xworm | f59e1de9448a13b3afb5f324ce6e84578e583da621464776e52074d3b3573536

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 02:37

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General

Target

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
Size

57KB
MD5

90a6868b7ce2020387d453aa38668584
SHA1

7bde411bb0d7b6aa7a020266a61ce0d61ef0b362
SHA256

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a
SHA512

243c6010cbee28f5181383565a00c22375828f8b5293d35d9512adb249a4fadfd04eab3fb7b9789d6e1bea39f1cf513439e0f7d72ecb69e00a16e8f6d7f0efcc
SSDEEP

1536:Liu7HktvnRa+lZrOY/FJ9N76iOCweg662XkhiYYtG:LiftnZCgFJ9NTOCql2XkUYYtG

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

hardware-bands.gl.at.ply.gg:63257

Mutex

GRHeRJRFnCzlkxGI

Attributes

Install_directory
%AppData%
install_file
DiscordAutoUpdate.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/1548-1-0x00000000005A0000-0x00000000005B4000-memory.dmp family_xworm
C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.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

1748 powershell.exe
812 powershell.exe
4072 powershell.exe
212 powershell.exe

resource	yara_rule
behavioral2/memory/1548-1-0x00000000005A0000-0x00000000005B4000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe	family_xworm

pid	process
1748	powershell.exe
812	powershell.exe
4072	powershell.exe
212	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:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

Drops startup file 2 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DiscordAutoUpdate.lnk	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DiscordAutoUpdate.lnk	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

Executes dropped EXE 2 IoCs

Processes:

DiscordAutoUpdate.exeDiscordAutoUpdate.exe

pid process

4536 DiscordAutoUpdate.exe
2136 DiscordAutoUpdate.exe

pid	process
4536	DiscordAutoUpdate.exe
2136	DiscordAutoUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DiscordAutoUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\DiscordAutoUpdate.exe"	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.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

23 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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

1820 schtasks.exe

flow	ioc
23	ip-api.com

pid	process
1820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exed2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

pid	process
812	powershell.exe
812	powershell.exe
4072	powershell.exe
4072	powershell.exe
212	powershell.exe
212	powershell.exe
1748	powershell.exe
1748	powershell.exe
1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exepowershell.exepowershell.exepowershell.exepowershell.exeDiscordAutoUpdate.exeDiscordAutoUpdate.exe

description	pid	process
Token: SeDebugPrivilege	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
Token: SeDebugPrivilege	812	powershell.exe
Token: SeDebugPrivilege	4072	powershell.exe
Token: SeDebugPrivilege	212	powershell.exe
Token: SeDebugPrivilege	1748	powershell.exe
Token: SeDebugPrivilege	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
Token: SeDebugPrivilege	4536	DiscordAutoUpdate.exe
Token: SeDebugPrivilege	2136	DiscordAutoUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

pid process

1548 d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

pid	process
1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe

description	pid	process	target process
PID 1548 wrote to memory of 812	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 812	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 4072	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 4072	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 212	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 212	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 1748	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 1748	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	powershell.exe
PID 1548 wrote to memory of 1820	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	schtasks.exe
PID 1548 wrote to memory of 1820	1548	d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe	schtasks.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\d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe
"C:\Users\Admin\AppData\Local\Temp\d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548

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\d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:812

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072

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\Roaming\DiscordAutoUpdate.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:212

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'DiscordAutoUpdate.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1748

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "DiscordAutoUpdate" /tr "C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:1820

C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4536

C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2136

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\DiscordAutoUpdate.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
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
15dde0683cd1ca19785d7262f554ba93

SHA1
d039c577e438546d10ac64837b05da480d06bf69

SHA256
d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

SHA512
57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

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

MD5
9a2c763c5ff40e18e49ad63c7c3b0088

SHA1
4b289ea34755323fa869da6ad6480d8d12385a36

SHA256
517807921c55bd16cd8a8bfae3d5dc19444c66f836b66acd5593e3080acbaf8e

SHA512
3af01926bc7de92076067d158d7250b206d396b3282ee0db43639d04d91bd9ff763acbce12c7822914824984a3c5fdd1b8dbf1ad2ee88233d47f0f808b746bc8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r3ikaszl.w1o.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\DiscordAutoUpdate.exe
Filesize
57KB

MD5
90a6868b7ce2020387d453aa38668584

SHA1
7bde411bb0d7b6aa7a020266a61ce0d61ef0b362

SHA256
d2b430a0c74ef2bd97c86d95c35fe964bd00ed17d2e6542be33cc7c99def9d5a

SHA512
243c6010cbee28f5181383565a00c22375828f8b5293d35d9512adb249a4fadfd04eab3fb7b9789d6e1bea39f1cf513439e0f7d72ecb69e00a16e8f6d7f0efcc

Download Submit
memory/812-3-0x00000186F71C0000-0x00000186F71E2000-memory.dmp

Filesize
136KB

Download
memory/812-18-0x00007FFD795D0000-0x00007FFD7A091000-memory.dmp

Filesize
10.8MB

Download
memory/812-15-0x00007FFD795D0000-0x00007FFD7A091000-memory.dmp

Filesize
10.8MB

Download
memory/812-14-0x00007FFD795D0000-0x00007FFD7A091000-memory.dmp

Filesize
10.8MB

Download
memory/812-13-0x00007FFD795D0000-0x00007FFD7A091000-memory.dmp

Filesize
10.8MB

Download
memory/1548-0-0x00007FFD795D3000-0x00007FFD795D5000-memory.dmp

Filesize
8KB

Download
memory/1548-57-0x00007FFD795D3000-0x00007FFD795D5000-memory.dmp

Filesize
8KB

Download
memory/1548-58-0x00007FFD795D0000-0x00007FFD7A091000-memory.dmp

Filesize
10.8MB

Download
memory/1548-2-0x00007FFD795D0000-0x00007FFD7A091000-memory.dmp

Filesize
10.8MB

Download
memory/1548-1-0x00000000005A0000-0x00000000005B4000-memory.dmp

Filesize
80KB

Download