xworm | 12d59b63b5e8301d2f5a55e47931d91d2e17a1bcefc6941afe45c777222314a9

General

Target

ee14a993b4f9bf8b3f0421f0a44c2057.exe
Size

32KB
MD5

ee14a993b4f9bf8b3f0421f0a44c2057
SHA1

e5c03509023e186e2b5dbe92262e4d8b70c406ff
SHA256

12d59b63b5e8301d2f5a55e47931d91d2e17a1bcefc6941afe45c777222314a9
SHA512

39e1b4f68385b3b1ab7111be06c0a309d09967571dfc809aa8ba5b8c06a6799606a838e47bed750e5870a6cfe163617041eb317fd9224ff98fc956372920def3
SSDEEP

384:y+wOeemMOdqtlbRHvEdEmPLtzVFyXyLgZgJaqbNyHBw0V5AR8gtFqBLTm9zZwXJP:lEugjBzGWg6YvBzVOXFh9WkO/h+/zW

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

Mutex

h5HhCg9MKR6vgFJb

Attributes

Install_directory
%AppData%
install_file
USB.exe
pastebin_url
https://pastebin.com/raw/djZsmRNC

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2308-1-0x0000000001180000-0x000000000118E000-memory.dmp	family_xworm
behavioral1/files/0x00090000000120fe-10.dat	family_xworm
behavioral1/memory/2772-13-0x0000000000110000-0x000000000011E000-memory.dmp	family_xworm
behavioral1/memory/2852-16-0x0000000000AB0000-0x0000000000ABE000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ee14a993b4f9bf8b3f0421f0a44c2057.lnk	ee14a993b4f9bf8b3f0421f0a44c2057.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ee14a993b4f9bf8b3f0421f0a44c2057.lnk	ee14a993b4f9bf8b3f0421f0a44c2057.exe

Executes dropped EXE 2 IoCs

pid	Process
2772	ee14a993b4f9bf8b3f0421f0a44c2057.exe
2852	ee14a993b4f9bf8b3f0421f0a44c2057.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 39 IoCs

Web Service

T1102

flow	ioc
5	pastebin.com
6	pastebin.com
41	pastebin.com
42	pastebin.com
7	pastebin.com
14	pastebin.com
22	pastebin.com
36	pastebin.com
4	pastebin.com
13	pastebin.com
15	pastebin.com
19	pastebin.com
29	pastebin.com
31	pastebin.com
18	pastebin.com
20	pastebin.com
26	pastebin.com
32	pastebin.com
10	pastebin.com
12	pastebin.com
16	pastebin.com
28	pastebin.com
38	pastebin.com
39	pastebin.com
40	pastebin.com
8	pastebin.com
9	pastebin.com
17	pastebin.com
24	pastebin.com
33	pastebin.com
34	pastebin.com
11	pastebin.com
21	pastebin.com
23	pastebin.com
25	pastebin.com
27	pastebin.com
30	pastebin.com
35	pastebin.com
37	pastebin.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
484	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	ee14a993b4f9bf8b3f0421f0a44c2057.exe
Token: SeDebugPrivilege	2772	ee14a993b4f9bf8b3f0421f0a44c2057.exe
Token: SeDebugPrivilege	2852	ee14a993b4f9bf8b3f0421f0a44c2057.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 484	2308	ee14a993b4f9bf8b3f0421f0a44c2057.exe	30
PID 2308 wrote to memory of 484	2308	ee14a993b4f9bf8b3f0421f0a44c2057.exe	30
PID 2308 wrote to memory of 484	2308	ee14a993b4f9bf8b3f0421f0a44c2057.exe	30
PID 2664 wrote to memory of 2772	2664	taskeng.exe	33
PID 2664 wrote to memory of 2772	2664	taskeng.exe	33
PID 2664 wrote to memory of 2772	2664	taskeng.exe	33
PID 2664 wrote to memory of 2852	2664	taskeng.exe	34
PID 2664 wrote to memory of 2852	2664	taskeng.exe	34
PID 2664 wrote to memory of 2852	2664	taskeng.exe	34

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\ee14a993b4f9bf8b3f0421f0a44c2057.exe
"C:\Users\Admin\AppData\Local\Temp\ee14a993b4f9bf8b3f0421f0a44c2057.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ee14a993b4f9bf8b3f0421f0a44c2057" /tr "C:\Users\Admin\AppData\Roaming\ee14a993b4f9bf8b3f0421f0a44c2057.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:484

C:\Windows\system32\taskeng.exe
taskeng.exe {E29B9CE4-BB38-47E8-991D-4D17BB5EDEA7} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Roaming\ee14a993b4f9bf8b3f0421f0a44c2057.exe
  C:\Users\Admin\AppData\Roaming\ee14a993b4f9bf8b3f0421f0a44c2057.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Users\Admin\AppData\Roaming\ee14a993b4f9bf8b3f0421f0a44c2057.exe
  C:\Users\Admin\AppData\Roaming\ee14a993b4f9bf8b3f0421f0a44c2057.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2852

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

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ee14a993b4f9bf8b3f0421f0a44c2057.exe

Filesize
32KB

MD5
ee14a993b4f9bf8b3f0421f0a44c2057

SHA1
e5c03509023e186e2b5dbe92262e4d8b70c406ff

SHA256
12d59b63b5e8301d2f5a55e47931d91d2e17a1bcefc6941afe45c777222314a9

SHA512
39e1b4f68385b3b1ab7111be06c0a309d09967571dfc809aa8ba5b8c06a6799606a838e47bed750e5870a6cfe163617041eb317fd9224ff98fc956372920def3

Download Submit
memory/2308-0-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp

Filesize
4KB

Download
memory/2308-1-0x0000000001180000-0x000000000118E000-memory.dmp

Filesize
56KB

Download
memory/2308-8-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download
memory/2308-9-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download
memory/2772-13-0x0000000000110000-0x000000000011E000-memory.dmp

Filesize
56KB

Download
memory/2852-16-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads