xenorat | d54bd79976a9cfef49e8ae530437fd657e3c2125623b8c26049f95a77da9b0ea

General

Target

dasdwasd.exe
Size

45KB
MD5

7c0981b33bb05e403e6dafbfb15f245e
SHA1

0d85fd3a8c5de8bce1e9e5595d2882491cab3e51
SHA256

d54bd79976a9cfef49e8ae530437fd657e3c2125623b8c26049f95a77da9b0ea
SHA512

bb57ef8f6489b4fe0c2f8f02d2fde38c5398c80296af53c2c34909e02a5a0e042dcd22d0a08c36b40c4e5816cb5334b55e802e67a8cb699df25a183b435dd96a
SSDEEP

768:xdhO/poiiUcjlJInlzH9Xqk5nWEZ5SbTDaYWI7CPW5V:vw+jjgndH9XqcnW85SbTZWId

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

192.168.1.129

Mutex

MERRYCHEESEMAS

Attributes

delay
5000
install_path
appdata
port
8888
startup_name
Windows

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3124-1-0x00000000004F0000-0x0000000000502000-memory.dmp	family_xenorat
behavioral2/files/0x000a000000023b6e-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	dasdwasd.exe

Executes dropped EXE 1 IoCs

pid	Process
4552	dasdwasd.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	dasdwasd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dasdwasd.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
3464	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 4552	3124	dasdwasd.exe	83
PID 3124 wrote to memory of 4552	3124	dasdwasd.exe	83
PID 3124 wrote to memory of 4552	3124	dasdwasd.exe	83
PID 4552 wrote to memory of 3464	4552	dasdwasd.exe	84
PID 4552 wrote to memory of 3464	4552	dasdwasd.exe	84
PID 4552 wrote to memory of 3464	4552	dasdwasd.exe	84

C:\Users\Admin\AppData\Local\Temp\dasdwasd.exe
"C:\Users\Admin\AppData\Local\Temp\dasdwasd.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Users\Admin\AppData\Roaming\XenoManager\dasdwasd.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\dasdwasd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4552
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A0D.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3464

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dasdwasd.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9A0D.tmp

Filesize
1KB

MD5
bcf47bbe69981e05d102eb8da1767906

SHA1
d62973df47251e10bd76a4c4e05f368620c3ba77

SHA256
0344c55c3fd98920d11790d8ddea894f40499e5005b3f8a32ede9def249b9a25

SHA512
218730d5a9a53cd595890d623798f9fb8c724fb7856d61f6cac3530f84267f95b276f6824815034eb08be7b10e00c41c2bba5bca09c588b0179abf1e40517f44

Download Submit
C:\Users\Admin\AppData\Roaming\XenoManager\dasdwasd.exe

Filesize
45KB

MD5
7c0981b33bb05e403e6dafbfb15f245e

SHA1
0d85fd3a8c5de8bce1e9e5595d2882491cab3e51

SHA256
d54bd79976a9cfef49e8ae530437fd657e3c2125623b8c26049f95a77da9b0ea

SHA512
bb57ef8f6489b4fe0c2f8f02d2fde38c5398c80296af53c2c34909e02a5a0e042dcd22d0a08c36b40c4e5816cb5334b55e802e67a8cb699df25a183b435dd96a

Download Submit
memory/3124-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/3124-1-0x00000000004F0000-0x0000000000502000-memory.dmp

Filesize
72KB

Download
memory/4552-15-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4552-18-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4552-19-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads