xenorat | 16136678f701be73ebaf5b08fa6c1eaf09e207bbdb3a8edd4d5a81ecb0c2387b

General

Target
Xeno.exe
Size 62KB
Sample250208-e1zp3swpgj
SHA256 16136678f701be73ebaf5b08fa6c1eaf09e207bbdb3a8edd4d5a81ecb0c2387b
MD5 25f0b9cbe7919ff503407c6ef58d1cbd
SHA1 d7421c3eceacdeed5db5de0f047afe40d21ff145
SHA512 bff8175621fa9204af6c78cb533d82a4c644550978cb3bcae8998ca5a65c0a5a4261096900c2d162ec28018e332f3ebebabeb86e3e5bb08782b2d78fed58d804
SSDEEP 768:1dhM/poiiUcjlJIn9mL9Xqk5nWEZ5SbTDaiNI7CPW5X:L2+jjgnoL9XqcnW85SbTTNI/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

cryptobro.duckdns.org

Mutex

Absolute

Attributes

delay
10000
install_path
temp
port
25565
startup_name
svchosy

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3060-1-0x00000000006A0000-0x00000000006B6000-memory.dmp	family_xenorat
behavioral2/files/0x0008000000023e08-6.dat	family_xenorat

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
51	1848	Process not Found

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-1-5-21-895555807-3853795127-2958627047-1000\Control Panel\International\Geo\Nation	Xeno.exe

Executes dropped EXE 1 IoCs

pid	Process
4440	Xeno.exe

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 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Xeno.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Xeno.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2148	MicrosoftEdgeUpdate.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
3664	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 4440	3060	Xeno.exe	88
PID 3060 wrote to memory of 4440	3060	Xeno.exe	88
PID 3060 wrote to memory of 4440	3060	Xeno.exe	88
PID 4440 wrote to memory of 3664	4440	Xeno.exe	90
PID 4440 wrote to memory of 3664	4440	Xeno.exe	90
PID 4440 wrote to memory of 3664	4440	Xeno.exe	90

C:\Users\Admin\AppData\Local\Temp\Xeno.exe
"C:\Users\Admin\AppData\Local\Temp\Xeno.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\XenoManager\Xeno.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\Xeno.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "svchosy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAA3.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3664

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7N0QxMTY2RDMtRkJFNy00QzlCLTk3MDAtNjU5OUYzQTc0NUM0fSIgdXNlcmlkPSJ7MEJFMTc1RjQtNjFENC00Q0QxLTkwRDktQ0VCQ0I2MzQ0QjI2fSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7RTdENDNDOUYtMzk2My00MUUwLTkxMjEtRjEwREU2MzY4REQ4fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4MzAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTE0Njg3NjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mzc1NDg4NTAzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Xeno.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Xeno.exe.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

Submit Download

Xeno.exe

Path C:\Users\Admin\AppData\Local\Temp\XenoManager\Xeno.exe
Size 62KB
SHA256 16136678f701be73ebaf5b08fa6c1eaf09e207bbdb3a8edd4d5a81ecb0c2387b
MD5 25f0b9cbe7919ff503407c6ef58d1cbd
SHA1 d7421c3eceacdeed5db5de0f047afe40d21ff145
SHA512 bff8175621fa9204af6c78cb533d82a4c644550978cb3bcae8998ca5a65c0a5a4261096900c2d162ec28018e332f3ebebabeb86e3e5bb08782b2d78fed58d804
SSDEEP 768:1dhM/poiiUcjlJIn9mL9Xqk5nWEZ5SbTDaiNI7CPW5X:L2+jjgnoL9XqcnW85SbTTNI/
MD5 SHA1 SHA512 SSDEEP

Submit Download

tmpCAA3.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpCAA3.tmp
Size 1KB
SHA256 5cfd088da617ac453eaa0d34f9a0f9e9d2f07e6118a81f67b4e206d3b8566a16
MD5 46031de4e1206609084fe14fd9c9aed9
SHA1 10c6e88e81f9bf836fb5b64d75f4915cf8d33e4d
SHA512 a9580ea17a95c80b16c42d53ce81300d08526fd2416f5d4909b6a876daf5dc368fb8c37eaafe1e7dcc4d42e576517035315d0a92d40ec9110af0b66624f40c33
MD5 SHA1 SHA512

Submit Download

memory/3060-0-0x000000007405E000-0x000000007405F000-memory.dmp

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memory/3060-1-0x00000000006A0000-0x00000000006B6000-memory.dmp

Download

memory/4440-15-0x0000000074050000-0x0000000074800000-memory.dmp

Download

memory/4440-16-0x0000000074050000-0x0000000074800000-memory.dmp

Download

memory/4440-17-0x0000000074050000-0x0000000074800000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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