xworm | ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449

Analysis

max time kernel
456s
max time network
1185s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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

behavioral3/memory/396-0-0x0000000000A90000-0x0000000000AAC000-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

4628 powershell.exe
2772 powershell.exe
3008 powershell.exe
3964 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

Processes:

gjruheigerg.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation gjruheigerg.exe
Executes dropped EXE 1 IoCs

Processes:

discord_autoupdaterconfifm.exe

pid process

4092 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

8 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

3408 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

4172 schtasks.exe
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exegjruheigerg.exe

pid process

4628 powershell.exe
4628 powershell.exe
2772 powershell.exe
2772 powershell.exe
3008 powershell.exe
3008 powershell.exe
3964 powershell.exe
3964 powershell.exe
396 gjruheigerg.exe

resource	yara_rule
behavioral3/memory/396-0-0x0000000000A90000-0x0000000000AAC000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe	family_xworm

pid	process
4628	powershell.exe
2772	powershell.exe
3008	powershell.exe
3964	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	gjruheigerg.exe

pid	process
4092	discord_autoupdaterconfifm.exe

flow	ioc
8	ip-api.com

pid	process
3408	timeout.exe

pid	process
4172	schtasks.exe

pid	process
4628	powershell.exe
4628	powershell.exe
2772	powershell.exe
2772	powershell.exe
3008	powershell.exe
3008	powershell.exe
3964	powershell.exe
3964	powershell.exe
396	gjruheigerg.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	396	gjruheigerg.exe
Token: SeDebugPrivilege	4628	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeDebugPrivilege	3964	powershell.exe
Token: SeDebugPrivilege	396	gjruheigerg.exe
Token: SeDebugPrivilege	4092	discord_autoupdaterconfifm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

gjruheigerg.exe

pid process

396 gjruheigerg.exe

pid	process
396	gjruheigerg.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

gjruheigerg.execmd.exe

description	pid	process	target process
PID 396 wrote to memory of 4628	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 4628	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 2772	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 2772	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 3008	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 3008	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 3964	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 3964	396	gjruheigerg.exe	powershell.exe
PID 396 wrote to memory of 4172	396	gjruheigerg.exe	schtasks.exe
PID 396 wrote to memory of 4172	396	gjruheigerg.exe	schtasks.exe
PID 396 wrote to memory of 316	396	gjruheigerg.exe	schtasks.exe
PID 396 wrote to memory of 316	396	gjruheigerg.exe	schtasks.exe
PID 396 wrote to memory of 4968	396	gjruheigerg.exe	cmd.exe
PID 396 wrote to memory of 4968	396	gjruheigerg.exe	cmd.exe
PID 4968 wrote to memory of 3408	4968	cmd.exe	timeout.exe
PID 4968 wrote to memory of 3408	4968	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⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:396

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:4628

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:2772

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:3008

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:3964

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:4172

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /delete /f /tn "discord_autoupdaterconfifm"
2⤵
PID:316

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE01F.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:4968

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:3408

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:4092

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
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

MD5
b51dc9e5ec3c97f72b4ca9488bbb4462

SHA1
5c1e8c0b728cd124edcacefb399bbd5e25b21bd3

SHA256
976f9534aa2976c85c2455bdde786a3f55d63aefdd40942eba1223c4c93590db

SHA512
0e5aa6cf64c535aefb833e5757b68e1094c87424abe2615a7d7d26b1b31eff358d12e36e75ca57fd690a9919b776600bf4c5c0e5a5df55366ba62238bdf3f280

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

MD5
15dde0683cd1ca19785d7262f554ba93

SHA1
d039c577e438546d10ac64837b05da480d06bf69

SHA256
d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

SHA512
57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e2msonvs.etr.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\tmpE01F.tmp.bat
Filesize
163B

MD5
cd01003fbf5a8d5f5b623ce3df5561cf

SHA1
34bcb4c7bcb6b9de89f757414b4624e2dabe8b90

SHA256
3a4db4d9784fc4f3d4323214301e03a4ebcbeb149d861d1e91290169413293b8

SHA512
862694e2e01719e7eac4c68f0c7ecba490252f899b5f7fb6f1e8d01a7ea06a9a568a08e28716169f2ada6f861b6dbf95ceddce4cd283e3a965f4cc834e74301e

Download Submit
memory/396-55-0x00007FFB95F00000-0x00007FFB969C1000-memory.dmp

Filesize
10.8MB

Download
memory/396-0-0x0000000000A90000-0x0000000000AAC000-memory.dmp

Filesize
112KB

Download
memory/396-2-0x00007FFB95F00000-0x00007FFB969C1000-memory.dmp

Filesize
10.8MB

Download
memory/396-1-0x00007FFB95F03000-0x00007FFB95F05000-memory.dmp

Filesize
8KB

Download
memory/396-54-0x00007FFB95F03000-0x00007FFB95F05000-memory.dmp

Filesize
8KB

Download
memory/396-62-0x00007FFB95F00000-0x00007FFB969C1000-memory.dmp

Filesize
10.8MB

Download
memory/4628-18-0x00007FFB95F00000-0x00007FFB969C1000-memory.dmp

Filesize
10.8MB

Download
memory/4628-3-0x000002CE1EE70000-0x000002CE1EE92000-memory.dmp

Filesize
136KB

Download
memory/4628-13-0x00007FFB95F00000-0x00007FFB969C1000-memory.dmp

Filesize
10.8MB

Download
memory/4628-15-0x00007FFB95F00000-0x00007FFB969C1000-memory.dmp

Filesize
10.8MB

Download
memory/4628-14-0x00007FFB95F00000-0x00007FFB969C1000-memory.dmp

Filesize
10.8MB

Download