xworm | 6fc07b159dc07440be552269b3744451ffb4de70d31cbb42ac26e153c02c57c2

General

Target

агу агу.exe
Size

66KB
MD5

5c434aad5f00636f72eacd2629bd94d3
SHA1

97d58aa930ca9033c03225f227643c0d3f363565
SHA256

6fc07b159dc07440be552269b3744451ffb4de70d31cbb42ac26e153c02c57c2
SHA512

aa193cc01233441f47e57b447b53fc337da9d93e4e4b012d2f298e0899e474e06ef678098cad6d31d47d4c208702d6a4953f34eb228fd71569d0e7f1959f87ac
SSDEEP

1536:pumiy1u+SnmhVvUdp6S7rbxIsaM26/OkDBUs0:Dw+S6Od4YrbxI8OsBUx

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

positive-you.gl.at.ply.gg:16734

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot7343225892:AAGJ-_TVGwSK_6PGyafbOWbFKwsijptXrto/sendMessage?chat_id=944774411

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral3/memory/3800-1-0x0000000000740000-0x0000000000756000-memory.dmp	family_xworm
behavioral3/files/0x000e000000023444-58.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
968	powershell.exe
3924	powershell.exe
4412	powershell.exe
4040	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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	агу агу.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	svchost

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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost"	агу агу.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.

flow	ioc
9	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

pid	Process
3928	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

pid	Process
5100	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
968	powershell.exe
968	powershell.exe
3924	powershell.exe
3924	powershell.exe
4412	powershell.exe
4412	powershell.exe
4040	powershell.exe
4040	powershell.exe
3800	агу агу.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3800	агу агу.exe
Token: SeDebugPrivilege	968	powershell.exe
Token: SeDebugPrivilege	3924	powershell.exe
Token: SeDebugPrivilege	4412	powershell.exe
Token: SeDebugPrivilege	4040	powershell.exe
Token: SeDebugPrivilege	3800	агу агу.exe
Token: SeDebugPrivilege	4360	svchost

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3800	агу агу.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 968	3800	агу агу.exe	88
PID 3800 wrote to memory of 968	3800	агу агу.exe	88
PID 3800 wrote to memory of 3924	3800	агу агу.exe	90
PID 3800 wrote to memory of 3924	3800	агу агу.exe	90
PID 3800 wrote to memory of 4412	3800	агу агу.exe	92
PID 3800 wrote to memory of 4412	3800	агу агу.exe	92
PID 3800 wrote to memory of 4040	3800	агу агу.exe	94
PID 3800 wrote to memory of 4040	3800	агу агу.exe	94
PID 3800 wrote to memory of 5100	3800	агу агу.exe	96
PID 3800 wrote to memory of 5100	3800	агу агу.exe	96
PID 3800 wrote to memory of 3952	3800	агу агу.exe	110
PID 3800 wrote to memory of 3952	3800	агу агу.exe	110
PID 3800 wrote to memory of 1616	3800	агу агу.exe	112
PID 3800 wrote to memory of 1616	3800	агу агу.exe	112
PID 1616 wrote to memory of 3928	1616	cmd.exe	114
PID 1616 wrote to memory of 3928	1616	cmd.exe	114

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\агу агу.exe
"C:\Users\Admin\AppData\Local\Temp\агу агу.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3800
- 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\агу агу.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:968
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'агу агу.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3924
- 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\svchost'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4412
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4040
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5100
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "svchost"
  2⤵
  PID:3952
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2DC2.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3928

C:\Users\Admin\AppData\Roaming\svchost
C:\Users\Admin\AppData\Roaming\svchost
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
440cb38dbee06645cc8b74d51f6e5f71

SHA1
d7e61da91dc4502e9ae83281b88c1e48584edb7c

SHA256
8ef7a682dfd99ff5b7e9de0e1be43f0016d68695a43c33c028af2635cc15ecfe

SHA512
3aab19578535e6ba0f6beb5690c87d970292100704209d2dcebddcdd46c6bead27588ef5d98729bfd50606a54cc1edf608b3d15bef42c13b9982aaaf15de7fd6

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

Filesize
944B

MD5
380007fbdf9fef355db2afd71fce9cd1

SHA1
e98802ef10fac8ef96a3210930784c317ca76fa0

SHA256
6353a11014d2c1495ac7a5efef195d06d8e8b30a163c437263361deb5a28de03

SHA512
9790c6b4c16ed4f4e6cddf492d01a6b4963e20bde6ddf40017db20ffc672b0cfaea2ad6aebcb51e8e459682974be0d024b35546aad840051a1e9fe2d3e565bd5

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

Filesize
944B

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

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

Filesize
944B

MD5
17400c82fd4488eb713339754b4253ea

SHA1
b8b34c64ac58017f8299adef40d509ffcd40819b

SHA256
9673f105169ed443b651abe6c73902d3e2cee6919f293f772dae764eda56f917

SHA512
d0290e9d36855c4eb50494faae0061457e632f14a481b52d9679d43d5d946e969c90f1845f6e4457774e895487a75d53bb45053baa55c8b1e39d9be6f392f414

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pwrybh1l.p4l.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2DC2.tmp.bat

Filesize
165B

MD5
28fa31562e9084bf87b32d6ba84f08cc

SHA1
c9432a401ef4e363f578b764cfadb5c3d3be7162

SHA256
a908c0542939c968bf47921466906ab5169835a8567c6ba84430d5a7ecc2af19

SHA512
fa1610b49b3defacfa5b3d9e673868fbc956f660b3e9f6f3e5c121dafab93e5a01f5a45fb4c5451ef0bf003a96f2e447f3a0c3cebc28c164bfea2c68dffe2d52

Download Submit
C:\Users\Admin\AppData\Roaming\svchost

Filesize
66KB

MD5
5c434aad5f00636f72eacd2629bd94d3

SHA1
97d58aa930ca9033c03225f227643c0d3f363565

SHA256
6fc07b159dc07440be552269b3744451ffb4de70d31cbb42ac26e153c02c57c2

SHA512
aa193cc01233441f47e57b447b53fc337da9d93e4e4b012d2f298e0899e474e06ef678098cad6d31d47d4c208702d6a4953f34eb228fd71569d0e7f1959f87ac

Download Submit
memory/968-13-0x000001FA57AF0000-0x000001FA57B12000-memory.dmp

Filesize
136KB

Download
memory/968-18-0x000001FA57C40000-0x000001FA57E5C000-memory.dmp

Filesize
2.1MB

Download
memory/968-19-0x00007FFD95460000-0x00007FFD95F21000-memory.dmp

Filesize
10.8MB

Download
memory/968-15-0x00007FFD95460000-0x00007FFD95F21000-memory.dmp

Filesize
10.8MB

Download
memory/968-14-0x00007FFD95460000-0x00007FFD95F21000-memory.dmp

Filesize
10.8MB

Download
memory/968-3-0x00007FFD95460000-0x00007FFD95F21000-memory.dmp

Filesize
10.8MB

Download
memory/3800-1-0x0000000000740000-0x0000000000756000-memory.dmp

Filesize
88KB

Download
memory/3800-56-0x00007FFD95463000-0x00007FFD95465000-memory.dmp

Filesize
8KB

Download
memory/3800-57-0x00007FFD95460000-0x00007FFD95F21000-memory.dmp

Filesize
10.8MB

Download
memory/3800-2-0x00007FFD95460000-0x00007FFD95F21000-memory.dmp

Filesize
10.8MB

Download
memory/3800-64-0x00007FFD95460000-0x00007FFD95F21000-memory.dmp

Filesize
10.8MB

Download
memory/3800-0-0x00007FFD95463000-0x00007FFD95465000-memory.dmp

Filesize
8KB

Download
memory/4040-54-0x00000254F65F0000-0x00000254F680C000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads