xworm | 5ad2e8363c51cc2392e5ea5c34fd426d585c118a1010cd034ccca53cb9aea8b0

General

Target

MicrosoftAccount.exe
Size

69KB
MD5

60efdd9e1cf39dd0a3a7fbdeb6a2d391
SHA1

29dbc62cedd344c115047fcec30f83e81c6d794c
SHA256

5ad2e8363c51cc2392e5ea5c34fd426d585c118a1010cd034ccca53cb9aea8b0
SHA512

c070114f7bbc384b5362111a70f1a910ecbf08b909d9e7b4222c904c221a107494e38840f5bc443faee8822281c5d46d65c7970003b7b625e7d1488ce6d58b84
SSDEEP

1536:fl/VpCz5Iqc+28akCkj42kbOOhW8DS6qfRtFAO5ZPYC:fldN8ak9kbbI8ot2O5ZPx

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7703

147.185.221.25:7703

regarding-states.gl.at.ply.gg:7703

Attributes

Install_directory
%AppData%
install_file
ApplicationFrameHost.exe
telegram
https://api.telegram.org/bot6353034618:AAHzEkRGIc7NNoV5QuVXoAVVOMmU4ikzPYc/sendMessage?chat_id=1735841155

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3780-1-0x0000000000E10000-0x0000000000E28000-memory.dmp	family_xworm
behavioral2/files/0x000b000000023c7a-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
4176	powershell.exe
1776	powershell.exe
4116	powershell.exe
4612	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	MicrosoftAccount.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 5 IoCs

pid	Process
4696	ApplicationFrameHost.exe
2224	ApplicationFrameHost.exe
4476	ApplicationFrameHost.exe
3892	ApplicationFrameHost.exe
4536	ApplicationFrameHost.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ApplicationFrameHost = "C:\\Users\\Admin\\AppData\\Roaming\\ApplicationFrameHost.exe"	MicrosoftAccount.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
4024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1776	powershell.exe
1776	powershell.exe
4116	powershell.exe
4116	powershell.exe
4612	powershell.exe
4612	powershell.exe
4176	powershell.exe
4176	powershell.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	3780	MicrosoftAccount.exe
Token: SeDebugPrivilege	1776	powershell.exe
Token: SeDebugPrivilege	4116	powershell.exe
Token: SeDebugPrivilege	4612	powershell.exe
Token: SeDebugPrivilege	4176	powershell.exe
Token: SeDebugPrivilege	3780	MicrosoftAccount.exe
Token: SeDebugPrivilege	4696	ApplicationFrameHost.exe
Token: SeDebugPrivilege	2224	ApplicationFrameHost.exe
Token: SeDebugPrivilege	4476	ApplicationFrameHost.exe
Token: SeDebugPrivilege	3892	ApplicationFrameHost.exe
Token: SeDebugPrivilege	4536	ApplicationFrameHost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 1776	3780	MicrosoftAccount.exe	84
PID 3780 wrote to memory of 1776	3780	MicrosoftAccount.exe	84
PID 3780 wrote to memory of 4116	3780	MicrosoftAccount.exe	86
PID 3780 wrote to memory of 4116	3780	MicrosoftAccount.exe	86
PID 3780 wrote to memory of 4612	3780	MicrosoftAccount.exe	88
PID 3780 wrote to memory of 4612	3780	MicrosoftAccount.exe	88
PID 3780 wrote to memory of 4176	3780	MicrosoftAccount.exe	90
PID 3780 wrote to memory of 4176	3780	MicrosoftAccount.exe	90
PID 3780 wrote to memory of 4024	3780	MicrosoftAccount.exe	92
PID 3780 wrote to memory of 4024	3780	MicrosoftAccount.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\MicrosoftAccount.exe
"C:\Users\Admin\AppData\Local\Temp\MicrosoftAccount.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3780
- 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\MicrosoftAccount.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1776
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftAccount.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4116
- 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\ApplicationFrameHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4612
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ApplicationFrameHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4176
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ApplicationFrameHost" /tr "C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4024

C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4696

C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2224

C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4476

C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3892

C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4536

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ApplicationFrameHost.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
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

Filesize
944B

MD5
2a4825f4f95c5d3d72911c6e7eb902ca

SHA1
4c22133f24e77211313beb0831980029a53e7dde

SHA256
59eecad327a693c8b2e3a5932238cda2141c6a0afbba6a5587933c9f2c1025e0

SHA512
8e09a61c62a4b83f4f323b5b74f89cc26d708fd1fe646317f5f404af8d4d3fcf327f20f5e4a3b310786c0f639df2d17e1a51def08c95fa964928ad6c08c81386

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

Filesize
944B

MD5
3fd1207fb34732237602c32614f8e7a5

SHA1
3c17778095da518c209e6854340c140cff556a50

SHA256
b89786113f914c4c6c44f0455750d167a760b375dc12c18a52054e71f0d24737

SHA512
54e7f41aa11b147d6734d1b2972c11dd6a4703be366dd9b26dbca14a9392205a4f19545c39db9807751468522c9e761fe7009bebf743e3ef852d7b79429ba482

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5h1m50k0.cto.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\ApplicationFrameHost.exe

Filesize
69KB

MD5
60efdd9e1cf39dd0a3a7fbdeb6a2d391

SHA1
29dbc62cedd344c115047fcec30f83e81c6d794c

SHA256
5ad2e8363c51cc2392e5ea5c34fd426d585c118a1010cd034ccca53cb9aea8b0

SHA512
c070114f7bbc384b5362111a70f1a910ecbf08b909d9e7b4222c904c221a107494e38840f5bc443faee8822281c5d46d65c7970003b7b625e7d1488ce6d58b84

Download Submit
memory/1776-13-0x00007FF9DEF20000-0x00007FF9DF9E1000-memory.dmp

Filesize
10.8MB

Download
memory/1776-14-0x00007FF9DEF20000-0x00007FF9DF9E1000-memory.dmp

Filesize
10.8MB

Download
memory/1776-17-0x00007FF9DEF20000-0x00007FF9DF9E1000-memory.dmp

Filesize
10.8MB

Download
memory/1776-12-0x00007FF9DEF20000-0x00007FF9DF9E1000-memory.dmp

Filesize
10.8MB

Download
memory/1776-11-0x000001AA7F8A0000-0x000001AA7F8C2000-memory.dmp

Filesize
136KB

Download
memory/3780-58-0x00007FF9DEF20000-0x00007FF9DF9E1000-memory.dmp

Filesize
10.8MB

Download
memory/3780-0-0x00007FF9DEF23000-0x00007FF9DEF25000-memory.dmp

Filesize
8KB

Download
memory/3780-59-0x00007FF9DEF20000-0x00007FF9DF9E1000-memory.dmp

Filesize
10.8MB

Download
memory/3780-1-0x0000000000E10000-0x0000000000E28000-memory.dmp

Filesize
96KB

Download
memory/4176-53-0x0000021367260000-0x00000213673CA000-memory.dmp

Filesize
1.4MB

Download
memory/4612-41-0x000001F1ECF00000-0x000001F1ED06A000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads