xworm | e7e795081463df553e8f6677d0e99eefd372bc0f4144f77e1fb1e0961ff1f0dd

General

Target

hyper13124234_Slayed.exe
Size

217KB
MD5

407d0a8b560f6199d29734c3d1028978
SHA1

cafcced9d267e90a05ffb766170a2c508a7fc431
SHA256

e7e795081463df553e8f6677d0e99eefd372bc0f4144f77e1fb1e0961ff1f0dd
SHA512

d217b2868c4098b16d776c1069400596b93b8f0792cde6f18917982c7d4bf8fd0bbc4c8d8934dbdf861b6410f637b36c528626e368bb960e9cf1c88bbde218de
SSDEEP

3072:VTGHO7A7ht0uoe1DGmh4ellaCzSnKi8uhGP6/whgSP:VTGHO+tBDueJDPs9

Score

10^/10

Malware Config

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2624-3-0x000002031EEA0000-0x000002031EEB6000-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 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3304	powershell.exe
2636	powershell.exe
4968	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	hyper13124234_Slayed.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hyper13124234_Slayed = "C:\\Users\\Admin\\AppData\\Roaming\\hyper13124234_Slayed.exe"	hyper13124234_Slayed.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
14	ip-api.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3304	powershell.exe
3304	powershell.exe
2636	powershell.exe
2636	powershell.exe
4968	powershell.exe
4968	powershell.exe
2624	hyper13124234_Slayed.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	hyper13124234_Slayed.exe
Token: SeDebugPrivilege	3304	powershell.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	4968	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2624	hyper13124234_Slayed.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 3304	2624	hyper13124234_Slayed.exe	83
PID 2624 wrote to memory of 3304	2624	hyper13124234_Slayed.exe	83
PID 2624 wrote to memory of 2636	2624	hyper13124234_Slayed.exe	85
PID 2624 wrote to memory of 2636	2624	hyper13124234_Slayed.exe	85
PID 2624 wrote to memory of 4968	2624	hyper13124234_Slayed.exe	87
PID 2624 wrote to memory of 4968	2624	hyper13124234_Slayed.exe	87

C:\Users\Admin\AppData\Local\Temp\hyper13124234_Slayed.exe
"C:\Users\Admin\AppData\Local\Temp\hyper13124234_Slayed.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:2624
- 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\hyper13124234_Slayed.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3304
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'hyper13124234_Slayed.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- 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\hyper13124234_Slayed.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4968

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
e60eb305a7b2d9907488068b7065abd3

SHA1
1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

SHA256
ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

SHA512
95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_abt24zwr.lma.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2624-3-0x000002031EEA0000-0x000002031EEB6000-memory.dmp

Filesize
88KB

Download
memory/2624-0-0x00007FFA2AAA3000-0x00007FFA2AAA5000-memory.dmp

Filesize
8KB

Download
memory/2624-2-0x00007FFA2AAA0000-0x00007FFA2B561000-memory.dmp

Filesize
10.8MB

Download
memory/2624-1-0x000002031D0F0000-0x000002031D12C000-memory.dmp

Filesize
240KB

Download
memory/2624-44-0x00007FFA2AAA3000-0x00007FFA2AAA5000-memory.dmp

Filesize
8KB

Download
memory/2624-45-0x00007FFA2AAA0000-0x00007FFA2B561000-memory.dmp

Filesize
10.8MB

Download
memory/3304-9-0x00000177E9EB0000-0x00000177E9ED2000-memory.dmp

Filesize
136KB

Download
memory/3304-14-0x00007FFA2AAA0000-0x00007FFA2B561000-memory.dmp

Filesize
10.8MB

Download
memory/3304-15-0x00007FFA2AAA0000-0x00007FFA2B561000-memory.dmp

Filesize
10.8MB

Download
memory/3304-16-0x00007FFA2AAA0000-0x00007FFA2B561000-memory.dmp

Filesize
10.8MB

Download
memory/3304-19-0x00007FFA2AAA0000-0x00007FFA2B561000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads