xworm | 3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3

General

Target

3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe
Size

2.4MB
MD5

7ab47cbee028ace83cac84f0f5cde714
SHA1

b84f3f5aa68209f2a73acc2377727b8e481f3287
SHA256

3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3
SHA512

a4d09b2401b779bf352413f341ae9a982b3914192cc7f377a5943be827b43797e4825919fe6d7230364c26db25ccf96f205daddb5cbab12ba623f56afbd42ee9
SSDEEP

49152:+2uqU+xRoatgQBJKweR4RF8gAGBJ7dj9Shv68pd3hm/F4OGP6J:+2uOxRoaOQBEws4gWrhcoq3HOzJ

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

C2

93.123.109.89:7000

Attributes

Install_directory
%Temp%
install_file
ApplicationFrameHost.exe
telegram
https://api.telegram.org/bot7026989332:AAGmlQvBZEqqtR_5LGfdSJ8B_oJ6WH5oCYY

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c8d-14.dat	family_xworm
behavioral2/memory/1508-22-0x0000000000CA0000-0x0000000000CB8000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Checks computer location settings 2 TTPs 2 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	ApplicationFrameHost.exe

Executes dropped EXE 4 IoCs

pid	Process
4804	Ocean.exe
1508	ApplicationFrameHost.exe
2332	ApplicationFrameHost.exe
1428	ApplicationFrameHost.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
15	ip-api.com

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1424	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1508	ApplicationFrameHost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1508	ApplicationFrameHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4804	Ocean.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	ApplicationFrameHost.exe
Token: SeDebugPrivilege	2332	ApplicationFrameHost.exe
Token: SeDebugPrivilege	1428	ApplicationFrameHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4804	Ocean.exe
1508	ApplicationFrameHost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 4804	3776	3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe	85
PID 3776 wrote to memory of 4804	3776	3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe	85
PID 3776 wrote to memory of 1508	3776	3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe	86
PID 3776 wrote to memory of 1508	3776	3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe	86
PID 1508 wrote to memory of 1424	1508	ApplicationFrameHost.exe	90
PID 1508 wrote to memory of 1424	1508	ApplicationFrameHost.exe	90

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe
"C:\Users\Admin\AppData\Local\Temp\3668c5ce7620f92e5f39cea22c67bb89132718ad3799582ea326df60882572f3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Users\Admin\AppData\Local\Temp\Ocean.exe
  "C:\Users\Admin\AppData\Local\Temp\Ocean.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:4804
- C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe
  "C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ApplicationFrameHost" /tr "C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1424

C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2332

C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

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\ApplicationFrameHost.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Temp\ApplicationFrameHost.exe

Filesize
73KB

MD5
59304b625ddc6fa1d95bc09cf84b2fa6

SHA1
e3e14f54a6471570c3e10cc257fa8bedd5492d49

SHA256
440e5bf83310276bef2e72668283fda8eb1e84bdf902632fe0571bfe1ba61204

SHA512
0309e04719424ad52b9bf07c8801ace891b8ffdc1c1f69bae7269086ef296f576bd89d9b1a70b62d4545d83b952439b12de5b17d6e51a187068dd222414ec167

Download Submit
C:\Users\Admin\AppData\Local\Temp\Ocean.exe

Filesize
2.3MB

MD5
286efca498147dedaf4169e9bb297b52

SHA1
a88b65dc85d209a26da56c1d31fc63edb99d0819

SHA256
de824109d13ae96a87c2cfabbc650e05765e1ae36ebe69c4bf16d253f3e7f53d

SHA512
3b4149969308e53bf4f37af4f71d47199f6ba0198fd6e9b0a937daf11c728bdf2f695aa2400c1ee0db7708ed5e48b1cce5596b7a5cce9cafa21e6de8eb5c9ad6

Download Submit
memory/1508-22-0x0000000000CA0000-0x0000000000CB8000-memory.dmp

Filesize
96KB

Download
memory/1508-23-0x00007FF9DC8D0000-0x00007FF9DD391000-memory.dmp

Filesize
10.8MB

Download
memory/1508-24-0x00007FF9DC8D0000-0x00007FF9DD391000-memory.dmp

Filesize
10.8MB

Download
memory/3776-0-0x00007FF9DC8D3000-0x00007FF9DC8D5000-memory.dmp

Filesize
8KB

Download
memory/3776-1-0x0000000000520000-0x0000000000792000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads