xworm | 7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa

General

Target

7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
Size

238KB
MD5

bac16142016d690c8769d21668736653
SHA1

4b7c1ca4e7b8739c739980c0b830010a87ceff13
SHA256

7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa
SHA512

50659e8e0e05180ad0acb27b46cfbe7ccdbce8ba97f240b3e6c7e1084e8afaa0624fd1eff82b830c3eb25db45596f6a437bd0cd9ef9d2a3f83fb80f4d015437f
SSDEEP

6144:mDp5I4So24RJMMC1RK4/mUGGR5nvn/4eHZZ+cvlFq9yu6x8vTeVYNLjoqQkeDR2r:mDp5I4So24RJM11RK4/mUGGR5nvn/4eQ

Score

10^/10

Malware Config

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1208-1-0x00000000006F0000-0x0000000000732000-memory.dmp	family_xworm
behavioral2/files/0x000500000001dc0c-8.dat	family_xworm

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

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-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe

Executes dropped EXE 2 IoCs

pid	Process
4188	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
4760	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.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-1-5-21-1874072718-2205492803-118941907-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa = "C:\\Users\\Admin\\AppData\\Roaming\\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe"	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe

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
2212	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1208	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
Token: SeDebugPrivilege	4188	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
Token: SeDebugPrivilege	4760	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 2212	1208	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe	88
PID 1208 wrote to memory of 2212	1208	7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe	88

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\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
"C:\Users\Admin\AppData\Local\Temp\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa" /tr "C:\Users\Admin\AppData\Roaming\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2212

C:\Users\Admin\AppData\Roaming\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
C:\Users\Admin\AppData\Roaming\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4188

C:\Users\Admin\AppData\Roaming\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
C:\Users\Admin\AppData\Roaming\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe.log

Filesize
1KB

MD5
fde7cc81ed0c50e7ce18702102f19ace

SHA1
e9f02b348fda9b22bb3999b4ebef4d366f153086

SHA256
00ac4add3fbf73f31bdeb249969dddc68da554c9e9383ec524d63c64dc3f4b53

SHA512
75bf55c4f619948f16e29f51008d026e7789eda82615f566b150d54f5769b64d7fe1a6ff8be458e2630be621c551183dfe272ce0a579024065cbc2b4b26f4bf5

Download Submit
C:\Users\Admin\AppData\Roaming\7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa.exe

Filesize
238KB

MD5
bac16142016d690c8769d21668736653

SHA1
4b7c1ca4e7b8739c739980c0b830010a87ceff13

SHA256
7cd9183c01c3c913ea5ea3f0a9cfb0f9594bfae61e6582204786bc4d406614aa

SHA512
50659e8e0e05180ad0acb27b46cfbe7ccdbce8ba97f240b3e6c7e1084e8afaa0624fd1eff82b830c3eb25db45596f6a437bd0cd9ef9d2a3f83fb80f4d015437f

Download Submit
memory/1208-0-0x00007FFC92D53000-0x00007FFC92D55000-memory.dmp

Filesize
8KB

Download
memory/1208-1-0x00000000006F0000-0x0000000000732000-memory.dmp

Filesize
264KB

Download
memory/1208-2-0x00007FFC92D50000-0x00007FFC93811000-memory.dmp

Filesize
10.8MB

Download
memory/1208-6-0x00007FFC92D53000-0x00007FFC92D55000-memory.dmp

Filesize
8KB

Download
memory/1208-7-0x00007FFC92D50000-0x00007FFC93811000-memory.dmp

Filesize
10.8MB

Download
memory/4188-10-0x00007FFC92D50000-0x00007FFC93811000-memory.dmp

Filesize
10.8MB

Download
memory/4188-11-0x00007FFC92D50000-0x00007FFC93811000-memory.dmp

Filesize
10.8MB

Download
memory/4188-13-0x00007FFC92D50000-0x00007FFC93811000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads