xenorat | 15c2892194da8b7dd9ca72cdec0b3fb3eff422361f603ae2ae17e4be21154928

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 14:36

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General

Target

cres.exe
Size

45KB
MD5

1e7700efbf15f37dd3f86f05c622ae32
SHA1

651957f68d597141fc5325e62189330e05434e74
SHA256

15c2892194da8b7dd9ca72cdec0b3fb3eff422361f603ae2ae17e4be21154928
SHA512

72f1a14b3e20fdf8e9c362cf621b2d1ad04dca4dcaffa0dfd9b3c6e502ed8cd6834194ddeebda74e0d6d38db3ea2102e7ec0bcb6f858df281325e9842e19b11b
SSDEEP

768:pdhO/poiiUcjlJInMC2H9Xqk5nWEZ5SbTDaauI7CPW5H:nw+jjgnt2H9XqcnW85SbT3uIf

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

90.202.105.39

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
temp
port
4444
startup_name
manager

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1288-1-0x0000000000290000-0x00000000002A2000-memory.dmp	family_xenorat
behavioral2/files/0x0007000000023ca2-6.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	cres.exe

Executes dropped EXE 1 IoCs

pid	Process
624	cres.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	cres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cres.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
2976	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 624	1288	cres.exe	83
PID 1288 wrote to memory of 624	1288	cres.exe	83
PID 1288 wrote to memory of 624	1288	cres.exe	83
PID 624 wrote to memory of 2976	624	cres.exe	84
PID 624 wrote to memory of 2976	624	cres.exe	84
PID 624 wrote to memory of 2976	624	cres.exe	84

C:\Users\Admin\AppData\Local\Temp\cres.exe
"C:\Users\Admin\AppData\Local\Temp\cres.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\XenoManager\cres.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\cres.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:624
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "manager" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC5FF.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2976

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\cres.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\XenoManager\cres.exe

Filesize
45KB

MD5
1e7700efbf15f37dd3f86f05c622ae32

SHA1
651957f68d597141fc5325e62189330e05434e74

SHA256
15c2892194da8b7dd9ca72cdec0b3fb3eff422361f603ae2ae17e4be21154928

SHA512
72f1a14b3e20fdf8e9c362cf621b2d1ad04dca4dcaffa0dfd9b3c6e502ed8cd6834194ddeebda74e0d6d38db3ea2102e7ec0bcb6f858df281325e9842e19b11b

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C:\Users\Admin\AppData\Local\Temp\tmpC5FF.tmp

Filesize
1KB

MD5
ed2ac3231d5a7037e886bbe03105f63a

SHA1
79c49e9ec0ffa044c6e83be9ca6a9f47c7626e78

SHA256
a8237f3aefc09e08608161abaa554ce88d4d706d6cbe1814b7ceff7508cd34a4

SHA512
a324b3e7475632dcf5f7bca167fa2d062a856a4e54751a94f89627e8c47787d968dc3133376a644786037c3d436da17e8e751353d176482fd1443eeaa4bce0cb

Download Submit
memory/624-15-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/624-18-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/624-19-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/1288-0-0x000000007527E000-0x000000007527F000-memory.dmp

Filesize
4KB

Download
memory/1288-1-0x0000000000290000-0x00000000002A2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads