xenorat | 66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223

Analysis

max time kernel
139s
max time network
150s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 16:55

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General

Target

66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe
Size

955KB
MD5

94f798a6cc5738e8924c9c0b3d2abb1e
SHA1

5714cb7b382dab9977c99c94294561bc42d3166e
SHA256

66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223
SHA512

7b301bddf5d8a3602805754dc995bb4ee88c957b1029e3a17a0ed10d85cc60b1c603a8953a521cae283c39e2ecf69e1253db92cc89dacd46a45d2c72837ce0e4
SSDEEP

24576:duDXTIGaPhEYzUzA0qxUAUBqG8DCRG7F9V5:ADjlabwz9M7WRG59V5

Score

10^/10

xenorat rat trojan

Malware Config

Extracted

Family

xenorat

23.243.100.240

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
appdata
port
4444
startup_name
Windows Security

Signatures

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat

Executes dropped EXE 3 IoCs

pid	Process
3044	InternalLoader2.exe
2648	Runtime Broker.exe
2644	Runtime Broker.exe

Loads dropped DLL 3 IoCs

pid	Process
2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe
2384	Process not Found
2648	Runtime Broker.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2684	timeout.exe

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
2532	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 3044	2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe	28
PID 2844 wrote to memory of 3044	2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe	28
PID 2844 wrote to memory of 3044	2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe	28
PID 3044 wrote to memory of 2108	3044	InternalLoader2.exe	30
PID 3044 wrote to memory of 2108	3044	InternalLoader2.exe	30
PID 3044 wrote to memory of 2108	3044	InternalLoader2.exe	30
PID 2108 wrote to memory of 2416	2108	cmd.exe	31
PID 2108 wrote to memory of 2416	2108	cmd.exe	31
PID 2108 wrote to memory of 2416	2108	cmd.exe	31
PID 2108 wrote to memory of 2104	2108	cmd.exe	32
PID 2108 wrote to memory of 2104	2108	cmd.exe	32
PID 2108 wrote to memory of 2104	2108	cmd.exe	32
PID 2108 wrote to memory of 2948	2108	cmd.exe	33
PID 2108 wrote to memory of 2948	2108	cmd.exe	33
PID 2108 wrote to memory of 2948	2108	cmd.exe	33
PID 3044 wrote to memory of 2608	3044	InternalLoader2.exe	34
PID 3044 wrote to memory of 2608	3044	InternalLoader2.exe	34
PID 3044 wrote to memory of 2608	3044	InternalLoader2.exe	34
PID 2608 wrote to memory of 2596	2608	cmd.exe	35
PID 2608 wrote to memory of 2596	2608	cmd.exe	35
PID 2608 wrote to memory of 2596	2608	cmd.exe	35
PID 3044 wrote to memory of 2084	3044	InternalLoader2.exe	36
PID 3044 wrote to memory of 2084	3044	InternalLoader2.exe	36
PID 3044 wrote to memory of 2084	3044	InternalLoader2.exe	36
PID 2596 wrote to memory of 2684	2596	cmd.exe	38
PID 2596 wrote to memory of 2684	2596	cmd.exe	38
PID 2596 wrote to memory of 2684	2596	cmd.exe	38
PID 2844 wrote to memory of 2648	2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe	39
PID 2844 wrote to memory of 2648	2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe	39
PID 2844 wrote to memory of 2648	2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe	39
PID 2844 wrote to memory of 2648	2844	66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe	39
PID 2648 wrote to memory of 2644	2648	Runtime Broker.exe	40
PID 2648 wrote to memory of 2644	2648	Runtime Broker.exe	40
PID 2648 wrote to memory of 2644	2648	Runtime Broker.exe	40
PID 2648 wrote to memory of 2644	2648	Runtime Broker.exe	40
PID 2644 wrote to memory of 2532	2644	Runtime Broker.exe	41
PID 2644 wrote to memory of 2532	2644	Runtime Broker.exe	41
PID 2644 wrote to memory of 2532	2644	Runtime Broker.exe	41
PID 2644 wrote to memory of 2532	2644	Runtime Broker.exe	41

C:\Users\Admin\AppData\Local\Temp\66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe
"C:\Users\Admin\AppData\Local\Temp\66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\InternalLoader2.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\InternalLoader2.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\RarSFX0\InternalLoader2.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\system32\certutil.exe
      certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\RarSFX0\InternalLoader2.exe" MD5
      4⤵
      PID:2416
  - - C:\Windows\system32\find.exe
      find /i /v "md5"
      4⤵
      PID:2104
  - - C:\Windows\system32\find.exe
      find /i /v "certutil"
      4⤵
      PID:2948
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c start cmd /C "color b && title Error && echo SSL connect error && timeout /t 5"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2608
  - - C:\Windows\system32\cmd.exe
      cmd /C "color b && title Error && echo SSL connect error && timeout /t 5"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2596
    - - C:\Windows\system32\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:2684
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 3044 -s 296
    3⤵
    PID:2084
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Runtime Broker.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Runtime Broker.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Users\Admin\AppData\Roaming\XenoManager\Runtime Broker.exe
    "C:\Users\Admin\AppData\Roaming\XenoManager\Runtime Broker.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2644
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "Windows Security" /XML "C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp" /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Runtime Broker.exe

Filesize
45KB

MD5
888405f1ed21b89ac08343458251bf26

SHA1
4c9b54da2336376441af26ed4bedcd6fda1b316f

SHA256
a8b6f84c5a83b221cb27203a565852745db0010e793aedfe2e98db4cd7f10859

SHA512
4280eddeaba17692a542ab11e1ad92cde5aedd0857990bea01dbd967334801318fd5c31519e58af021ff07c7cf37c2cea6c99502d7f7c1b26852cfb935e3a2a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp

Filesize
1KB

MD5
5b219b4101d84f08808354aca4b544bc

SHA1
f067faceacdefb5d1062fac1400c288aca4b36d7

SHA256
7072f7d22c1809a4f13ab22b1b2eacebf3f7333f668810e4bad2e3c22d2b9836

SHA512
67be44450193b5a10529b668e5dc3a35647bf85bb6cadbb2e9a45271d808f24ef0e8dc55103a50b1a82edc71f3c3371de50ac81220366a8188cca21a6587c8cd

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\InternalLoader2.exe

Filesize
588KB

MD5
2582a8dfdf77e54747a2e84a27377131

SHA1
87a91b5cd34f2ed215a0092997ce2989a333b920

SHA256
38ea6534608e1496b285dadaa545a968c2b128111fc3841ba84f162f1a3f8e20

SHA512
f6193e490b95ef0ac3e2c66c2e83d8f582d4d86c4360b117a7ed11079a612ef62c2408968b96d3a55453cc0ac01b48773377ca090855650c368210235883ba3c

Download Submit
memory/2644-29-0x0000000000B40000-0x0000000000B52000-memory.dmp

Filesize
72KB

Download
memory/2648-21-0x00000000013C0000-0x00000000013D2000-memory.dmp

Filesize
72KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads