xenorat | a5f629e62e8012c0ead81b462bc05ec9d20395af3121f87961f9d2dfde908895

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 08:40

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General

Target

88696cf17417a2339b63f9452404c839.exe
Size

614KB
MD5

88696cf17417a2339b63f9452404c839
SHA1

2123ca0e3764ba65e421d3b5dd7453da955d36f2
SHA256

a5f629e62e8012c0ead81b462bc05ec9d20395af3121f87961f9d2dfde908895
SHA512

a4236f6d52b985420dc733998842815fd24f12236bdbf3b885ed9a15c0d4815dec439cf919925b4b903ac158aba1ba2a8bf9eff20af7134d2e4edbce226f7931
SSDEEP

12288:WcrNS33L10QdrX2ZVncWqvo2GAhcWMuql8lPtahdkkB183kD:FNA3R5drXwVcWWyLZ8db3kD

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

45.66.231.63

Mutex

Holid_rat_nd8859g

Attributes

delay
60400
install_path
appdata
port
1243
startup_name
HDdisplay

Signatures

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

Checks computer location settings 2 TTPs 3 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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	efthfxj.sfx.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	efthfxj.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	88696cf17417a2339b63f9452404c839.exe

Executes dropped EXE 11 IoCs

pid	Process
1504	efthfxj.sfx.exe
4600	efthfxj.exe
2180	efthfxj.exe
1492	efthfxj.exe
4488	efthfxj.exe
4376	efthfxj.exe
2576	efthfxj.exe
460	efthfxj.exe
1212	efthfxj.exe
3788	efthfxj.exe
3328	efthfxj.exe

Suspicious use of SetThreadContext 8 IoCs

description	pid	Process	procid_target
PID 4600 set thread context of 2180	4600	efthfxj.exe	92
PID 4600 set thread context of 1492	4600	efthfxj.exe	93
PID 4600 set thread context of 4376	4600	efthfxj.exe	94
PID 4600 set thread context of 4488	4600	efthfxj.exe	95
PID 2576 set thread context of 460	2576	efthfxj.exe	100
PID 2576 set thread context of 1212	2576	efthfxj.exe	101
PID 2576 set thread context of 3788	2576	efthfxj.exe	102
PID 2576 set thread context of 3328	2576	efthfxj.exe	103

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2948	4376	WerFault.exe	94
1972	1212	WerFault.exe	101

System Location Discovery: System Language Discovery 1 TTPs 12 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	efthfxj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88696cf17417a2339b63f9452404c839.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.sfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efthfxj.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
4468	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4600	efthfxj.exe
Token: SeDebugPrivilege	2576	efthfxj.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 3504	4996	88696cf17417a2339b63f9452404c839.exe	84
PID 4996 wrote to memory of 3504	4996	88696cf17417a2339b63f9452404c839.exe	84
PID 4996 wrote to memory of 3504	4996	88696cf17417a2339b63f9452404c839.exe	84
PID 3504 wrote to memory of 1504	3504	cmd.exe	88
PID 3504 wrote to memory of 1504	3504	cmd.exe	88
PID 3504 wrote to memory of 1504	3504	cmd.exe	88
PID 1504 wrote to memory of 4600	1504	efthfxj.sfx.exe	91
PID 1504 wrote to memory of 4600	1504	efthfxj.sfx.exe	91
PID 1504 wrote to memory of 4600	1504	efthfxj.sfx.exe	91
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 2180	4600	efthfxj.exe	92
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 1492	4600	efthfxj.exe	93
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4376	4600	efthfxj.exe	94
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 4600 wrote to memory of 4488	4600	efthfxj.exe	95
PID 2180 wrote to memory of 2576	2180	efthfxj.exe	98
PID 2180 wrote to memory of 2576	2180	efthfxj.exe	98
PID 2180 wrote to memory of 2576	2180	efthfxj.exe	98
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 460	2576	efthfxj.exe	100
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 1212	2576	efthfxj.exe	101
PID 2576 wrote to memory of 3788	2576	efthfxj.exe	102
PID 2576 wrote to memory of 3788	2576	efthfxj.exe	102
PID 2576 wrote to memory of 3788	2576	efthfxj.exe	102
PID 2576 wrote to memory of 3788	2576	efthfxj.exe	102

C:\Users\Admin\AppData\Local\Temp\88696cf17417a2339b63f9452404c839.exe
"C:\Users\Admin\AppData\Local\Temp\88696cf17417a2339b63f9452404c839.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\eystsdf.cmd" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3504
- - C:\Users\Admin\AppData\Roaming\efthfxj.sfx.exe
    efthfxj.sfx.exe -pgtrfdewscbsdyethnymkdesppodtyuhngfszafugyRhvqxsdfHbgnmeG -dC:\Users\Admin\AppData\Roaming
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Users\Admin\AppData\Roaming\efthfxj.exe
      "C:\Users\Admin\AppData\Roaming\efthfxj.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4600
    - - C:\Users\Admin\AppData\Roaming\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\efthfxj.exe
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2180
      - C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        
        "C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2576
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:460
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        7⤵
        Executes dropped EXE
        
        PID:1212
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 80
        8⤵
        Program crash
        
        PID:1972
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3788
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\XenoManager\efthfxj.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3328
    - - C:\Users\Admin\AppData\Roaming\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\efthfxj.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1492
      - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /Create /TN "HDdisplay" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5FF.tmp" /F
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:4468
    - - C:\Users\Admin\AppData\Roaming\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\efthfxj.exe
        5⤵
        Executes dropped EXE
        
        PID:4376
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 80
        6⤵
        Program crash
        
        PID:2948
    - - C:\Users\Admin\AppData\Roaming\efthfxj.exe
        
        C:\Users\Admin\AppData\Roaming\efthfxj.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4376 -ip 4376
1⤵
PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1212 -ip 1212
1⤵
PID:2088

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\efthfxj.exe.log

Filesize
522B

MD5
8334a471a4b492ece225b471b8ad2fc8

SHA1
1cb24640f32d23e8f7800bd0511b7b9c3011d992

SHA256
5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

SHA512
56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA5FF.tmp

Filesize
1KB

MD5
1fdd5f5a596a436ee52a5e78e1b86e00

SHA1
48f1f5d65c920f62320965c9c2b1cc41b096b8ae

SHA256
a997db9ebe7321980fbd9cff00f63967b921e4b5238280fed5725690ed10897f

SHA512
3146d8721f3796399e70933e09c66bf07fbcfed9b2d7e27507514761a5e2ea9e3b95a72c813658799934bec27ddbe5b9c4239a7c3cc861a00776feda9e87a332

Download Submit
C:\Users\Admin\AppData\Roaming\efthfxj.exe

Filesize
251KB

MD5
dcb591d1fc03274934709e24b502d719

SHA1
9d4172d007347a9aa54b48cb5a214a792ad03708

SHA256
c7e67928407dc0d2fe2a61e10e2f97104986770b6ba6e59f8faa7b6fcc595028

SHA512
1d6748bdd0bbfbe4d1f15dde0af015fb08814ffc3360b215d4f56844b15ae1d4b29ade922678439c3a07f1fa41da287a1054b0eb5853a761ae2fabb4b08b2800

Download Submit
C:\Users\Admin\AppData\Roaming\efthfxj.sfx.exe

Filesize
474KB

MD5
642a150be5bbed12c85dff794b955c01

SHA1
115de36f192e2bb10ec7c2c8bba9bf3dd639b461

SHA256
ded2b1a499ba8ac097361b01b1e56bdaa67769c0b7130489af489bef58cb5dfc

SHA512
d4a8249bc53bd070bfb8c0cdd703980ac4b12e0a0354a31333d7bf0af089edc1317c3005e99cdd3247b883ce72d10158e928d54664941010ee884fb4a5b1ce42

Download Submit
C:\Users\Admin\AppData\Roaming\eystsdf.cmd

Filesize
18KB

MD5
fa0fdc18cccb4a2fb162362848d10d73

SHA1
9ccab8577c310e19e1299fb7fcad538c72a36420

SHA256
c3f004c34695080e75df6dccc39dae9e269eba7164aa0f95b9964078973f3736

SHA512
fcce03713d22d8831cb8f792c9e367aeb4d3714ffb89f148f2b64ae32bb066f7ab0b5ea58778309a86584af8169a75bb7325ba6505567881bd330cdead222fd3

Download Submit
memory/2180-27-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4600-22-0x0000000000760000-0x00000000007A8000-memory.dmp

Filesize
288KB

Download
memory/4600-23-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/4600-24-0x0000000002B50000-0x0000000002B92000-memory.dmp

Filesize
264KB

Download
memory/4600-25-0x0000000006400000-0x000000000649C000-memory.dmp

Filesize
624KB

Download
memory/4600-26-0x0000000002BA0000-0x0000000002BA6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads