xworm | d1fa0a10d83aeb69a4142815522c9ddd6b74dd761661ff60e169b58439098b0c

General

Target

allah.exe
Size

67KB
MD5

801bcacf5ee72a5871d43db2bbe67c5b
SHA1

8e8820be0eac81b28b1c56c091511c31a872e045
SHA256

d1fa0a10d83aeb69a4142815522c9ddd6b74dd761661ff60e169b58439098b0c
SHA512

2e145f53af0d1922f16bb09666ab2d1355fdbd418559c758e72e642614514f0635847e34d588d992d5999cd17230ad4d248bfc4e04fe36379ffccc5fbeed3065
SSDEEP

1536:hh8tOfil285SO6XSfQJWJbiW+bz1CgLCy2sm1OQIEQMPeSw:QtOS2u4JWNiW+bz1CtOtpbT

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

C2

poker-dosage.gl.at.ply.gg:10021

Attributes

Install_directory
%AppData%
install_file
RealtekUService86.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/3656-1-0x0000000000F00000-0x0000000000F18000-memory.dmp	family_xworm
behavioral1/files/0x0007000000023c8d-12.dat	family_xworm

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

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	allah.exe

Executes dropped EXE 2 IoCs

pid	Process
4052	RealtekUService86.exe
2156	RealtekUService86.exe

Loads dropped DLL 1 IoCs

pid	Process
3656	allah.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4680	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3656	allah.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	allah.exe
Token: SeDebugPrivilege	3656	allah.exe
Token: SeDebugPrivilege	4052	RealtekUService86.exe
Token: SeDebugPrivilege	2156	RealtekUService86.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3656	allah.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 3180	3656	allah.exe	85
PID 3656 wrote to memory of 3180	3656	allah.exe	85
PID 3656 wrote to memory of 60	3656	allah.exe	108
PID 3656 wrote to memory of 60	3656	allah.exe	108
PID 3656 wrote to memory of 5084	3656	allah.exe	110
PID 3656 wrote to memory of 5084	3656	allah.exe	110
PID 5084 wrote to memory of 4680	5084	cmd.exe	112
PID 5084 wrote to memory of 4680	5084	cmd.exe	112

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\allah.exe
"C:\Users\Admin\AppData\Local\Temp\allah.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RealtekUService86" /tr "C:\Users\Admin\AppData\Roaming\RealtekUService86.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3180
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "RealtekUService86"
  2⤵
  PID:60
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8350.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5084
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4680

C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4052

C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RealtekUService86.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4205.tmp

Filesize
100KB

MD5
1b942faa8e8b1008a8c3c1004ba57349

SHA1
cd99977f6c1819b12b33240b784ca816dfe2cb91

SHA256
555ccb7ecd9ae52a75135fdd81ab443a49d5785b0621ed6468d28c4234e46ccc

SHA512
5aee3d59478d41ddd5885c99b394c9c4983064e2b3528db1a3f7fc289662bced4f57d072517bbe7573c6d1789435e987ef1aa9cc91f372bcfd30bc016675fa43

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8350.tmp.bat

Filesize
157B

MD5
8e73f57aa294d08624387ca15a2c8fc9

SHA1
aa8842b555ee42e6190e15d54d8df6ebd307e937

SHA256
0276917be645a80062b124f16a0c2b5167e53a403011627e7220e6f8dbea9319

SHA512
76a4527b98c394ef8555bfce1950e7f4c47a86631c51d9e49dcde08545709c9781e91dbd15971ef73756c922e3f576e36fd2f32314821a96dee1994911534e75

Download Submit
C:\Users\Admin\AppData\Roaming\RealtekUService86.exe

Filesize
67KB

MD5
801bcacf5ee72a5871d43db2bbe67c5b

SHA1
8e8820be0eac81b28b1c56c091511c31a872e045

SHA256
d1fa0a10d83aeb69a4142815522c9ddd6b74dd761661ff60e169b58439098b0c

SHA512
2e145f53af0d1922f16bb09666ab2d1355fdbd418559c758e72e642614514f0635847e34d588d992d5999cd17230ad4d248bfc4e04fe36379ffccc5fbeed3065

Download Submit
memory/3656-4-0x00007FF9DC8D3000-0x00007FF9DC8D5000-memory.dmp

Filesize
8KB

Download
memory/3656-6-0x000000001CD40000-0x000000001CD7A000-memory.dmp

Filesize
232KB

Download
memory/3656-5-0x00007FF9DC8D0000-0x00007FF9DD391000-memory.dmp

Filesize
10.8MB

Download
memory/3656-11-0x000000001C5F0000-0x000000001C5FC000-memory.dmp

Filesize
48KB

Download
memory/3656-0-0x00007FF9DC8D3000-0x00007FF9DC8D5000-memory.dmp

Filesize
8KB

Download
memory/3656-17-0x000000001CF20000-0x000000001CF2A000-memory.dmp

Filesize
40KB

Download
memory/3656-3-0x00007FF9DC8D0000-0x00007FF9DD391000-memory.dmp

Filesize
10.8MB

Download
memory/3656-23-0x00007FF9DC8D0000-0x00007FF9DD391000-memory.dmp

Filesize
10.8MB

Download
memory/3656-1-0x0000000000F00000-0x0000000000F18000-memory.dmp

Filesize
96KB

Download
memory/4052-14-0x00007FF9DC8D0000-0x00007FF9DD391000-memory.dmp

Filesize
10.8MB

Download
memory/4052-16-0x00007FF9DC8D0000-0x00007FF9DD391000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads