xworm | 53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df

General

Target

53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe
Size

255KB
MD5

e03c1771945c884883a82704a93ca453
SHA1

78609d9940ec6e59db7961ec2ac859c68ce81186
SHA256

53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df
SHA512

ed063720d08c2cd8b674101b5d457795ec570fee19c1e0747fd708428f7b8ae9736cfc02ace2fdc0040cc15019163fa86fba22147c68d77fc22be95d3343ab6d
SSDEEP

3072:sH++bXekOTbSiLvAzII9x66AOag74srxxVfPWKvQIFY623:snbGCqONxTGqQI+62

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

23.ip.gl.ply.gg:7972

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2404-1-0x0000000000B70000-0x0000000000BB6000-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
1888	powershell.exe
1884	powershell.exe
2524	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	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1884	powershell.exe
1884	powershell.exe
2524	powershell.exe
2524	powershell.exe
4992	powershell.exe
4992	powershell.exe
1888	powershell.exe
1888	powershell.exe
2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe
Token: SeDebugPrivilege	1884	powershell.exe
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	1888	powershell.exe
Token: SeDebugPrivilege	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1884	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	88
PID 2404 wrote to memory of 1884	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	88
PID 2404 wrote to memory of 2524	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	92
PID 2404 wrote to memory of 2524	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	92
PID 2404 wrote to memory of 4992	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	97
PID 2404 wrote to memory of 4992	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	97
PID 2404 wrote to memory of 1888	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	100
PID 2404 wrote to memory of 1888	2404	53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe	100

C:\Users\Admin\AppData\Local\Temp\53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe
"C:\Users\Admin\AppData\Local\Temp\53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2404
- 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\53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1884
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '53ffbe2e9c08961a21157be3a79fe0a33d19ec4bdae8cf2dc62c27f1fa4097df.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2524
- 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.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4992
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1888

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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
d8cb3e9459807e35f02130fad3f9860d

SHA1
5af7f32cb8a30e850892b15e9164030a041f4bd6

SHA256
2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

SHA512
045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

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

Filesize
944B

MD5
15dde0683cd1ca19785d7262f554ba93

SHA1
d039c577e438546d10ac64837b05da480d06bf69

SHA256
d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

SHA512
57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fzgf1tja.5a5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1884-12-0x00007FFFC21F0000-0x00007FFFC2CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1884-14-0x00007FFFC21F0000-0x00007FFFC2CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1884-17-0x00007FFFC21F0000-0x00007FFFC2CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1884-18-0x00007FFFC21F0000-0x00007FFFC2CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1884-13-0x00007FFFC21F0000-0x00007FFFC2CB1000-memory.dmp

Filesize
10.8MB

Download
memory/1884-2-0x00000169A3540000-0x00000169A3562000-memory.dmp

Filesize
136KB

Download
memory/1888-54-0x0000011CC7170000-0x0000011CC72DA000-memory.dmp

Filesize
1.4MB

Download
memory/2404-0-0x00007FFFC21F3000-0x00007FFFC21F5000-memory.dmp

Filesize
8KB

Download
memory/2404-31-0x00007FFFC21F3000-0x00007FFFC21F5000-memory.dmp

Filesize
8KB

Download
memory/2404-1-0x0000000000B70000-0x0000000000BB6000-memory.dmp

Filesize
280KB

Download
memory/2404-59-0x00007FFFC21F0000-0x00007FFFC2CB1000-memory.dmp

Filesize
10.8MB

Download
memory/2404-60-0x00007FFFC21F0000-0x00007FFFC2CB1000-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