xworm | bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2

General

Target

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
Size

619KB
MD5

458f7cbc40f24ca3257cb3803f1a817c
SHA1

419fdb34bacf7fcc9b955bdbca7e4cf9d03e6877
SHA256

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2
SHA512

4f4da09b4a42440b0bb8e0e17b313c2b9450456f8ef4469e6f060554ee70fe6f7cef8de30dd72147702e1ec76190276c9d162a2c1492918f600142575f83cff9
SSDEEP

12288:6WET/mr9K+22BEEzFatnd/WeHK4KMSMOV4Tu4Cbpb3W/KuBvnqMUpeNW/:6Wtb3BE/Zq4KJLGT/6bG

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

baldur1.duckdns.org:3360

Mutex

99lkUMNvqj7gQA4z

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2996-29-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2996-27-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2996-24-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2996-22-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2996-28-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2228 powershell.exe
2356 powershell.exe

pid	process
2228	powershell.exe
2356	powershell.exe

Drops startup file 2 IoCs

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.lnk	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.lnk	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

Loads dropped DLL 1 IoCs

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

pid process

2996 bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

pid	process
2996	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2 = "C:\\Users\\Admin\\AppData\\Roaming\\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe"	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

description	pid	process	target process
PID 1208 set thread context of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2500 schtasks.exe

pid	process
2500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exepowershell.exepowershell.exebb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

pid	process
1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
2356	powershell.exe
2228	powershell.exe
2996	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exebb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
Token: SeDebugPrivilege	2996	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	2228	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

pid process

2996 bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

pid	process
2996	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

description	pid	process	target process
PID 1208 wrote to memory of 2228	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2228	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2228	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2228	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2356	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2356	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2356	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2356	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	powershell.exe
PID 1208 wrote to memory of 2500	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	schtasks.exe
PID 1208 wrote to memory of 2500	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	schtasks.exe
PID 1208 wrote to memory of 2500	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	schtasks.exe
PID 1208 wrote to memory of 2500	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	schtasks.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
PID 1208 wrote to memory of 2996	1208	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe	bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe

C:\Users\Admin\AppData\Local\Temp\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
"C:\Users\Admin\AppData\Local\Temp\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AkyTYQmExJ.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2356

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AkyTYQmExJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF7D.tmp"
2⤵
- Creates scheduled task(s)
PID:2500

C:\Users\Admin\AppData\Local\Temp\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
"C:\Users\Admin\AppData\Local\Temp\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe"
2⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEF7D.tmp
Filesize
1KB

MD5
b2088d8f8984cb58edf5d906887dec79

SHA1
a0bf7d09ca698e989f2ca73d3d9f9049fc674b72

SHA256
83907e9857d046ead29ab750c794d97fd803989c32c60849d9a7d3237e8b2539

SHA512
6c153b66943ff365f760991348ebd7c789b38b9a584d95391c603d467a7d08760b83832e120cdd01ae9642b00385ac72cd7f5c1f5d0158c5b4525266fc9d9e67

Download Submit
C:\Users\Admin\AppData\Roaming\bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2.exe
Filesize
619KB

MD5
458f7cbc40f24ca3257cb3803f1a817c

SHA1
419fdb34bacf7fcc9b955bdbca7e4cf9d03e6877

SHA256
bb57a345bfddb2a779d447fb1f34b36bf08d70793be2705d95244254e264e1e2

SHA512
4f4da09b4a42440b0bb8e0e17b313c2b9450456f8ef4469e6f060554ee70fe6f7cef8de30dd72147702e1ec76190276c9d162a2c1492918f600142575f83cff9

Download Submit
memory/1208-4-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/1208-3-0x0000000000440000-0x0000000000462000-memory.dmp

Filesize
136KB

Download
memory/1208-0-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/1208-5-0x0000000000470000-0x0000000000480000-memory.dmp

Filesize
64KB

Download
memory/1208-6-0x00000000021F0000-0x0000000002240000-memory.dmp

Filesize
320KB

Download
memory/1208-7-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/1208-2-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/1208-1-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/1208-30-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2996-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-24-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2996-22-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2996-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2996-28-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2996-18-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2996-27-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2996-29-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads