donutloader | 363582d900bfb1188ad417488392dc47193eea1d84b4f55e996509c27177194a

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/10/2026, 10:23

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
NFe23416616160316975648976-24-09-2026_5835.js
Size 3.9MB
Sample261014-mexmlabv9v
SHA256 363582d900bfb1188ad417488392dc47193eea1d84b4f55e996509c27177194a
MD5 39d7e80cc42996336b91001abb948f74
SHA1 0a97586d80bf855fe1ff03169ecedc7c7f7b1333
SHA512 1b89b3378d5ea01fc4b928eb18c266de15cd2d551929e123f79c2809996590ce2aead0b162f338ebd8f286a2fc3845c669187471c20a64ff3d066fa8501fba8c
SSDEEP 49152:roaWMJVsVedXqPe4rr2oWjiBdmlq+PYXvX4K8cnnhVs3nXMhU/DSZ02uVv:P
TLSH
T1CD160188C7AA6ECC9F1E9550BE355E61312B90F28F91835B202CB5DF8F55184C4BFA39
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution donutloader loader

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.
loader donutloader

Detects DonutLoader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/4176-12-0x0000000000CA0000-0x0000000000CBE000-memory.dmp	family_donutloader

Executes dropped EXE 1 IoCs

pid	Process
8	njkafslw.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
2472	wscript.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	wscript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	wscript.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	njkafslw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexpress.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4176	iexpress.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 8	4228	wscript.exe	89
PID 8 wrote to memory of 4176	8	njkafslw.exe	90
PID 8 wrote to memory of 4176	8	njkafslw.exe	90
PID 4228 wrote to memory of 2472	4228	wscript.exe	91

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\NFe23416616160316975648976-24-09-2026_5835.js
1⤵
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Users\Admin\AppData\Roaming\CryptoKeys\njkafslw.exe
  "C:\Users\Admin\AppData\Roaming\CryptoKeys\njkafslw.exe" "C:\Users\Admin\AppData\Roaming\CryptoKeys\fdalkenj.au3"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\Windows\SysWOW64\iexpress.exe
    C:\Windows\SysWOW64\iexpress.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4176
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\CryptoKeys\mhaewsvx.vbs"
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  - Reads the TCP/IP host and domain name from the registry
  PID:2472

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Visual Basic

T1059.005

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

fdalkenj.au3

Path C:\Users\Admin\AppData\Roaming\CryptoKeys\fdalkenj.au3
Size 8KB
SHA256 702dbb3303b42c1d4556aa89cf1297118ba295855d1aa52d90b0469d321a9dbe
MD5 e7791dd20eb4c84983b8605f3b5c3fae
SHA1 3cfd807e8203e2ab20444d01d3341c576e3bcc54
SHA512 04f56a4462479726ffa20bea42d9357915a81815f085cec2f40a1ba7c65b83a829a02a55e7bc16057f53cce2d4f788da63615d2e58f06176738e4fe6724d3805
SSDEEP 96:YJeL1eLr/lToHGCGIGIGIGIGIGIGIGNNMJJFJFGIG6nGxwOIGKG5bWx20Gu2GbIE:eFG
TLSH
T188022DC85E56BFFCDAC2C856070DDB4980E029AA5B7480E8E679F04C407B5BD5AC79E3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

mhaewsvx.vbs

Path C:\Users\Admin\AppData\Roaming\CryptoKeys\mhaewsvx.vbs
Size 3KB
SHA256 73b4d10c8d69e43ba27b128b2ba7bdee8102b264d8adb80ee0d3ebf9cf86863f
MD5 4d34f04ca090ecfe658605dc50549837
SHA1 44ec9e94c2aa460f567a7906a0b23f1ec06a8e19
SHA512 124d5a626448760f3f6be509e14a37ccb0b4d44ccb438216a357d9d39c9e9ea5857deec6cefe77c77c1ac0d66305734b4f2e7b655b62953386e48f94e195ea40
TLSH
T1FA81EA990F1FEFD8FBE2CB43EF9DBB9565911CB74975C968A0B8080D5123A5C45E3820
MD5 SHA1 SHA512 TLSH

Submit Download

njkafslw.exe

Path C:\Users\Admin\AppData\Roaming\CryptoKeys\njkafslw.exe
Size 957KB
SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
MD5 279274f8a137bf31425a9c2c14444b66
SHA1 6f7f971406854309d94139aa70bdc772308aff52
SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
TLSH
T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

qfpuzyco

Path C:\Users\Admin\AppData\Roaming\CryptoKeys\qfpuzyco
Size 119KB
SHA256 6828a0c4fdad50bfb09d164889b4d945d10ec28f010c1e72c7cacf2fa6c23f18
MD5 b81bebcf99f8ddcfff331f774e754890
SHA1 678dfce30a47f89aabd54d0dfc97976c9c884fab
SHA512 990e1389654db1cf61d9f2ac650e4d7bc0e810f04dc4d61915ed712b800c08d2b819f50afa2ba16363c7473689e2c163be1b2a53a422d46b1e9a90bb7b2d6ee0
SSDEEP 3072:05HMx2wXdLGD6vDhmq9mL42msQQoK9TPCZDofFoA:05WFXdLQiRbDXK9T3FoA
TLSH
T1EFC3120776B984705D84C389A529C1A4D98BF4DCB382C5C3706BB364634EFAB640DBAE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4176-12-0x0000000000CA0000-0x0000000000CBE000-memory.dmp

Download

memory/4176-14-0x0000000006B40000-0x0000000006B5C000-memory.dmp

Download

memory/4176-16-0x0000000008380000-0x000000000841C000-memory.dmp

Download

memory/4176-17-0x00000000089E0000-0x0000000008F9A000-memory.dmp

Download

memory/4176-18-0x0000000008490000-0x00000000084F6000-memory.dmp

Download

memory/4176-19-0x0000000008FA0000-0x0000000009032000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads