xworm | e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2

General

Target

e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe
Size

686KB
MD5

89835939251de14ca92a6fc263faf6ff
SHA1

67f125429fa563fd17cb0095549932c80b32f764
SHA256

e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2
SHA512

264406e200003e23b36298c1be3cafd0e8cbba4224d89f1b730e00adc08f3add4e5025c0d1e6c09343284f3982f839723c135acd71ba4795731d00ab58cf6919
SSDEEP

12288:DNLxu6YeXY/e174lgJ8zzPHvfpqS1uqlFTYVuuuyN5tSQEkpqhX:3h8gJWHvfpz1uIFkV/SQDp6

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

C2

rency.ydns.eu:59012

wqo9.firewall-gateway.de:59012

Attributes

Install_directory
%AppData%
install_file
MicroSoftOutlook.exe

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2916-12-0x0000000000400000-0x0000000000418000-memory.dmp	family_xworm
behavioral1/memory/2916-9-0x0000000000400000-0x0000000000418000-memory.dmp	family_xworm
behavioral1/memory/2916-8-0x0000000000400000-0x0000000000418000-memory.dmp	family_xworm
behavioral1/memory/2916-16-0x0000000000400000-0x0000000000418000-memory.dmp	family_xworm
behavioral1/memory/2916-14-0x0000000000400000-0x0000000000418000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicroSoftOutlook.lnk	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicroSoftOutlook.lnk	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe

Loads dropped DLL 1 IoCs

pid	Process
2916	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2916	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe
Token: SeDebugPrivilege	2916	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2916	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30
PID 2876 wrote to memory of 2916	2876	e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe	30

C:\Users\Admin\AppData\Local\Temp\e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe
"C:\Users\Admin\AppData\Local\Temp\e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe
  "C:\Users\Admin\AppData\Local\Temp\e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\MicroSoftOutlook.exe

Filesize
686KB

MD5
89835939251de14ca92a6fc263faf6ff

SHA1
67f125429fa563fd17cb0095549932c80b32f764

SHA256
e111964765f99e0c863956e31e31ef76e5989cef5c33673ae955230d8cb9c4e2

SHA512
264406e200003e23b36298c1be3cafd0e8cbba4224d89f1b730e00adc08f3add4e5025c0d1e6c09343284f3982f839723c135acd71ba4795731d00ab58cf6919

Download Submit
memory/2876-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2876-1-0x0000000000E80000-0x0000000000F32000-memory.dmp

Filesize
712KB

Download
memory/2876-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-3-0x00000000006B0000-0x00000000006C8000-memory.dmp

Filesize
96KB

Download
memory/2876-4-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-5-0x0000000004860000-0x00000000048BC000-memory.dmp

Filesize
368KB

Download
memory/2876-17-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2916-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2916-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-7-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-16-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-14-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-18-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2916-6-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-24-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2916-25-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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