xworm | 1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05

General

Target

1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe
Size

188KB
MD5

e796b778b392f06de4d340ec0f88b4cc
SHA1

32561bf3b022aef8a62bac3e820ef7e3bc648f57
SHA256

1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05
SHA512

dcdbeb8d1720b2bfe8ce8c2311414b71ec090eb94db53d379c08cbf7b17a25ac4bc9488315e867406bb1661a76df223c953f01c7d40997fdf9ccb20daaf4c8c7
SSDEEP

3072:2rhv4AbmL4mkbrz9EO7PvJKRUGKXs+S++7KFSbxeY+qDDrMn:2r7bmclbX3ZGqStKEbxI

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

23.ip.gl.ply.gg:57660

Attributes

Install_directory
%AppData%
install_file
msedge.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4492-1-0x0000000000100000-0x0000000000134000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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
4992	powershell.exe
3940	powershell.exe
1928	powershell.exe
2096	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msedge.lnk	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msedge.lnk	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msedge = "C:\\Users\\Admin\\AppData\\Roaming\\msedge.exe"	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3940	powershell.exe
3940	powershell.exe
1928	powershell.exe
1928	powershell.exe
2096	powershell.exe
2096	powershell.exe
4992	powershell.exe
4992	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe
Token: SeDebugPrivilege	3940	powershell.exe
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	2096	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 3940	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	90
PID 4492 wrote to memory of 3940	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	90
PID 4492 wrote to memory of 1928	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	93
PID 4492 wrote to memory of 1928	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	93
PID 4492 wrote to memory of 2096	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	96
PID 4492 wrote to memory of 2096	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	96
PID 4492 wrote to memory of 4992	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	98
PID 4492 wrote to memory of 4992	4492	1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe	98

C:\Users\Admin\AppData\Local\Temp\1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe
"C:\Users\Admin\AppData\Local\Temp\1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4492
- 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\1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '1ff08d4cbe1a41c10692941c7835b93ea5738057dc381cf4704136436911df05.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1928
- 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\msedge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2096
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'msedge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
63aec5618613b4be6bd15b82345a971e

SHA1
cf3df18b2ed2b082a513dd53e55afb720cefe40e

SHA256
f67a667039290434cad954285ef9a93ab76b848158bb7fd1f698bd76b5bdd721

SHA512
a6c3b084ae6b41b2c3a9acb90a6f52a5acaff3bd94927389aa6698d1f2713e494b2e8f190cbbc963d56d8d30d5644df0e5c616c1f081d19275e0803dc576a033

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

Filesize
944B

MD5
96e3b86880fedd5afc001d108732a3e5

SHA1
8fc17b39d744a9590a6d5897012da5e6757439a3

SHA256
c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294

SHA512
909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iyx5oqwd.wwi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3940-8-0x000001A0B83C0000-0x000001A0B83E2000-memory.dmp

Filesize
136KB

Download
memory/3940-14-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/3940-17-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/3940-13-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/3940-12-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/4492-0-0x00007FFDB5643000-0x00007FFDB5645000-memory.dmp

Filesize
8KB

Download
memory/4492-1-0x0000000000100000-0x0000000000134000-memory.dmp

Filesize
208KB

Download
memory/4492-56-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/4492-57-0x00007FFDB5640000-0x00007FFDB6101000-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