C8F76
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\SecurityHealth\ehuojfwe.au3
- Size 10KB
- SHA256 436f2083f6960dd189b5c076a1919af7fa6c8d31dca16ff6b45ec843ddb475c6
- MD5 b906b38db79c35823eddb777ffac9195
- SHA1 62ea7f61fd6ccb6229308a4253fba9a682fa9fdb
- SHA512 d3d49ed79cedb3a606712627f22fad0fcf6f30a73a6e0324728a682d98f9e140c2d9cd76150507c6e25b7ca714b806a3362b885e25dc717ffd709f6c97a58145
- SSDEEP 96:XUeYeBw20dahGCGIGIGIGIGIGIGIGNNMJJA4JFGIGcAi7G4EmgvW5vuEgvuEGNs4:hwsAmKq
- TLSH T1FE3230C85E5ABFFCDAC2C855074D9B4980E029BA5B3480E9E978F00C417B5BD5AC79A3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\SecurityHealth\mwdhtftg.exe
- Size 957KB
- SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
- MD5 279274f8a137bf31425a9c2c14444b66
- SHA1 6f7f971406854309d94139aa70bdc772308aff52
- SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
- SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
- TLSH T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
- MD5 SHA1 SHA512 SSDEEP TLSH