xenorat | e1e86016c8212f38c9b64f32b0a621c36485805b4ff2e2263f4fa9bfe30115e3

General

Target

R2Cheats_unstable.exe
Size

45KB
MD5

13449a087b4f8d0874ddd4c406059870
SHA1

f70582bdd96611bb2ccc9152e0129992f1c898d2
SHA256

e1e86016c8212f38c9b64f32b0a621c36485805b4ff2e2263f4fa9bfe30115e3
SHA512

6bc8711459dd5ba11f65321b98b257b1dd65f0c4fc22b86577d27c6d4257ea533f5db8c62d9782966fad2d05922b65d0e64bcb641b7a4335b924d760812f2447
SSDEEP

768:mMdhO/poiiUcjlJIn4qH9Xqk5nWEZ5SbTDa5WI7CPW5V:mGw+jjgnTH9XqcnW85SbTQWId

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

192.168.0.161

Mutex

R2Cheats_Beta_Unstable

Attributes

delay
1000
install_path
temp
port
4444
startup_name
Chrome Updater

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1164-1-0x0000000000150000-0x0000000000162000-memory.dmp	family_xenorat
behavioral1/files/0x001c00000002aa77-6.dat	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
4840	R2Cheats_unstable.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	R2Cheats_unstable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R2Cheats_unstable.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.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
3500	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 4840	1164	R2Cheats_unstable.exe	77
PID 1164 wrote to memory of 4840	1164	R2Cheats_unstable.exe	77
PID 1164 wrote to memory of 4840	1164	R2Cheats_unstable.exe	77
PID 4840 wrote to memory of 3500	4840	R2Cheats_unstable.exe	78
PID 4840 wrote to memory of 3500	4840	R2Cheats_unstable.exe	78
PID 4840 wrote to memory of 3500	4840	R2Cheats_unstable.exe	78

C:\Users\Admin\AppData\Local\Temp\R2Cheats_unstable.exe
"C:\Users\Admin\AppData\Local\Temp\R2Cheats_unstable.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Users\Admin\AppData\Local\Temp\XenoManager\R2Cheats_unstable.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\R2Cheats_unstable.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Chrome Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9710.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3500

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:3048

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

System Information Discovery

1

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\R2Cheats_unstable.exe.log

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\081a24cf-c4e0-41c1-a451-4ec3305f057d.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\XenoManager\R2Cheats_unstable.exe

Filesize
45KB

MD5
13449a087b4f8d0874ddd4c406059870

SHA1
f70582bdd96611bb2ccc9152e0129992f1c898d2

SHA256
e1e86016c8212f38c9b64f32b0a621c36485805b4ff2e2263f4fa9bfe30115e3

SHA512
6bc8711459dd5ba11f65321b98b257b1dd65f0c4fc22b86577d27c6d4257ea533f5db8c62d9782966fad2d05922b65d0e64bcb641b7a4335b924d760812f2447

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9710.tmp

Filesize
1KB

MD5
89ebc593143b462d66f06323968e112d

SHA1
6642054e712df352e090404c27b0842fc696868b

SHA256
4bbc4bd8fc21241c39c09b8ce7c3038c7a955fdc59519d1025b46c97e38c284b

SHA512
b9a0cd1882ccd000632fa261c0077a0413558049dc2ecae8d1931f96d2f4e4aabaa228baf0d9e9bd9cfc2bc5b6c143bbdccc6248d2d8cc29f960332ceb77371e

Download Submit
memory/1164-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/1164-1-0x0000000000150000-0x0000000000162000-memory.dmp

Filesize
72KB

Download
memory/4840-15-0x0000000074B20000-0x00000000752D1000-memory.dmp

Filesize
7.7MB

Download
memory/4840-16-0x0000000074B20000-0x00000000752D1000-memory.dmp

Filesize
7.7MB

Download
memory/4840-19-0x0000000074B20000-0x00000000752D1000-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