xenorat | 495defcc64287703d8d51ed733e2a645f0fddd91b819fbd9126a289ba070e212

General

Target
itr.exe
Size 50KB
Sample250302-esmesatzfz
SHA256 495defcc64287703d8d51ed733e2a645f0fddd91b819fbd9126a289ba070e212
MD5 b7dcb5f87f5dbb662f410ccf808a14ee
SHA1 a19b2839f7cdb039c11ea7eef1ac32df5ef19e1c
SHA512 6f1c6d6d941179396025f3451d9baec63afd2dec10c70270d11f1f5e6ac509f75026a208bd7d1092bae5d340e2e6516545587a36e55625c08b2a5096ec7bb6fb
SSDEEP 768:XdhO/poiiUcjlJIn50H9Xqk5nWEZ5SbTDabuI7CPW5v20vod8x+9T:Nw+jjgnqH9XqcnW85SbT+uI3Wd8x+R
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

47.202.96.54

Mutex

Xeno__nd8912d

Attributes

delay
5000
install_path
temp
port
3389
startup_name
Windows

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1724-1-0x00000000006B0000-0x00000000006C2000-memory.dmp	family_xenorat
behavioral2/files/0x0007000000023d4d-6.dat	family_xenorat

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

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-1-5-21-100612193-3312047696-905266872-1000\Control Panel\International\Geo\Nation	itr.exe

Executes dropped EXE 1 IoCs

pid	Process
4604	itr.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 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	itr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	itr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2108	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 4604	1724	itr.exe	89
PID 1724 wrote to memory of 4604	1724	itr.exe	89
PID 1724 wrote to memory of 4604	1724	itr.exe	89
PID 4604 wrote to memory of 2108	4604	itr.exe	94
PID 4604 wrote to memory of 2108	4604	itr.exe	94
PID 4604 wrote to memory of 2108	4604	itr.exe	94

C:\Users\Admin\AppData\Local\Temp\itr.exe
"C:\Users\Admin\AppData\Local\Temp\itr.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\XenoManager\itr.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\itr.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE70.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2108

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

itr.exe.log

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

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itr.exe

Path C:\Users\Admin\AppData\Local\Temp\XenoManager\itr.exe
Size 50KB
SHA256 495defcc64287703d8d51ed733e2a645f0fddd91b819fbd9126a289ba070e212
MD5 b7dcb5f87f5dbb662f410ccf808a14ee
SHA1 a19b2839f7cdb039c11ea7eef1ac32df5ef19e1c
SHA512 6f1c6d6d941179396025f3451d9baec63afd2dec10c70270d11f1f5e6ac509f75026a208bd7d1092bae5d340e2e6516545587a36e55625c08b2a5096ec7bb6fb
SSDEEP 768:XdhO/poiiUcjlJIn50H9Xqk5nWEZ5SbTDabuI7CPW5v20vod8x+9T:Nw+jjgnqH9XqcnW85SbT+uI3Wd8x+R
MD5 SHA1 SHA512 SSDEEP

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tmpAE70.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpAE70.tmp
Size 1KB
SHA256 0fb231e0143a889581c684c5cbf8de9cb1d94545f63f1eb832133bf63ec3a1e0
MD5 d126a3c2fd537172160a575ba2417fcc
SHA1 acc58d13d5e76e56c16e5c539cd222e3e5ad8d64
SHA512 fb369c8dac53d5b2e86eca73952036776f93adf2a8ff5459578a24671de67882288340fd70d7c4d2546a0e311191d3a2cd8d31a81d0b9e250a8ed91b88873513
MD5 SHA1 SHA512

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memory/1724-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

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memory/1724-1-0x00000000006B0000-0x00000000006C2000-memory.dmp

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memory/4604-15-0x0000000074F90000-0x0000000075740000-memory.dmp

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memory/4604-18-0x0000000074F90000-0x0000000075740000-memory.dmp

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memory/4604-19-0x0000000074F90000-0x0000000075740000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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