xenorat | 49374ca9edc1e653e96c8dcab7d387fa93b86280b8d6f5addfa732cada9a22e0

General

Target

BootstrapperNew.exe
Size

45KB
MD5

3a34dc293da8074abb942806325f438e
SHA1

d09bd07c14bc2dbfc6bb5e55fdde0069ac6a6487
SHA256

49374ca9edc1e653e96c8dcab7d387fa93b86280b8d6f5addfa732cada9a22e0
SHA512

0f33e9687173416c3cc164d6fd293dd9c043ebd607ab52ea00b41bb8b6e7c0cfef668fa5b71256e757499125f7d85dac9c8687de5b165ac6715e177e01cb09ab
SSDEEP

768:4dhO/poiiUcjlJInSVH9Xqk5nWEZ5SbTDaJuI7CPW5q:qw+jjgnSH9XqcnW85SbTkuIC

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

1.1.1.1

Mutex

Solara.Bootsrapper

Attributes

delay
5000
install_path
temp
port
2386
startup_name
AntiVirus

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/memory/4484-1-0x0000000000E50000-0x0000000000E62000-memory.dmp	family_xenorat
behavioral1/files/0x001b00000002aa8b-6.dat	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
4200	BootstrapperNew.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	BootstrapperNew.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BootstrapperNew.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
1460	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 4200	4484	BootstrapperNew.exe	77
PID 4484 wrote to memory of 4200	4484	BootstrapperNew.exe	77
PID 4484 wrote to memory of 4200	4484	BootstrapperNew.exe	77
PID 4200 wrote to memory of 1460	4200	BootstrapperNew.exe	78
PID 4200 wrote to memory of 1460	4200	BootstrapperNew.exe	78
PID 4200 wrote to memory of 1460	4200	BootstrapperNew.exe	78

C:\Users\Admin\AppData\Local\Temp\BootstrapperNew.exe
"C:\Users\Admin\AppData\Local\Temp\BootstrapperNew.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Users\Admin\AppData\Local\Temp\XenoManager\BootstrapperNew.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\BootstrapperNew.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4200
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "AntiVirus" /XML "C:\Users\Admin\AppData\Local\Temp\tmp927C.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1460

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\BootstrapperNew.exe.log

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

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

Filesize
45KB

MD5
3a34dc293da8074abb942806325f438e

SHA1
d09bd07c14bc2dbfc6bb5e55fdde0069ac6a6487

SHA256
49374ca9edc1e653e96c8dcab7d387fa93b86280b8d6f5addfa732cada9a22e0

SHA512
0f33e9687173416c3cc164d6fd293dd9c043ebd607ab52ea00b41bb8b6e7c0cfef668fa5b71256e757499125f7d85dac9c8687de5b165ac6715e177e01cb09ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp927C.tmp

Filesize
1KB

MD5
6595c71a6bf227533370b8d50093c1e0

SHA1
b8fc1eb0772c38ef07cf4ab06dccbd87d3ae0b6d

SHA256
49a87a04ecd0c1d42b6d46fb386d06a0ad8e6d68186e0cd0e0b7ae3e33b6938e

SHA512
709710270743bd2e5bb8c878ee05a0dbfdf847ab2d28003a9eed2df8022e17ffce6342bce2b6b4785ca905f615ced7fe07d86925a8b201305c77933e9170d982

Download Submit
memory/4200-15-0x00000000746A0000-0x0000000074E51000-memory.dmp

Filesize
7.7MB

Download
memory/4484-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/4484-1-0x0000000000E50000-0x0000000000E62000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads