xworm | 53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6

General

Target

53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe
Size

71KB
MD5

0a30907e43f657a9909dcc8f8094d378
SHA1

35bf09ed9ad5b7391322a472be81fb83301ebc98
SHA256

53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6
SHA512

55d1c293476803eda980ba5694c91a67575e7271210cba5e7ada964ea8678d0022fa44b5bfaf3e05fec65149a137fb772cbdf080d829039728f01307e5798fe1
SSDEEP

1536:pfUlgsAJKf6ng5Qbp/dpiXVfpsRDSF86MicnaIqbsOQzCo+KB:8gsXQbpD8mWFO9IsO4vJB

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

24.ip.gl.ply.gg:6239

Attributes

Install_directory
%AppData%
install_file
WinRAR.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/116-1-0x0000000000A70000-0x0000000000A88000-memory.dmp	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
3524	powershell.exe
3368	powershell.exe
3176	powershell.exe
4532	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	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinRAR = "C:\\Users\\Admin\\AppData\\Roaming\\WinRAR.exe"	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3524	powershell.exe
3524	powershell.exe
3368	powershell.exe
3368	powershell.exe
3176	powershell.exe
3176	powershell.exe
4532	powershell.exe
4532	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe
Token: SeDebugPrivilege	3524	powershell.exe
Token: SeDebugPrivilege	3368	powershell.exe
Token: SeDebugPrivilege	3176	powershell.exe
Token: SeDebugPrivilege	4532	powershell.exe
Token: SeDebugPrivilege	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 3524	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	83
PID 116 wrote to memory of 3524	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	83
PID 116 wrote to memory of 3368	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	85
PID 116 wrote to memory of 3368	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	85
PID 116 wrote to memory of 3176	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	87
PID 116 wrote to memory of 3176	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	87
PID 116 wrote to memory of 4532	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	89
PID 116 wrote to memory of 4532	116	53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe	89

C:\Users\Admin\AppData\Local\Temp\53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe
"C:\Users\Admin\AppData\Local\Temp\53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116
- 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\53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '53ee6d52394d65188f8708b169671078b933db86b2593ca50cba2a135edb4bb6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3368
- 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\WinRAR.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3176
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WinRAR.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

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\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
e448fe0d240184c6597a31d3be2ced58

SHA1
372b8d8c19246d3e38cd3ba123cc0f56070f03cd

SHA256
c660f0db85a1e7f0f68db19868979bf50bd541531babf77a701e1b1ce5e6a391

SHA512
0b7f7eae7700d32b18eee3677cb7f89b46ace717fa7e6b501d6c47d54f15dff7e12b49f5a7d36a6ffe4c16165c7d55162db4f3621db545b6af638035752beab4

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

Filesize
944B

MD5
c9c3cd5d7df9869a48de595908b493f9

SHA1
8b965c59f8ec821446da71cec29a4df3cf117534

SHA256
ae18352f65457e9d1854a41c281b9fd0de72fab3eb098dbcd3926ecd9185d8a8

SHA512
8dd36512da450eba5e0fd3972204b151ba27d6ef1a1a6eaeca85cd7e9a6576526627b2320fa4f32f14a4dd6671265f30ade9f382ae60e602bee2bb7b66cdec48

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

Filesize
944B

MD5
1226cbe1b9180c106bb1c6df4c56e023

SHA1
b42e0f4e40a8713c0300a8852d7c2a5690e03bbc

SHA256
413900875971fd21b31b0613362ef890e03901dca5bc6d9a2754bf5358d92a7f

SHA512
01caa250c5a3d68cd6dfb9ab3d97c6681aa3f004f1a23fb64dccc74c509a4c6a65fdc7c26d55ff84c1f5d34a91193b697f0834be6059c9bb381c5209033f75bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h10n5ayk.rzc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/116-0-0x00007FFC2E373000-0x00007FFC2E375000-memory.dmp

Filesize
8KB

Download
memory/116-2-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

Filesize
10.8MB

Download
memory/116-1-0x0000000000A70000-0x0000000000A88000-memory.dmp

Filesize
96KB

Download
memory/116-54-0x00007FFC2E373000-0x00007FFC2E375000-memory.dmp

Filesize
8KB

Download
memory/116-55-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

Filesize
10.8MB

Download
memory/3524-3-0x000001D7661F0000-0x000001D766212000-memory.dmp

Filesize
136KB

Download
memory/3524-14-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

Filesize
10.8MB

Download
memory/3524-15-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

Filesize
10.8MB

Download
memory/3524-18-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

Filesize
10.8MB

Download
memory/3524-4-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads