xworm | 1949328e21492bd5664d52b585465a6dd2814f5a9d1268e5f0ab568841be1c72

General

Target

238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe
Size

142KB
MD5

238265888ac5a6b2f33c122d0657f4f0
SHA1

07e062b8de1716b5fbb0239956da1e3825b68f3c
SHA256

1949328e21492bd5664d52b585465a6dd2814f5a9d1268e5f0ab568841be1c72
SHA512

8201ea71ae12d6dc809eace4577c9d31a14786657439f439597169ff17b532adc57cfac5015e8df23f627d428e7aa47a72cc9ebc9040976b84e0958cf62f123f
SSDEEP

3072:BFQk3NG7xA4ViBKv4ePdmLcnLY0kOnRqsZYKFeZiOSOZpo6+fOas82:cy4YWldgcZkk5RFeZiOSapoXfs

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

region-vip.gl.at.ply.gg:52733

Attributes

Install_directory
%Temp%
install_file
explorer.exe
telegram
https://api.telegram.org/bot6976323003:AAGzNfsdTYlBPbGEbbSm--c7mAZ9PZzt9Xw/sendMessage?chat_id=5476035148

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\explorer.exe	family_xworm
behavioral2/memory/1752-27-0x0000000000910000-0x0000000000932000-memory.dmp	family_xworm

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

Nirsoft 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\RegScanner.exe	Nirsoft

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

Processes:

238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exeexplorer.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	explorer.exe

Executes dropped EXE 4 IoCs

Processes:

RegScanner.exeexplorer.exeexplorer.exeexplorer.exe

pid process

3960 RegScanner.exe
1752 explorer.exe
4352 explorer.exe
5008 explorer.exe

pid	process
3960	RegScanner.exe
1752	explorer.exe
4352	explorer.exe
5008	explorer.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe"	explorer.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3280 schtasks.exe

pid	process
3280	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

explorer.exeexplorer.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	1752	explorer.exe
Token: SeDebugPrivilege	1752	explorer.exe
Token: SeDebugPrivilege	4352	explorer.exe
Token: SeDebugPrivilege	5008	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exeexplorer.exe

description	pid	process	target process
PID 3700 wrote to memory of 3960	3700	238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe	RegScanner.exe
PID 3700 wrote to memory of 3960	3700	238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe	RegScanner.exe
PID 3700 wrote to memory of 1752	3700	238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe	explorer.exe
PID 3700 wrote to memory of 1752	3700	238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe	explorer.exe
PID 1752 wrote to memory of 3280	1752	explorer.exe	schtasks.exe
PID 1752 wrote to memory of 3280	1752	explorer.exe	schtasks.exe

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\238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\238265888ac5a6b2f33c122d0657f4f0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Users\Admin\AppData\Local\Temp\RegScanner.exe
  "C:\Users\Admin\AppData\Local\Temp\RegScanner.exe"
  2⤵
  - Executes dropped EXE
  PID:3960
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "explorer" /tr "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
    3⤵
    - Creates scheduled task(s)
    PID:3280

C:\Users\Admin\AppData\Local\Temp\explorer.exe
C:\Users\Admin\AppData\Local\Temp\explorer.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4352

C:\Users\Admin\AppData\Local\Temp\explorer.exe
C:\Users\Admin\AppData\Local\Temp\explorer.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

Filesize
159KB

MD5
3aab1e790e03dcd12ae192ac062907b6

SHA1
7f9b4ff6fa72d66e06cab33bf2dad14dd8bbafc4

SHA256
121e5480010adb6a81a8ecbcf91177ac2a0cc0969a65500c2db2287ddd584bc8

SHA512
938cfb2d4b15976c25a00d1b971ec0256df4aaefe7dc3900c5d8981768025d84ff60b938641b85bd6a832ef9aea44e9cf9239669aa856b463199d72eb6811b05

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

Filesize
111KB

MD5
5b1cd0426e2c9515966e5e7d84ef4e22

SHA1
7252df1ea8faeddaf3e9a8a335764b8a28b06e58

SHA256
6a1029fa87d2b4523f8f67c7cc47047b4e2ea0038d393fae18536b0f4843ac88

SHA512
7c83ad4c1b1d52e8fd364f9f7593a4a1101324d164d51494ff1499f518513e66883f683aedacdab39b5fc05316ebe2113bcf4df1a1de99933285a33235b81de1

Download Submit
memory/1752-28-0x00007FFF27DA0000-0x00007FFF28861000-memory.dmp

Filesize
10.8MB

Download
memory/1752-27-0x0000000000910000-0x0000000000932000-memory.dmp

Filesize
136KB

Download
memory/1752-29-0x000000001CAC0000-0x000000001CBC2000-memory.dmp

Filesize
1.0MB

Download
memory/1752-31-0x00007FFF27DA0000-0x00007FFF28861000-memory.dmp

Filesize
10.8MB

Download
memory/3700-0-0x00007FFF27DA3000-0x00007FFF27DA5000-memory.dmp

Filesize
8KB

Download
memory/3700-1-0x00000000001B0000-0x00000000001DA000-memory.dmp

Filesize
168KB

Download
memory/3700-21-0x00007FFF27DA0000-0x00007FFF28861000-memory.dmp

Filesize
10.8MB

Download
memory/3700-26-0x00007FFF27DA0000-0x00007FFF28861000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads