xworm | ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449

Analysis

max time kernel
1485s
max time network
1498s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 20:25

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General

Target

gjruheigerg.exe
Size

84KB
MD5

b5fbb4aec5eaf3f64a592e72ac30a1ab
SHA1

993b36feeb223032ec7a536687cfe37ddf2ffd39
SHA256

ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449
SHA512

8768a68783e11654da0815b574e7e20c3cdaa4b4f710b6d288f9a69082f040177d32b2fdaf34b42239308ea21d4e3fc4319b67145b0f2b8126a4fc7a007dcc53
SSDEEP

1536:Xb5H+OMwTEBrZ5idVjzXGbhpTw6DG6GiyoAOsjJKVV4yAETSAJ0iH:rgG0FkbH2bhpM6NAOsViyylyY

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

79.202.250.5:80

Attributes

Install_directory
%Temp%
install_file
discord_autoupdaterconfifm.exe
telegram
https://api.telegram.org/bot7345950584:AAH5ca8n_1S4bD12cZuSsr23SjFGXJYzRk0

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral4/memory/4756-1-0x0000000000400000-0x000000000041C000-memory.dmp family_xworm
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

884 powershell.exe
496 powershell.exe
3316 powershell.exe
2292 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

discord_autoupdaterconfifm.exe

pid process

1896 discord_autoupdaterconfifm.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ip-api.com
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

Processes:

timeout.exe

pid process

4820 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

Processes:

schtasks.exe

pid process

916 schtasks.exe
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exegjruheigerg.exe

pid process

3316 powershell.exe
3316 powershell.exe
2292 powershell.exe
2292 powershell.exe
884 powershell.exe
884 powershell.exe
496 powershell.exe
496 powershell.exe
4756 gjruheigerg.exe

resource	yara_rule
behavioral4/memory/4756-1-0x0000000000400000-0x000000000041C000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe	family_xworm

pid	process
884	powershell.exe
496	powershell.exe
3316	powershell.exe
2292	powershell.exe

pid	process
1896	discord_autoupdaterconfifm.exe

flow	ioc
1	ip-api.com

pid	process
4820	timeout.exe

pid	process
916	schtasks.exe

pid	process
3316	powershell.exe
3316	powershell.exe
2292	powershell.exe
2292	powershell.exe
884	powershell.exe
884	powershell.exe
496	powershell.exe
496	powershell.exe
4756	gjruheigerg.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

gjruheigerg.exepowershell.exepowershell.exepowershell.exepowershell.exediscord_autoupdaterconfifm.exe

description	pid	process
Token: SeDebugPrivilege	4756	gjruheigerg.exe
Token: SeDebugPrivilege	3316	powershell.exe
Token: SeDebugPrivilege	2292	powershell.exe
Token: SeDebugPrivilege	884	powershell.exe
Token: SeDebugPrivilege	496	powershell.exe
Token: SeDebugPrivilege	4756	gjruheigerg.exe
Token: SeDebugPrivilege	1896	discord_autoupdaterconfifm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

gjruheigerg.exe

pid process

4756 gjruheigerg.exe

pid	process
4756	gjruheigerg.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

gjruheigerg.execmd.exe

description	pid	process	target process
PID 4756 wrote to memory of 3316	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 3316	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 2292	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 2292	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 884	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 884	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 496	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 496	4756	gjruheigerg.exe	powershell.exe
PID 4756 wrote to memory of 916	4756	gjruheigerg.exe	schtasks.exe
PID 4756 wrote to memory of 916	4756	gjruheigerg.exe	schtasks.exe
PID 4756 wrote to memory of 2500	4756	gjruheigerg.exe	schtasks.exe
PID 4756 wrote to memory of 2500	4756	gjruheigerg.exe	schtasks.exe
PID 4756 wrote to memory of 1132	4756	gjruheigerg.exe	cmd.exe
PID 4756 wrote to memory of 1132	4756	gjruheigerg.exe	cmd.exe
PID 1132 wrote to memory of 4820	1132	cmd.exe	timeout.exe
PID 1132 wrote to memory of 4820	1132	cmd.exe	timeout.exe

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\gjruheigerg.exe
"C:\Users\Admin\AppData\Local\Temp\gjruheigerg.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4756

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\gjruheigerg.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3316

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'gjruheigerg.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2292

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:884

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'discord_autoupdaterconfifm.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:496

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "discord_autoupdaterconfifm" /tr "C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:916

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /delete /f /tn "discord_autoupdaterconfifm"
2⤵
PID:2500

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF24F.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1132

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:4820

C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1896

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
781da0576417bf414dc558e5a315e2be

SHA1
215451c1e370be595f1c389f587efeaa93108b4c

SHA256
41a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe

SHA512
24e283aa30a2903ebe154dad49b26067a45e46fec57549ad080d3b9ec3f272044efaaed3822d067837f5521262192f466c47195ffe7f75f8c7c5dcf3159ea737

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
4093e5ab3812960039eba1a814c2ffb0

SHA1
b5e4a98a80be72fccd3cc910e93113d2febef298

SHA256
c0794e2b7036ce5612446a8b15e0c8387773bbc921f63cf8849f8a1f4ef3878c

SHA512
f3555b45aa1a1dd5214716dc81a05905c4ecd5a3e1276d35e08c65623ab1d14d469b3b576a5d9638264c1222d73889d2cc1ee43fb579d9ca3fcddd9f557cac7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xuisia02.gpm.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe
Filesize
84KB

MD5
b5fbb4aec5eaf3f64a592e72ac30a1ab

SHA1
993b36feeb223032ec7a536687cfe37ddf2ffd39

SHA256
ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449

SHA512
8768a68783e11654da0815b574e7e20c3cdaa4b4f710b6d288f9a69082f040177d32b2fdaf34b42239308ea21d4e3fc4319b67145b0f2b8126a4fc7a007dcc53

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF24F.tmp.bat
Filesize
163B

MD5
2726c5bd41215860ca270eb4648b1f1a

SHA1
9e9ae1c45f8d680b74b30756ee434a0e6306528b

SHA256
04e4515dc86149b1296bd06ff7d66a7a3c4d462ac35334d0819d4bb23062275f

SHA512
33f2ed30d800fc4d9c2bad5b36a9b4b5207daf6d855688a8e53d6813737794b0c3507caf5bf218b7eee8c5e1f2a700b74e6a871c6ebea1efb135a02ec2ea1ab2

Download Submit
memory/3316-11-0x000001BA26B10000-0x000001BA26B32000-memory.dmp

Filesize
136KB

Download
memory/3316-15-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download
memory/3316-18-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download
memory/3316-12-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download
memory/3316-14-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download
memory/3316-13-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download
memory/4756-0-0x00007FFFAD4C3000-0x00007FFFAD4C5000-memory.dmp

Filesize
8KB

Download
memory/4756-2-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download
memory/4756-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4756-51-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download
memory/4756-59-0x00007FFFAD4C0000-0x00007FFFADF82000-memory.dmp

Filesize
10.8MB

Download