xworm | ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b

General

Target

ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe
Size

99KB
MD5

70481cef66610d13de32339230ddcfd1
SHA1

39d19ccc6c1d77fe62d39b7eda95559bd2969f16
SHA256

ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b
SHA512

75e0f65e0a2957a20796c93654ccde195f9c53d821c25a260c4203a2170aa821dbfc9c1ce3b165a41a23d44ef7c033076f1da9fe2691b2087c60b89dce8a63a7
SSDEEP

1536:gCg7wHl8aTciGekb5jPHyZ6xnOEiXChiH0hLP+VVVVVVVVVVVVVVVVVVVVVVVVVm:Gi8ScRekb5DnOEiXbH0hLND

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:44495

death-manor.gl.at.ply.gg:44495

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4560-1-0x00000000001D0000-0x00000000001EE000-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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2184	powershell.exe
2876	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2184	powershell.exe
2184	powershell.exe
2876	powershell.exe
2876	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4560	ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe
Token: SeDebugPrivilege	2184	powershell.exe
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	4560	ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 2184	4560	ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe	90
PID 4560 wrote to memory of 2184	4560	ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe	90
PID 4560 wrote to memory of 2876	4560	ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe	94
PID 4560 wrote to memory of 2876	4560	ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe	94

C:\Users\Admin\AppData\Local\Temp\ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe
"C:\Users\Admin\AppData\Local\Temp\ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560
- 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\ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2184
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

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
2979eabc783eaca50de7be23dd4eafcf

SHA1
d709ce5f3a06b7958a67e20870bfd95b83cad2ea

SHA256
006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

SHA512
92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rmmip05q.m0y.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2184-12-0x00007FFC5AD00000-0x00007FFC5B7C1000-memory.dmp

Filesize
10.8MB

Download
memory/2184-13-0x00007FFC5AD00000-0x00007FFC5B7C1000-memory.dmp

Filesize
10.8MB

Download
memory/2184-14-0x00007FFC5AD00000-0x00007FFC5B7C1000-memory.dmp

Filesize
10.8MB

Download
memory/2184-15-0x00007FFC5AD00000-0x00007FFC5B7C1000-memory.dmp

Filesize
10.8MB

Download
memory/2184-18-0x00007FFC5AD00000-0x00007FFC5B7C1000-memory.dmp

Filesize
10.8MB

Download
memory/2184-2-0x000001CE12D60000-0x000001CE12D82000-memory.dmp

Filesize
136KB

Download
memory/4560-0-0x00007FFC5AD03000-0x00007FFC5AD05000-memory.dmp

Filesize
8KB

Download
memory/4560-1-0x00000000001D0000-0x00000000001EE000-memory.dmp

Filesize
120KB

Download
memory/4560-31-0x00007FFC5AD00000-0x00007FFC5B7C1000-memory.dmp

Filesize
10.8MB

Download
memory/4560-32-0x00007FFC5AD00000-0x00007FFC5B7C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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