xworm | c96a0fddccd367dbc5422cd5e2036a3f987eccd1cf62a00f5a7b243a74ebcf22

General

Target

c njfrDAJ.exe
Size

140KB
MD5

445e516f9ca9d204baa359ee36edc8e0
SHA1

f5a3267afbc73c16620bcc3b332fadd8104d60bf
SHA256

c96a0fddccd367dbc5422cd5e2036a3f987eccd1cf62a00f5a7b243a74ebcf22
SHA512

e315de1fe895123950d88d7e4e9f0f57b3317abf3ebd09f8aa2916f105529b6f9b6ea834c8a318b9a7c565171c08580d5f727c3d043cc797f80f74f5ff141810
SSDEEP

768:Gmcgc7ptu0Nqf4v6hCuuJf27ZZfFWPG9/06OOwh2SjGbn621sIwEk4w00wM:hc7tu0EgwCuuJfKFv9/06OOw4SC+EA

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

147.185.221.22:29307

videos-gsm.gl.at.ply.gg:29307

Mutex

akkHSUfQR3bLHwnR

Attributes

Install_directory
%Temp%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3880-1-0x0000000000140000-0x0000000000168000-memory.dmp	family_xworm
behavioral2/files/0x0013000000023a7a-58.dat	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 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2756	powershell.exe
1756	powershell.exe
2416	powershell.exe
2372	powershell.exe

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	c njfrDAJ.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShibaGTV16.lnk	c njfrDAJ.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShibaGTV16.lnk	c njfrDAJ.exe

Executes dropped EXE 3 IoCs

pid	Process
4276	ShibaGTV16
4912	ShibaGTV16
4896	ShibaGTV16

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShibaGTV16 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ShibaGTV16"	c njfrDAJ.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
4204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2756	powershell.exe
2756	powershell.exe
1756	powershell.exe
1756	powershell.exe
2416	powershell.exe
2416	powershell.exe
2372	powershell.exe
2372	powershell.exe
3880	c njfrDAJ.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3880	c njfrDAJ.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeDebugPrivilege	2416	powershell.exe
Token: SeDebugPrivilege	2372	powershell.exe
Token: SeDebugPrivilege	3880	c njfrDAJ.exe
Token: SeDebugPrivilege	4276	ShibaGTV16
Token: SeDebugPrivilege	4912	ShibaGTV16
Token: SeDebugPrivilege	4896	ShibaGTV16

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3880	c njfrDAJ.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 2756	3880	c njfrDAJ.exe	89
PID 3880 wrote to memory of 2756	3880	c njfrDAJ.exe	89
PID 3880 wrote to memory of 1756	3880	c njfrDAJ.exe	93
PID 3880 wrote to memory of 1756	3880	c njfrDAJ.exe	93
PID 3880 wrote to memory of 2416	3880	c njfrDAJ.exe	95
PID 3880 wrote to memory of 2416	3880	c njfrDAJ.exe	95
PID 3880 wrote to memory of 2372	3880	c njfrDAJ.exe	97
PID 3880 wrote to memory of 2372	3880	c njfrDAJ.exe	97
PID 3880 wrote to memory of 4204	3880	c njfrDAJ.exe	99
PID 3880 wrote to memory of 4204	3880	c njfrDAJ.exe	99

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\c njfrDAJ.exe
"C:\Users\Admin\AppData\Local\Temp\c njfrDAJ.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3880
- 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\c njfrDAJ.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'c njfrDAJ.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1756
- 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\ShibaGTV16'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2416
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ShibaGTV16'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2372
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ShibaGTV16" /tr "C:\Users\Admin\AppData\Local\Temp\ShibaGTV16"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4204

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4276

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4912

C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
C:\Users\Admin\AppData\Local\Temp\ShibaGTV16
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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\ShibaGTV16.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
5fbb56518e82d1b1e5ef6be3b6693880

SHA1
4e7671d0193b6f640d81b3fb91ac17ca67e0632b

SHA256
760d5623e712e53485c80330b3e2567577ffcf9397a94c3085bd1999f4650a40

SHA512
ff2fff83f094820da4157c907be06039dcc58b1a23e867ba58c0c3f40d8bbd90022161dc3d77c082a765f7f4104f683be995b994183d1899c73bd9131fe614d1

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

Filesize
944B

MD5
80ae5e2b56ee143faf290db8d32c89bf

SHA1
8a36bf7691730a3505e8350ca5d4f5d45f9fab5e

SHA256
3a59b45b5ae7d91661b34ec245fb1bd8a5905ee480f1578f343c86f2e60fa53b

SHA512
9332965268ad956cb2542c0ca2f64a41cb18f83185ff60f01234309db38b1a5a63bd3325faa5a80d7c2b7a7e7032bf4e24520cde79100f203f085014e2b16a38

Download Submit
C:\Users\Admin\AppData\Local\Temp\ShibaGTV16

Filesize
140KB

MD5
445e516f9ca9d204baa359ee36edc8e0

SHA1
f5a3267afbc73c16620bcc3b332fadd8104d60bf

SHA256
c96a0fddccd367dbc5422cd5e2036a3f987eccd1cf62a00f5a7b243a74ebcf22

SHA512
e315de1fe895123950d88d7e4e9f0f57b3317abf3ebd09f8aa2916f105529b6f9b6ea834c8a318b9a7c565171c08580d5f727c3d043cc797f80f74f5ff141810

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k1nay4dt.2w3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2756-12-0x00007FFA494B0000-0x00007FFA49F71000-memory.dmp

Filesize
10.8MB

Download
memory/2756-17-0x00007FFA494B0000-0x00007FFA49F71000-memory.dmp

Filesize
10.8MB

Download
memory/2756-14-0x00007FFA494B0000-0x00007FFA49F71000-memory.dmp

Filesize
10.8MB

Download
memory/2756-13-0x00007FFA494B0000-0x00007FFA49F71000-memory.dmp

Filesize
10.8MB

Download
memory/2756-7-0x000001E84D7C0000-0x000001E84D7E2000-memory.dmp

Filesize
136KB

Download
memory/3880-0-0x00007FFA494B3000-0x00007FFA494B5000-memory.dmp

Filesize
8KB

Download
memory/3880-55-0x00007FFA494B0000-0x00007FFA49F71000-memory.dmp

Filesize
10.8MB

Download
memory/3880-56-0x00007FFA494B0000-0x00007FFA49F71000-memory.dmp

Filesize
10.8MB

Download
memory/3880-1-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads