xworm | 9f415d949edb31f29352b847078cb42f5000a3a877dae35b2f643a69635be991

General

Target

triage.exe
Size

65KB
MD5

ec08b41c685e57009a14a6a194832a5e
SHA1

ee23dbeb29c7a7903cd886a783df66080c8b8588
SHA256

9f415d949edb31f29352b847078cb42f5000a3a877dae35b2f643a69635be991
SHA512

658f8c983bba93df25ef0318a1ea9cbc5de399604f5f7ce4c3525580345b8c9c9c9c7dcfe607a164243dfeb03d4045aca2c834009c512cb6c10b365048a490bc
SSDEEP

1536:1rYR4xse/+G1E7PJ89bBs/fJ6XpOShMn+t:eRDeWGSy9bB5pOSo+t

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

blood-pattern.gl.at.ply.gg:24558

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot7704029346:AAHPre1lXQa0UfPCpOUXJZ9UXA9mFxvH4Gk/sendMessage?chat_id=7590668020

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1264-1-0x0000000000050000-0x0000000000066000-memory.dmp	family_xworm
behavioral2/files/0x000e000000023b9a-56.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
1868	powershell.exe
3600	powershell.exe
116	powershell.exe
5020	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	triage.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
1780	security
1476	security

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\security = "C:\\Users\\Admin\\AppData\\Roaming\\security"	triage.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
2940	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1264	triage.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
116	powershell.exe
116	powershell.exe
5020	powershell.exe
5020	powershell.exe
1868	powershell.exe
1868	powershell.exe
3600	powershell.exe
3600	powershell.exe
1264	triage.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1264	triage.exe
Token: SeDebugPrivilege	116	powershell.exe
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeDebugPrivilege	1868	powershell.exe
Token: SeDebugPrivilege	3600	powershell.exe
Token: SeDebugPrivilege	1264	triage.exe
Token: SeDebugPrivilege	1780	security
Token: SeDebugPrivilege	1476	security

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1264	triage.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 116	1264	triage.exe	84
PID 1264 wrote to memory of 116	1264	triage.exe	84
PID 1264 wrote to memory of 5020	1264	triage.exe	86
PID 1264 wrote to memory of 5020	1264	triage.exe	86
PID 1264 wrote to memory of 1868	1264	triage.exe	88
PID 1264 wrote to memory of 1868	1264	triage.exe	88
PID 1264 wrote to memory of 3600	1264	triage.exe	90
PID 1264 wrote to memory of 3600	1264	triage.exe	90
PID 1264 wrote to memory of 2940	1264	triage.exe	92
PID 1264 wrote to memory of 2940	1264	triage.exe	92

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\triage.exe
"C:\Users\Admin\AppData\Local\Temp\triage.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264
- 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\triage.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:116
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'triage.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5020
- 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\Roaming\security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1868
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3600
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "security" /tr "C:\Users\Admin\AppData\Roaming\security"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2940

C:\Users\Admin\AppData\Roaming\security
C:\Users\Admin\AppData\Roaming\security
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1780

C:\Users\Admin\AppData\Roaming\security
C:\Users\Admin\AppData\Roaming\security
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1476

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

Replay Monitor

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Downloads

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\CLR_v4.0\UsageLogs\security.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

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

Filesize
944B

MD5
b51dc9e5ec3c97f72b4ca9488bbb4462

SHA1
5c1e8c0b728cd124edcacefb399bbd5e25b21bd3

SHA256
976f9534aa2976c85c2455bdde786a3f55d63aefdd40942eba1223c4c93590db

SHA512
0e5aa6cf64c535aefb833e5757b68e1094c87424abe2615a7d7d26b1b31eff358d12e36e75ca57fd690a9919b776600bf4c5c0e5a5df55366ba62238bdf3f280

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jx4hs3nk.qcx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\security

Filesize
65KB

MD5
ec08b41c685e57009a14a6a194832a5e

SHA1
ee23dbeb29c7a7903cd886a783df66080c8b8588

SHA256
9f415d949edb31f29352b847078cb42f5000a3a877dae35b2f643a69635be991

SHA512
658f8c983bba93df25ef0318a1ea9cbc5de399604f5f7ce4c3525580345b8c9c9c9c7dcfe607a164243dfeb03d4045aca2c834009c512cb6c10b365048a490bc

Download Submit
memory/116-3-0x00000226EE1D0000-0x00000226EE1F2000-memory.dmp

Filesize
136KB

Download
memory/116-16-0x00007FFFADF90000-0x00007FFFAEA51000-memory.dmp

Filesize
10.8MB

Download
memory/116-13-0x00007FFFADF90000-0x00007FFFAEA51000-memory.dmp

Filesize
10.8MB

Download
memory/116-12-0x00007FFFADF90000-0x00007FFFAEA51000-memory.dmp

Filesize
10.8MB

Download
memory/1264-54-0x00007FFFADF90000-0x00007FFFAEA51000-memory.dmp

Filesize
10.8MB

Download
memory/1264-55-0x00007FFFADF90000-0x00007FFFAEA51000-memory.dmp

Filesize
10.8MB

Download
memory/1264-0-0x00007FFFADF93000-0x00007FFFADF95000-memory.dmp

Filesize
8KB

Download
memory/1264-1-0x0000000000050000-0x0000000000066000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads