xworm | 3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f

General

Target

3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe
Size

166KB
MD5

67183ea2fdfbaace4c265de91e218c59
SHA1

a66c33b7d7d27bc5153f53d672b2f7c7d36c2ae8
SHA256

3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f
SHA512

0eca1d1f216e81c6000ab24d9c25f25ed5f6d7a2d5b97c73093ffb771c399e8b98e1b95890ff0d0326a6f00f9c2606947c03aa91a30c9b7d0106b34dc0978622
SSDEEP

3072:ubYexkjTk/btjQAzsOSrDGM+lmsolAIrRuw+mqv9j1MWLQZ:u0e62byAzw+lDAA

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

93.123.39.225:7000

Attributes

Install_directory
%AppData%
install_file
XClient.exe
telegram
https://api.telegram.org/bot6769459273:AAE8rusUI57P-Uj11j60b70AidMpGMPPq1E/sendMessage?chat_id=6862736136

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4568-0-0x0000000000B70000-0x0000000000BA0000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.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-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2556	powershell.exe
2556	powershell.exe
2556	powershell.exe
4836	powershell.exe
4836	powershell.exe
4836	powershell.exe
1276	powershell.exe
1276	powershell.exe
1276	powershell.exe
884	powershell.exe
884	powershell.exe
884	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe
Token: SeDebugPrivilege	2556	powershell.exe
Token: SeDebugPrivilege	4836	powershell.exe
Token: SeDebugPrivilege	1276	powershell.exe
Token: SeDebugPrivilege	884	powershell.exe
Token: SeDebugPrivilege	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 2556	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	97
PID 4568 wrote to memory of 2556	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	97
PID 4568 wrote to memory of 4836	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	99
PID 4568 wrote to memory of 4836	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	99
PID 4568 wrote to memory of 1276	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	102
PID 4568 wrote to memory of 1276	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	102
PID 4568 wrote to memory of 884	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	104
PID 4568 wrote to memory of 884	4568	3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe	104

C:\Users\Admin\AppData\Local\Temp\3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe
"C:\Users\Admin\AppData\Local\Temp\3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568
- 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\3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2556
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '3f1e8e3609e6ffd53453d5ce0ca33dc7eaf06e55085d7f6c43d0c4b6df1f974f.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4836
- 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\XClient.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1276
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

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
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

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

Filesize
944B

MD5
fa8d1461e4feb2c39654e3a555a027f8

SHA1
0ca46b8961ceba8f9da31de5ed2408643fc89141

SHA256
7e26e4f0ef3a7d2904818a691429789c4781029ff4aab697c3b7c9a4287d661f

SHA512
e486b8f029c7eec60b6b2b5603390330afb1ddf627cc01c511808c47e68676b4c429b9f75fd4e16e48b496dccfe8cc8ec4a35825e1e889e66571acb6c03e0869

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

Filesize
944B

MD5
34f595487e6bfd1d11c7de88ee50356a

SHA1
4caad088c15766cc0fa1f42009260e9a02f953bb

SHA256
0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d

SHA512
10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jqxuyunk.afx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/884-59-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/884-64-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/884-62-0x000002671A110000-0x000002671A120000-memory.dmp

Filesize
64KB

Download
memory/884-61-0x000002671A110000-0x000002671A120000-memory.dmp

Filesize
64KB

Download
memory/884-60-0x000002671A110000-0x000002671A120000-memory.dmp

Filesize
64KB

Download
memory/1276-44-0x0000012581090000-0x00000125810A0000-memory.dmp

Filesize
64KB

Download
memory/1276-43-0x0000012581090000-0x00000125810A0000-memory.dmp

Filesize
64KB

Download
memory/1276-47-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/1276-38-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/2556-17-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/2556-4-0x0000021451460000-0x0000021451482000-memory.dmp

Filesize
136KB

Download
memory/2556-5-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/2556-10-0x00000214513E0000-0x00000214513F0000-memory.dmp

Filesize
64KB

Download
memory/2556-9-0x00000214513E0000-0x00000214513F0000-memory.dmp

Filesize
64KB

Download
memory/4568-1-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/4568-57-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/4568-0-0x0000000000B70000-0x0000000000BA0000-memory.dmp

Filesize
192KB

Download
memory/4568-69-0x000000001BA00000-0x000000001BA10000-memory.dmp

Filesize
64KB

Download
memory/4568-70-0x000000001BA00000-0x000000001BA10000-memory.dmp

Filesize
64KB

Download
memory/4836-32-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download
memory/4836-20-0x000001549A370000-0x000001549A380000-memory.dmp

Filesize
64KB

Download
memory/4836-19-0x00007FF86EE30000-0x00007FF86F8F1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads