xworm | e667b46eeae63c0bfe3b4afdf674f88a3fede9b69fd01fae3ccb298841ae052a

General

Target

XClient.exe
Size

36KB
MD5

cae4f0fe50b987b855a556fb34778f8f
SHA1

bb51d9895c5a0ac8f87d0ab4ff5dce7c4bf0e332
SHA256

e667b46eeae63c0bfe3b4afdf674f88a3fede9b69fd01fae3ccb298841ae052a
SHA512

6a34663d6c9b557f596b7ca4b0ed828b55ca519405ffacabfe827fc003272c991ca3539d5ee14fe5f8dd3e58a8df026547afd8380a5c8cf300012c67a37faf1a
SSDEEP

768:veVXtHcDQZS9LR50UZmx/F89R36OOMhm7QJR:v8dH+t51OF89R36OOMc78

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

database-victoria.gl.at.ply.gg:55358

Mutex

D3IBrkox4lu2QKJO

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2496-1-0x0000000000A10000-0x0000000000A20000-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
2968	powershell.exe
2600	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2968	powershell.exe
2968	powershell.exe
2600	powershell.exe
2600	powershell.exe
2496	XClient.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	XClient.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeDebugPrivilege	2600	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2496	XClient.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2968	2496	XClient.exe	85
PID 2496 wrote to memory of 2968	2496	XClient.exe	85
PID 2496 wrote to memory of 2600	2496	XClient.exe	88
PID 2496 wrote to memory of 2600	2496	XClient.exe	88

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=5332,i,15097001321230888692,16543789583043501740,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:14
1⤵
PID:4720

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=4312,i,15097001321230888692,16543789583043501740,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:14
1⤵
PID:2724

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kv2f2g5g.y4h.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2496-1-0x0000000000A10000-0x0000000000A20000-memory.dmp

Filesize
64KB

Download
memory/2496-33-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2496-0-0x00007FFAA5493000-0x00007FFAA5495000-memory.dmp

Filesize
8KB

Download
memory/2496-32-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2600-31-0x00000267AEFB0000-0x00000267AF0FF000-memory.dmp

Filesize
1.3MB

Download
memory/2968-11-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2968-18-0x0000018F5B620000-0x0000018F5B76F000-memory.dmp

Filesize
1.3MB

Download
memory/2968-19-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2968-15-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2968-14-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2968-13-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2968-12-0x00007FFAA5490000-0x00007FFAA5F52000-memory.dmp

Filesize
10.8MB

Download
memory/2968-10-0x0000018F43160000-0x0000018F43182000-memory.dmp

Filesize
136KB

Download

Analysis

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