donutloader | 062166d19e9c5436528453b54fb7241f944b209d019ae1c90103ddea4de9f9df

Analysis

user interaction
yes
max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
16/10/2026, 09:15

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General

Target
meiins.exe
Size 643KB
Sample261016-k8antagg76
SHA256 062166d19e9c5436528453b54fb7241f944b209d019ae1c90103ddea4de9f9df
MD5 2583586fb0a203873b4bb865a7a99f47
SHA1 793c21585ded6c2b2b7875a14f0cd9fe61b6ac98
SHA512 76fa02bd7b7352f2edc9c8a3226bbd02fa49d88f5f1df525b068e553901807abe857eac2534b617664b935a11f1fa1472b3bc4435f04f484ba0f4b76668444b8
SSDEEP 384:8611pPdLlrML4OoDkrYO9HOHzpC9dVS17FYVZrkrcMLvPEnN+ByQJEn/GGO6Lcls:brXlrqF9yU1
TLSH
T179E4CB29DF7B2AFF0026CC9BDBD341A3E4549426699D9BA209D243EB0793D076493D3C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution donutloader xworm loader persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

saudlabuib-41247.portmap.host:41247

Mutex

xciMVWFqWKw43fTK

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

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
Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2320-20-0x00000000040C0000-0x00000000040CE000-memory.dmp	family_xworm

Detects DonutLoader 1 IoCs

loader

resource	yara_rule
behavioral1/memory/2320-19-0x0000000001490000-0x00000000014A0000-memory.dmp	family_donutloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\Control Panel\International\Geo\Nation	meiins.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
2848	meiins.exe
2320	meiins.exe

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\meiins.exe	meiins.exe
File opened for modification	C:\Windows\SysWOW64\meiins.exe	meiins.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\meiins.exe	meiins.exe

Launches sc.exe 6 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4764	sc.exe
4664	sc.exe
4840	sc.exe
320	sc.exe
4836	sc.exe
3564	sc.exe

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	meiins.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	meiins.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	meiins.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	meiins.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	meiins.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Disables Windows logging functionality 2 TTPs
Changes registry settings to disable Windows Event logging.

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\Windows Error Reporting	meiins.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\Windows Error Reporting\Disabled = "1"	meiins.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	meiins.exe
Token: SeDebugPrivilege	2848	meiins.exe
Token: SeDebugPrivilege	2320	meiins.exe
Token: SeDebugPrivilege	2320	meiins.exe
Token: SeDebugPrivilege	2320	meiins.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 2848	3304	meiins.exe	88
PID 2848 wrote to memory of 4764	2848	meiins.exe	89
PID 2848 wrote to memory of 4664	2848	meiins.exe	93
PID 2848 wrote to memory of 4840	2848	meiins.exe	97
PID 2848 wrote to memory of 320	2848	meiins.exe	99
PID 2848 wrote to memory of 4836	2848	meiins.exe	101
PID 2848 wrote to memory of 3564	2848	meiins.exe	103

C:\Users\Admin\AppData\Local\Temp\meiins.exe
"C:\Users\Admin\AppData\Local\Temp\meiins.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\SysWOW64\meiins.exe
  "C:\Windows\System32\meiins.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\SysWOW64\sc.exe
    "sc.exe" stop meiins
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4764
- - C:\Windows\SysWOW64\sc.exe
    "sc.exe" delete meiins
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4664
- - C:\Windows\SysWOW64\sc.exe
    "sc.exe" create meiins binPath= "C:\Windows\System32\meiins.exe /service" type= own start= auto
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4840
- - C:\Windows\SysWOW64\sc.exe
    "sc.exe" description meiins "Windows Security Update Service"
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:320
- - C:\Windows\SysWOW64\sc.exe
    "sc.exe" failure meiins reset= 3600 actions= restart/10000
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4836
- - C:\Windows\SysWOW64\sc.exe
    "sc.exe" start meiins
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:3564

C:\Windows\SysWOW64\meiins.exe
C:\Windows\SysWOW64\meiins.exe /service
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2320

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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

Service Stop

T1489

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Downloads

meiins.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\meiins.exe.log
Size 425B
SHA256 34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
MD5 4eaca4566b22b01cd3bc115b9b0b2196
SHA1 e743e0792c19f71740416e7b3c061d9f1336bf94
SHA512 bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
TLSH
T112E0AB303321E0D489422F821C1C769503EF0359A110EE183848125FD4251172B312E3
MD5 SHA1 SHA512 TLSH

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meiins.exe

Path C:\Windows\SysWOW64\meiins.exe
Size 643KB
SHA256 062166d19e9c5436528453b54fb7241f944b209d019ae1c90103ddea4de9f9df
MD5 2583586fb0a203873b4bb865a7a99f47
SHA1 793c21585ded6c2b2b7875a14f0cd9fe61b6ac98
SHA512 76fa02bd7b7352f2edc9c8a3226bbd02fa49d88f5f1df525b068e553901807abe857eac2534b617664b935a11f1fa1472b3bc4435f04f484ba0f4b76668444b8
SSDEEP 384:8611pPdLlrML4OoDkrYO9HOHzpC9dVS17FYVZrkrcMLvPEnN+ByQJEn/GGO6Lcls:brXlrqF9yU1
TLSH
T179E4CB29DF7B2AFF0026CC9BDBD341A3E4549426699D9BA209D243EB0793D076493D3C
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2320-18-0x0000000003920000-0x0000000003942000-memory.dmp

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memory/2320-19-0x0000000001490000-0x00000000014A0000-memory.dmp

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memory/2320-20-0x00000000040C0000-0x00000000040CE000-memory.dmp

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memory/2320-21-0x0000000004180000-0x000000000421C000-memory.dmp

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memory/2848-16-0x0000000004E80000-0x0000000004E90000-memory.dmp

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memory/3304-0-0x00000000000C0000-0x0000000000168000-memory.dmp

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memory/3304-3-0x0000000004C30000-0x0000000004C40000-memory.dmp

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memory/3304-26-0x0000000004C30000-0x0000000004C40000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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