xenorat | 8d8f1ec5d3d8dc19638ec48df2301cffa7b5f9aa5d5aba59d9ea2e3d4a45adef

General

Target
[email protected]
Size 47KB
Sample261102-ntlpbahs8z
SHA256 8d8f1ec5d3d8dc19638ec48df2301cffa7b5f9aa5d5aba59d9ea2e3d4a45adef
MD5 7d9888f0bbdc872472f9f9da3ba008b1
SHA1 0a427a0829661448bae1c78b38d03be7cbd3df21
SHA512 80523808dd549108eff864d238468fe14c904a61c941ff1d71ba1edf78361c4d2a9ac06d44154988bf6fea5dcc555f25289ec82d79d1b2bd06a47865c7388017
SSDEEP 768:9jdPC8xkvd0vnil8jx54mO8wC3CffnzZ5SbuDD4KP0529cXWSFozulCrAB1EmIHx:9xNSd4igwo3ufnt5SbuFmIR
TLSH
T16D23E74C676D8523F6AF5ABD9872428387B7F326A532E38F08CCC4D8278778549453A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xenorat persistence rat trojan

Malware Config

Extracted

Family

xenorat

C2

mu88a2.com

Mutex

robo

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 4 IoCs

resource	yara_rule
behavioral1/memory/4900-0-0x00000000009A0000-0x00000000009B2000-memory.dmp	family_xenorat
behavioral1/files/0x000800000002465a-6.dat	family_xenorat
behavioral1/memory/2416-16-0x0000000002E30000-0x0000000002E40000-memory.dmp	family_xenorat
behavioral1/memory/2416-17-0x0000000002E30000-0x0000000002E40000-memory.dmp	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-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	[email protected]

Executes dropped EXE 2 IoCs

pid	Process
2416	[email protected]
3412	[email protected]

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\Hostname	[email protected]
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	[email protected]
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	[email protected]
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	[email protected]
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	[email protected]
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	[email protected]

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	[email protected]

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
1260	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	[email protected]
Token: SeDebugPrivilege	2416	[email protected]
Token: SeDebugPrivilege	3412	[email protected]

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 2416	4900	[email protected]	94
PID 2416 wrote to memory of 1260	2416	[email protected]	97

C:\Users\Admin\AppData\Local\Temp\[email protected]
"C:\Users\Admin\AppData\Local\Temp\[email protected]"
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:4900
- C:\Users\Admin\AppData\Local\Temp\XenoManager\[email protected]
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\[email protected]"
  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:2416
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "winservice.msi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD807.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1260

C:\Users\Admin\AppData\Local\Temp\XenoManager\[email protected]
C:\Users\Admin\AppData\Local\Temp\XenoManager\[email protected]
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:3412

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

[email protected]

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\[email protected]
Size 847B
SHA256 38ef57aec780edd2c8dab614a85ce87351188fce5896ffebc9f69328df2056ed
MD5 f8ec7f563d06ccddddf6c96b8957e5c8
SHA1 73bdc49dcead32f8c29168645a0f080084132252
SHA512 8830821ac9edb4cdf4d8a3d7bc30433987ae4c158cf81b705654f54aaeba366c5fa3509981aceae21e193dd4483f03b9d449bc0a32545927d3ca94b0f9367684
TLSH
T1330166702322B5D589023F43195D658516FF4758A660FE2CB999225FD92A0272F362E3
MD5 SHA1 SHA512 TLSH

Submit Download

[email protected]

Path C:\Users\Admin\AppData\Local\Temp\XenoManager\[email protected]
Size 47KB
SHA256 8d8f1ec5d3d8dc19638ec48df2301cffa7b5f9aa5d5aba59d9ea2e3d4a45adef
MD5 7d9888f0bbdc872472f9f9da3ba008b1
SHA1 0a427a0829661448bae1c78b38d03be7cbd3df21
SHA512 80523808dd549108eff864d238468fe14c904a61c941ff1d71ba1edf78361c4d2a9ac06d44154988bf6fea5dcc555f25289ec82d79d1b2bd06a47865c7388017
SSDEEP 768:9jdPC8xkvd0vnil8jx54mO8wC3CffnzZ5SbuDD4KP0529cXWSFozulCrAB1EmIHx:9xNSd4igwo3ufnt5SbuFmIR
TLSH
T16D23E74C676D8523F6AF5ABD9872428387B7F326A532E38F08CCC4D8278778549453A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmpD807.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpD807.tmp
Size 1KB
SHA256 ef54091587021e64752741c5178a4a995cb0a0e9f5e6244673c017ec5ce96410
MD5 4807ea539666fbaf9dc14dde2aa87852
SHA1 fc06afb65b50326642a16d516e579b368b2263da
SHA512 07b8e7bfcb5cd9f188b6c4eb653a4c2906231d781b5a327de00e23fbef7cad1aee2a9ae0313cb937c8df30c9b4872cf917f4d45fdcac73b41872230d015436dc
TLSH
T1B0119EB2E5F15A026215181583925643AD66A3AB46660078F8CC46287F8FDCF514336B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2416-16-0x0000000002E30000-0x0000000002E40000-memory.dmp

Download

memory/2416-17-0x0000000002E30000-0x0000000002E40000-memory.dmp

Download

memory/4900-0-0x00000000009A0000-0x00000000009B2000-memory.dmp

Download

memory/4900-1-0x00000000053A0000-0x00000000053B0000-memory.dmp

Download

memory/4900-2-0x00000000053A0000-0x00000000053B0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads