xenorat | f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144

General

Target

f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe
Size

120KB
MD5

3ef51203bdf504ca54a0956fed3bdd3f
SHA1

1567cd51f39345c00ea529db2952bd2805d14d56
SHA256

f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144
SHA512

1098a6b9905f15d5bdca647dacc8dc953c9d538b0847a04761f84aada5a14c14997aa5cddfd8b228f2f3b722562f94e6b4527526decfc96a34e9fe0b814b6f94
SSDEEP

3072:XnOsAdSDjd9ahEnYuDpejh9wPqn5BzBDuMLaO6:3PnDkLjhxDBDuMm

Score

10^/10

xenorat discovery execution persistence rat trojan

Malware Config

Extracted

Family

xenorat

C2

93.115.35.130

Mutex

asaojdoapsdj

Attributes

delay
5000
install_path
nothingset
port
2255
startup_name
nothingset

Signatures

Detect XenoRat Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1456-13-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/3956-1-0x0000000000210000-0x0000000000234000-memory.dmp	net_reactor

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-1-5-21-70482961-775596374-3727440602-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fetewq = "C:\\Users\\Admin\\AppData\\Roaming\\ftte\\trj.exe"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1696	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3956 set thread context of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91

System Location Discovery: System Language Discovery 1 TTPs 3 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	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1696	powershell.exe
1696	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 1696	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	89
PID 3956 wrote to memory of 1696	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	89
PID 3956 wrote to memory of 1696	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	89
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91
PID 3956 wrote to memory of 1456	3956	f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe	91

C:\Users\Admin\AppData\Local\Temp\f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe
"C:\Users\Admin\AppData\Local\Temp\f5f70713548d8a397fd0ecbba97df9d494687e0cd76da215698b209c4217e144.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'fetewq';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'fetewq' -Value '"C:\Users\Admin\AppData\Roaming\ftte\trj.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1696
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kx04rxzj.w32.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1456-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1456-43-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1456-33-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1456-20-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-34-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-35-0x00000000059F0000-0x0000000005A0E000-memory.dmp

Filesize
120KB

Download
memory/1696-42-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-39-0x0000000005F30000-0x0000000005F52000-memory.dmp

Filesize
136KB

Download
memory/1696-38-0x0000000005EE0000-0x0000000005EFA000-memory.dmp

Filesize
104KB

Download
memory/1696-37-0x00000000069B0000-0x0000000006A46000-memory.dmp

Filesize
600KB

Download
memory/1696-36-0x0000000005A30000-0x0000000005A7C000-memory.dmp

Filesize
304KB

Download
memory/1696-27-0x0000000004D80000-0x0000000004DE6000-memory.dmp

Filesize
408KB

Download
memory/1696-15-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-16-0x00000000020E0000-0x0000000002116000-memory.dmp

Filesize
216KB

Download
memory/1696-32-0x0000000005460000-0x00000000057B4000-memory.dmp

Filesize
3.3MB

Download
memory/1696-18-0x0000000004E30000-0x0000000005458000-memory.dmp

Filesize
6.2MB

Download
memory/1696-19-0x0000000004A40000-0x0000000004A62000-memory.dmp

Filesize
136KB

Download
memory/1696-26-0x0000000004CE0000-0x0000000004D46000-memory.dmp

Filesize
408KB

Download
memory/3956-4-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

Filesize
584KB

Download
memory/3956-6-0x0000000004D90000-0x0000000004E06000-memory.dmp

Filesize
472KB

Download
memory/3956-17-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-2-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download
memory/3956-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/3956-5-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

Filesize
40KB

Download
memory/3956-11-0x0000000004F60000-0x0000000004F7E000-memory.dmp

Filesize
120KB

Download
memory/3956-10-0x0000000004CC0000-0x0000000004CD4000-memory.dmp

Filesize
80KB

Download
memory/3956-9-0x0000000004D50000-0x0000000004D66000-memory.dmp

Filesize
88KB

Download
memory/3956-8-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-7-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/3956-1-0x0000000000210000-0x0000000000234000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads