xworm | e30b339b0089711199dd9462636626bc764fdc2df349bf1b89edb74cf24c7538

General

Target

ashbeel.exe
Size

57KB
MD5

6ab5859e0e8bb45cd9209171ec4bfae0
SHA1

4de391a13bbbf565f349e76fde8a27bc625dff1c
SHA256

e30b339b0089711199dd9462636626bc764fdc2df349bf1b89edb74cf24c7538
SHA512

1a28f7a24a4a92c5fae8d30f4d4e0786dcf6c59c30c04fdb968661c08ccdbff32b218870d69f22644e548524744036eab9d033f3ddfd5fbcc0eba338e579d554
SSDEEP

1536:MpNiPkCqOYlw3zdZHjsHOB+bQKB0m9Oiklm:ASZ3BZDsS+bQq9Oik4

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

C2

poker-dosage.gl.at.ply.gg:10021

Attributes

Install_directory
%AppData%
install_file
RealtekUService86.exe

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2504-1-0x0000000000AE0000-0x0000000000AF4000-memory.dmp	family_xworm
behavioral1/files/0x0008000000019228-7.dat	family_xworm
behavioral1/memory/2848-9-0x0000000000200000-0x0000000000214000-memory.dmp	family_xworm
behavioral1/memory/2956-11-0x00000000002F0000-0x0000000000304000-memory.dmp	family_xworm
behavioral1/memory/2664-13-0x00000000012C0000-0x00000000012D4000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Executes dropped EXE 3 IoCs

pid	Process
2848	RealtekUService86.exe
2956	RealtekUService86.exe
2664	RealtekUService86.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
2412	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2504	ashbeel.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	ashbeel.exe
Token: SeDebugPrivilege	2504	ashbeel.exe
Token: SeDebugPrivilege	2848	RealtekUService86.exe
Token: SeDebugPrivilege	2956	RealtekUService86.exe
Token: SeDebugPrivilege	2664	RealtekUService86.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2504	ashbeel.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2412	2504	ashbeel.exe	30
PID 2504 wrote to memory of 2412	2504	ashbeel.exe	30
PID 2504 wrote to memory of 2412	2504	ashbeel.exe	30
PID 2724 wrote to memory of 2848	2724	taskeng.exe	34
PID 2724 wrote to memory of 2848	2724	taskeng.exe	34
PID 2724 wrote to memory of 2848	2724	taskeng.exe	34
PID 2724 wrote to memory of 2956	2724	taskeng.exe	35
PID 2724 wrote to memory of 2956	2724	taskeng.exe	35
PID 2724 wrote to memory of 2956	2724	taskeng.exe	35
PID 2724 wrote to memory of 2664	2724	taskeng.exe	37
PID 2724 wrote to memory of 2664	2724	taskeng.exe	37
PID 2724 wrote to memory of 2664	2724	taskeng.exe	37

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\ashbeel.exe
"C:\Users\Admin\AppData\Local\Temp\ashbeel.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RealtekUService86" /tr "C:\Users\Admin\AppData\Roaming\RealtekUService86.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2412

C:\Windows\system32\taskeng.exe
taskeng.exe {2D05C960-03EB-4386-A413-2EB5B18A0275} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2956
- C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\RealtekUService86.exe

Filesize
57KB

MD5
6ab5859e0e8bb45cd9209171ec4bfae0

SHA1
4de391a13bbbf565f349e76fde8a27bc625dff1c

SHA256
e30b339b0089711199dd9462636626bc764fdc2df349bf1b89edb74cf24c7538

SHA512
1a28f7a24a4a92c5fae8d30f4d4e0786dcf6c59c30c04fdb968661c08ccdbff32b218870d69f22644e548524744036eab9d033f3ddfd5fbcc0eba338e579d554

Download Submit
memory/2504-0-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000000AE0000-0x0000000000AF4000-memory.dmp

Filesize
80KB

Download
memory/2504-3-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2504-4-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/2504-5-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2664-13-0x00000000012C0000-0x00000000012D4000-memory.dmp

Filesize
80KB

Download
memory/2848-9-0x0000000000200000-0x0000000000214000-memory.dmp

Filesize
80KB

Download
memory/2956-11-0x00000000002F0000-0x0000000000304000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads