xworm | ba599c53479ad87732d7d5dab8a4cca44bb55cbc134e6054ddb6414e9cfd1508

Resubmissions

11-08-2024 17:41

240811-v9en9sthpe 10

11-08-2024 17:38

28-07-2024 15:36

23-07-2024 17:57

23-07-2024 12:45

Analysis

max time kernel
1787s
max time network
1799s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 17:41

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General

Target

X.exe
Size

63KB
MD5

f16a3a537f873f3e7bd334d6cf93c525
SHA1

4fbedba1adbeda56019534b1bf74ff47ed814e61
SHA256

ba599c53479ad87732d7d5dab8a4cca44bb55cbc134e6054ddb6414e9cfd1508
SHA512

032ec3782acaa2d21b24b8aae659e2bede424e594fee00aafbcf66840a8fd048fceae7ef2a8ad449a38590041d241c7edd1c219e9b5ffb3b5e8993a01ba4011a
SSDEEP

1536:zDJ1KwwGadRqckbTz0hdOWwdx6mf6ZOTLGuJi:p14GURjkbTnWvOTJJi

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:7787

92.43.187.26:7787

Attributes

Install_directory
%Temp%
install_file
St.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4516-1-0x0000000000540000-0x0000000000556000-memory.dmp	family_xworm
behavioral2/files/0x000c000000023431-58.dat	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

pid	Process
1368	powershell.exe
1676	powershell.exe
3352	powershell.exe
712	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	X.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\St.lnk	X.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\St.lnk	X.exe

Executes dropped EXE 30 IoCs

pid	Process
2168	St.exe
3420	St.exe
2944	St.exe
752	St.exe
2772	St.exe
1652	St.exe
3088	St.exe
4852	St.exe
2688	St.exe
1004	St.exe
4420	St.exe
2540	St.exe
4856	St.exe
2656	St.exe
4896	St.exe
3136	St.exe
400	St.exe
4668	St.exe
2136	St.exe
1404	St.exe
3144	St.exe
4560	St.exe
3692	St.exe
2068	St.exe
3788	St.exe
3128	St.exe
4892	St.exe
3800	St.exe
448	St.exe
4832	St.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\St = "C:\\Users\\Admin\\AppData\\Local\\Temp\\St.exe"	X.exe

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

pid	Process
4672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1368	powershell.exe
1368	powershell.exe
1676	powershell.exe
1676	powershell.exe
3352	powershell.exe
3352	powershell.exe
712	powershell.exe
712	powershell.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	4516	X.exe
Token: SeDebugPrivilege	1368	powershell.exe
Token: SeDebugPrivilege	1676	powershell.exe
Token: SeDebugPrivilege	3352	powershell.exe
Token: SeDebugPrivilege	712	powershell.exe
Token: SeDebugPrivilege	4516	X.exe
Token: SeDebugPrivilege	2168	St.exe
Token: SeDebugPrivilege	3420	St.exe
Token: SeDebugPrivilege	2944	St.exe
Token: SeDebugPrivilege	752	St.exe
Token: SeDebugPrivilege	2772	St.exe
Token: SeDebugPrivilege	1652	St.exe
Token: SeDebugPrivilege	3088	St.exe
Token: SeDebugPrivilege	4852	St.exe
Token: SeDebugPrivilege	2688	St.exe
Token: SeDebugPrivilege	1004	St.exe
Token: SeDebugPrivilege	4420	St.exe
Token: SeDebugPrivilege	2540	St.exe
Token: SeDebugPrivilege	4856	St.exe
Token: SeDebugPrivilege	2656	St.exe
Token: SeDebugPrivilege	4896	St.exe
Token: SeDebugPrivilege	3136	St.exe
Token: SeDebugPrivilege	400	St.exe
Token: SeDebugPrivilege	4668	St.exe
Token: SeDebugPrivilege	2136	St.exe
Token: SeDebugPrivilege	1404	St.exe
Token: SeDebugPrivilege	3144	St.exe
Token: SeDebugPrivilege	4560	St.exe
Token: SeDebugPrivilege	3692	St.exe
Token: SeDebugPrivilege	2068	St.exe
Token: SeDebugPrivilege	3788	St.exe
Token: SeDebugPrivilege	3128	St.exe
Token: SeDebugPrivilege	4892	St.exe
Token: SeDebugPrivilege	3800	St.exe
Token: SeDebugPrivilege	448	St.exe
Token: SeDebugPrivilege	4832	St.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 1368	4516	X.exe	89
PID 4516 wrote to memory of 1368	4516	X.exe	89
PID 4516 wrote to memory of 1676	4516	X.exe	93
PID 4516 wrote to memory of 1676	4516	X.exe	93
PID 4516 wrote to memory of 3352	4516	X.exe	95
PID 4516 wrote to memory of 3352	4516	X.exe	95
PID 4516 wrote to memory of 712	4516	X.exe	97
PID 4516 wrote to memory of 712	4516	X.exe	97
PID 4516 wrote to memory of 4672	4516	X.exe	99
PID 4516 wrote to memory of 4672	4516	X.exe	99

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\X.exe
"C:\Users\Admin\AppData\Local\Temp\X.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516
- 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\X.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1368
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1676
- 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\St.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3352
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'St.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:712
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "St" /tr "C:\Users\Admin\AppData\Local\Temp\St.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4672

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2168

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3420

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2944

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:752

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2772

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1652

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3088

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4852

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2688

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1004

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4420

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2540

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4856

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2656

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4896

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3136

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:400

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4668

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

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1404

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3144

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4560

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3692

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2068

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3788

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3128

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4892

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3800

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:448

C:\Users\Admin\AppData\Local\Temp\St.exe
C:\Users\Admin\AppData\Local\Temp\St.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\St.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
e243a38635ff9a06c87c2a61a2200656

SHA1
ecd95ed5bf1a9fbe96a8448fc2814a0210fa2afc

SHA256
af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f

SHA512
4418957a1b10eee44cf270c81816ae707352411c4f5ac14b6b61ab537c91480e24e0a0a2c276a6291081b4984c123cf673a45dcedb0ceeef682054ba0fc19cb4

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

Filesize
944B

MD5
83685d101174171875b4a603a6c2a35c

SHA1
37be24f7c4525e17fa18dbd004186be3a9209017

SHA256
0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870

SHA512
005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5

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

Filesize
944B

MD5
3db1c0d23daacf01eb99125ccc2787d3

SHA1
0849528de1ba411279231d635d8f39d54cc829d2

SHA256
bceb96f5c3d31447980eb8cd891bba75b3e5b6eb60abf4d829fc13cd8faf2582

SHA512
3d84635a3395bca1d91ce182ccfb9e38c8da87ad678704673a72d580e4251cedc5a6b2a89040a172a5687b67952e74a13673bd115bce7bdabaed06f89323de5b

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

Filesize
63KB

MD5
f16a3a537f873f3e7bd334d6cf93c525

SHA1
4fbedba1adbeda56019534b1bf74ff47ed814e61

SHA256
ba599c53479ad87732d7d5dab8a4cca44bb55cbc134e6054ddb6414e9cfd1508

SHA512
032ec3782acaa2d21b24b8aae659e2bede424e594fee00aafbcf66840a8fd048fceae7ef2a8ad449a38590041d241c7edd1c219e9b5ffb3b5e8993a01ba4011a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ky21p0z4.yk3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1368-12-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

Filesize
10.8MB

Download
memory/1368-17-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

Filesize
10.8MB

Download
memory/1368-14-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

Filesize
10.8MB

Download
memory/1368-13-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

Filesize
10.8MB

Download
memory/1368-2-0x000001F7BEA80000-0x000001F7BEAA2000-memory.dmp

Filesize
136KB

Download
memory/4516-0-0x00007FF89F4D3000-0x00007FF89F4D5000-memory.dmp

Filesize
8KB

Download
memory/4516-56-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

Filesize
10.8MB

Download
memory/4516-57-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

Filesize
10.8MB

Download
memory/4516-1-0x0000000000540000-0x0000000000556000-memory.dmp

Filesize
88KB

Download