xenorat | a7bdca84a7c64199e130f25ad31dd71d0126db8e9d8174f51701146b21f6c4f9

General

Target
2.exe
Size 47KB
Sample261104-wxezyacs21
SHA256 a7bdca84a7c64199e130f25ad31dd71d0126db8e9d8174f51701146b21f6c4f9
MD5 ec483e8d6df0bf5595cc250a5e349305
SHA1 87db4d700904294d78af46ef24ea3b14d33edf8e
SHA512 e262a59b75b1a8f1bdeb415b9ae642efa231ca7d51c9ee53b0bff625367c49e54837c0639c661cd1b6dd754468e607dd37d8bb5013373444ee8a1cb12da6aa81
SSDEEP 768:EjdPC8xkvd0vnil8jx54mO8wC3CffnzZ5SbuDDxmIHCPW2A:ExNSd4igwo3ufnt5SbuxmIR
TLSH
T14A23E64C67AD8527F6AF5ABD58724283C7B7F222A532E38F08CCC4D8278778549453A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xenorat persistence rat trojan

Malware Config

Extracted

Family

xenorat

C2

68gbcom.co

Mutex

tttt

Attributes

delay
5000
install_path
temp
port
443
startup_name
winservice.msi

Signatures

Family: XenoRat
XenoRat is a remote access trojan written in C#.
trojan rat xenorat

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/820-0-0x0000000000580000-0x0000000000592000-memory.dmp	family_xenorat
behavioral2/files/0x0007000000028624-3.dat	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-1-5-21-3718455638-2296795630-1576855121-1000\Control Panel\International\Geo\Nation	2.exe

Executes dropped EXE 2 IoCs

pid	Process
2408	2.exe
2816	2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	2.exe

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	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2.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
4100	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	820	2.exe
Token: SeDebugPrivilege	2408	2.exe
Token: SeDebugPrivilege	2816	2.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 2408	820	2.exe	93
PID 2408 wrote to memory of 4100	2408	2.exe	94

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Checks computer location settings
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820
- C:\Users\Admin\AppData\Local\Temp\XenoManager\2.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\2.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "winservice.msi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp243.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4100

C:\Users\Admin\AppData\Local\Temp\XenoManager\2.exe
C:\Users\Admin\AppData\Local\Temp\XenoManager\2.exe
1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2816

Network

MITRE ATT&CK Enterprise v16

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

2.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2.exe.log
Size 847B
SHA256 4597cbb41260631877633b75248620cbff79d2359c5f553b41d1e845080f6399
MD5 72305e6c7d0336a5b729781f69fcd4af
SHA1 afc5955b5f991f9845b795dc207582b3d9500a1a
SHA512 e6b375610cdbfa36925fb77999fb5adcdb34b7a4805f560ba1222568ab3b22fbb10c2e069979ad01cb7fe543495d9ce459cb43b8769b462a2f152e86aa1eb5d9
TLSH
T1CC018E312331B1D589423F43195C29C516FF47847564FE2C75D9225FD92B01B2F222E3
MD5 SHA1 SHA512 TLSH

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2.exe

Path C:\Users\Admin\AppData\Local\Temp\XenoManager\2.exe
Size 47KB
SHA256 a7bdca84a7c64199e130f25ad31dd71d0126db8e9d8174f51701146b21f6c4f9
MD5 ec483e8d6df0bf5595cc250a5e349305
SHA1 87db4d700904294d78af46ef24ea3b14d33edf8e
SHA512 e262a59b75b1a8f1bdeb415b9ae642efa231ca7d51c9ee53b0bff625367c49e54837c0639c661cd1b6dd754468e607dd37d8bb5013373444ee8a1cb12da6aa81
SSDEEP 768:EjdPC8xkvd0vnil8jx54mO8wC3CffnzZ5SbuDDxmIHCPW2A:ExNSd4igwo3ufnt5SbuxmIR
TLSH
T14A23E64C67AD8527F6AF5ABD58724283C7B7F222A532E38F08CCC4D8278778549453A7
MD5 SHA1 SHA512 SSDEEP TLSH

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tmp243.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp243.tmp
Size 1KB
SHA256 47ba4e9c9a3bb7d5d25d9267b99cac8880592a62df3b4f124f92dcfcd71f0fcc
MD5 c517d8f743e3f4c0308204e5304a87a2
SHA1 01ebfd8a52b1a23d8db6b8c72e24a42f68d6ffdd
SHA512 eabd174caff7bb5896d8de6b5348826ffe6511cc7adc46c16bf2d666c44c8e3e4280a3b16f5bcda70eec39a947c0398006069c2badd52c0972cdde35e56aaf10
TLSH
T1D211DDB2E4F16A0262161C24C3925A436D66A3BB4666007CF8CC4628BFCFDCF508337B
MD5 SHA1 SHA512 TLSH

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memory/820-0-0x0000000000580000-0x0000000000592000-memory.dmp

Download

memory/820-1-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

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memory/820-2-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Download

memory/2408-6-0x0000000004C30000-0x0000000004C40000-memory.dmp

Download

memory/2408-7-0x0000000004C30000-0x0000000004C40000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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