xenorat | 15b6b5588bca8c558900e44092cb741a872974e33ccb8547618cad751e464b9c

General

Target
BootstrapperNew1.exe
Size 50KB
Sample250216-trqs5ssldl
SHA256 15b6b5588bca8c558900e44092cb741a872974e33ccb8547618cad751e464b9c
MD5 1eff35c8530e3775e44c9f7096ebcda0
SHA1 41b00fb6bb5d0cece18910d3789f6a70b5eb1906
SHA512 7ae7b6e09b8afba8b27fa4db75c100659ef1e671c11b877067763ebf352f3a05404c71e587727e3cd15f68acaf539da4328f6785e4c28646e8e490c4c98903e0
SSDEEP 768:qdhO/poiiUcjlJIn3dH9Xqk5nWEZ5SbTDa5WI7CPW5ispY:Mw+jjgntH9XqcnW85SbTIWIqspY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

192.168.1.236

Mutex

Xeno_rat_nd8912d

Attributes

delay
4785
install_path
appdata
port
1194
startup_name
Solara Bootstrapper Dependinces

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4952-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp	family_xenorat
behavioral2/files/0x0007000000023df6-6.dat	family_xenorat

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
49	3000	Process not Found

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-1-5-21-3311063739-2594902809-44604183-1000\Control Panel\International\Geo\Nation	BootstrapperNew1.exe

Executes dropped EXE 1 IoCs

pid	Process
4928	BootstrapperNew1.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 4 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	BootstrapperNew1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BootstrapperNew1.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2180	MicrosoftEdgeUpdate.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
4088	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 4928	4952	BootstrapperNew1.exe	87
PID 4952 wrote to memory of 4928	4952	BootstrapperNew1.exe	87
PID 4952 wrote to memory of 4928	4952	BootstrapperNew1.exe	87
PID 4928 wrote to memory of 4088	4928	BootstrapperNew1.exe	93
PID 4928 wrote to memory of 4088	4928	BootstrapperNew1.exe	93
PID 4928 wrote to memory of 4088	4928	BootstrapperNew1.exe	93

C:\Users\Admin\AppData\Local\Temp\BootstrapperNew1.exe
"C:\Users\Admin\AppData\Local\Temp\BootstrapperNew1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Users\Admin\AppData\Roaming\XenoManager\BootstrapperNew1.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\BootstrapperNew1.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Solara Bootstrapper Dependinces" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A4C.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4088

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDMwNTQ4MzkzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2180

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

BootstrapperNew1.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BootstrapperNew1.exe.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

Submit Download

tmp9A4C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9A4C.tmp
Size 1KB
SHA256 4820306e4bbf03801fb906ef2fcdd956b9d8a5949870ece25ac21244e3285d93
MD5 4f1a3f65c726a5d1b6738fc85f4a9925
SHA1 e207b950c2f65eb9e4f59967afefa139748f4a6f
SHA512 fc836daa24cf6245f3fb6261c06e6735925a17149e7297ea4c24b297ea91eb4d9f17d8b090f0e24e970d58ba797498c390735192c5352e32ac88b1312e665339
MD5 SHA1 SHA512

Submit Download

BootstrapperNew1.exe

Path C:\Users\Admin\AppData\Roaming\XenoManager\BootstrapperNew1.exe
Size 50KB
SHA256 15b6b5588bca8c558900e44092cb741a872974e33ccb8547618cad751e464b9c
MD5 1eff35c8530e3775e44c9f7096ebcda0
SHA1 41b00fb6bb5d0cece18910d3789f6a70b5eb1906
SHA512 7ae7b6e09b8afba8b27fa4db75c100659ef1e671c11b877067763ebf352f3a05404c71e587727e3cd15f68acaf539da4328f6785e4c28646e8e490c4c98903e0
SSDEEP 768:qdhO/poiiUcjlJIn3dH9Xqk5nWEZ5SbTDa5WI7CPW5ispY:Mw+jjgntH9XqcnW85SbTIWIqspY
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4928-15-0x00000000744C0000-0x0000000074C70000-memory.dmp

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memory/4928-18-0x00000000744C0000-0x0000000074C70000-memory.dmp

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memory/4928-19-0x00000000744C0000-0x0000000074C70000-memory.dmp

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memory/4952-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

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memory/4952-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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