xworm | 621278f6f2d263419d69187282d006e8f81afd73bdd75a39880d01d37bf0bbaf

General

Target

ApplicationFramHost.exe
Size

77KB
MD5

67c7fe1635180abaa9c88940d61bb20a
SHA1

addc53c2291b8a3d17b3668600b8257fef496989
SHA256

621278f6f2d263419d69187282d006e8f81afd73bdd75a39880d01d37bf0bbaf
SHA512

9b19f62ea458345a5d2d7ebb4d22a413996b502619466b1d3eaed0f92b35af91650cddd9ffdb397f8ed4558a09c44ce424d344c1f4102543934b651d103c40fc
SSDEEP

1536:u58tFnhxOx9v5vEv9t0bz9H2dhE6XDBO8YxHMQuhWy+R:i8tVh+vNEv9+bzmOvxHMLwbR

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

forums-advancement.gl.at.ply.gg:58291

Attributes

Install_directory
%Temp%
install_file
1336ffb22842d595e7ee3602982.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4980-1-0x0000000000CB0000-0x0000000000CCA000-memory.dmp	family_xworm
behavioral2/files/0x0007000000023c97-60.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
1452	powershell.exe
4912	powershell.exe
2072	powershell.exe
372	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	ApplicationFramHost.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1336ffb22842d595e7ee3602982.lnk	ApplicationFramHost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1336ffb22842d595e7ee3602982.lnk	ApplicationFramHost.exe

Executes dropped EXE 2 IoCs

pid	Process
4292	1336ffb22842d595e7ee3602982.exe
1732	1336ffb22842d595e7ee3602982.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1336ffb22842d595e7ee3602982 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1336ffb22842d595e7ee3602982.exe"	ApplicationFramHost.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
14	ip-api.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
3428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
372	powershell.exe
372	powershell.exe
1452	powershell.exe
1452	powershell.exe
4912	powershell.exe
4912	powershell.exe
2072	powershell.exe
2072	powershell.exe
4980	ApplicationFramHost.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	ApplicationFramHost.exe
Token: SeDebugPrivilege	372	powershell.exe
Token: SeDebugPrivilege	1452	powershell.exe
Token: SeDebugPrivilege	4912	powershell.exe
Token: SeDebugPrivilege	2072	powershell.exe
Token: SeDebugPrivilege	4980	ApplicationFramHost.exe
Token: SeDebugPrivilege	4292	1336ffb22842d595e7ee3602982.exe
Token: SeDebugPrivilege	1732	1336ffb22842d595e7ee3602982.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4980	ApplicationFramHost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 372	4980	ApplicationFramHost.exe	93
PID 4980 wrote to memory of 372	4980	ApplicationFramHost.exe	93
PID 4980 wrote to memory of 1452	4980	ApplicationFramHost.exe	97
PID 4980 wrote to memory of 1452	4980	ApplicationFramHost.exe	97
PID 4980 wrote to memory of 4912	4980	ApplicationFramHost.exe	99
PID 4980 wrote to memory of 4912	4980	ApplicationFramHost.exe	99
PID 4980 wrote to memory of 2072	4980	ApplicationFramHost.exe	101
PID 4980 wrote to memory of 2072	4980	ApplicationFramHost.exe	101
PID 4980 wrote to memory of 3428	4980	ApplicationFramHost.exe	107
PID 4980 wrote to memory of 3428	4980	ApplicationFramHost.exe	107

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\ApplicationFramHost.exe
"C:\Users\Admin\AppData\Local\Temp\ApplicationFramHost.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:4980
- 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\ApplicationFramHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:372
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ApplicationFramHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1452
- 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\1336ffb22842d595e7ee3602982.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4912
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '1336ffb22842d595e7ee3602982.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2072
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "1336ffb22842d595e7ee3602982" /tr "C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3428

C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4292

C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1732

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\1336ffb22842d595e7ee3602982.exe.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
3a6bad9528f8e23fb5c77fbd81fa28e8

SHA1
f127317c3bc6407f536c0f0600dcbcf1aabfba36

SHA256
986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05

SHA512
846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

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

Filesize
944B

MD5
0093819c829dd30c13746f256efba97f

SHA1
f095cbb1d10a54a91d7d341c4098d44973d3ec50

SHA256
5f936c252c9ed7d08d4a73b86230d9877173b44c36544f0b24eae3eb38617401

SHA512
72aac852de41473494d2263aa44dbabfb1f318f8a21ebdfe080c4a98b9288db07e9641a935d9a640b5e879f28a0560cae53bd4191ac94d315b87746e57e69af2

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

Filesize
944B

MD5
da5c82b0e070047f7377042d08093ff4

SHA1
89d05987cd60828cca516c5c40c18935c35e8bd3

SHA256
77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5

SHA512
7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b

Download Submit
C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe

Filesize
77KB

MD5
67c7fe1635180abaa9c88940d61bb20a

SHA1
addc53c2291b8a3d17b3668600b8257fef496989

SHA256
621278f6f2d263419d69187282d006e8f81afd73bdd75a39880d01d37bf0bbaf

SHA512
9b19f62ea458345a5d2d7ebb4d22a413996b502619466b1d3eaed0f92b35af91650cddd9ffdb397f8ed4558a09c44ce424d344c1f4102543934b651d103c40fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aagscfim.dog.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/372-12-0x00000181F9F70000-0x00000181F9F92000-memory.dmp

Filesize
136KB

Download
memory/372-18-0x00007FFA10640000-0x00007FFA11101000-memory.dmp

Filesize
10.8MB

Download
memory/372-15-0x00007FFA10640000-0x00007FFA11101000-memory.dmp

Filesize
10.8MB

Download
memory/372-14-0x00007FFA10640000-0x00007FFA11101000-memory.dmp

Filesize
10.8MB

Download
memory/372-13-0x00007FFA10640000-0x00007FFA11101000-memory.dmp

Filesize
10.8MB

Download
memory/4980-0-0x00007FFA10643000-0x00007FFA10645000-memory.dmp

Filesize
8KB

Download
memory/4980-57-0x00007FFA10643000-0x00007FFA10645000-memory.dmp

Filesize
8KB

Download
memory/4980-58-0x00007FFA10640000-0x00007FFA11101000-memory.dmp

Filesize
10.8MB

Download
memory/4980-2-0x00007FFA10640000-0x00007FFA11101000-memory.dmp

Filesize
10.8MB

Download
memory/4980-1-0x0000000000CB0000-0x0000000000CCA000-memory.dmp

Filesize
104KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads