xenorat | fc6c0a11775c1d535d50d7028bda1ec0a968302f57c568520e9cfa6d0b797a3f

General

Target
a.exe
Size 47KB
Sample261002-jrytmsda37
SHA256 fc6c0a11775c1d535d50d7028bda1ec0a968302f57c568520e9cfa6d0b797a3f
MD5 4563e6293dd8a47097a563df73374625
SHA1 adcd3d9d3e5d7cfd116530554d6c6d5246e64467
SHA512 b8d85fe421c711d730457b5a737a9a1bb722dad48719552116c711e48632724180475a8520f1a98cfdf5ad41bf27ebf723b5f224a724c87fa43a926fd1e79c8d
SSDEEP 768:2jdPC8xkvd0vnil8jx56GTuwC3CffnzZ5SbuDDbmIHCPW2Bl:2xNSd4igiJ3ufnt5SbubmICl
TLSH
T18723E64C676D8527F6AF4ABD5872528397B7F322A532E38F08CCC4D8278738589453A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xenorat persistence rat trojan

Malware Config

Extracted

Family

xenorat

C2

s666qg.com

Mutex

backdoor

Attributes

delay
5000
install_path
appdata
port
80
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
behavioral1/memory/2240-0-0x0000000000890000-0x00000000008A2000-memory.dmp	family_xenorat
behavioral1/files/0x0007000000024511-6.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-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\International\Geo\Nation	a.exe

Executes dropped EXE 2 IoCs

pid	Process
4576	a.exe
1808	a.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\Hostname	a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	a.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a.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
772	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	a.exe
Token: SeDebugPrivilege	4576	a.exe
Token: SeDebugPrivilege	1808	a.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 4576	2240	a.exe	97
PID 4576 wrote to memory of 772	4576	a.exe	110

C:\Users\Admin\AppData\Local\Temp\a.exe
"C:\Users\Admin\AppData\Local\Temp\a.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:2240
- C:\Users\Admin\AppData\Roaming\XenoManager\a.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\a.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:4576
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "winservice.msi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp332C.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:772

C:\Users\Admin\AppData\Roaming\XenoManager\a.exe
C:\Users\Admin\AppData\Roaming\XenoManager\a.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:1808

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

Replay Monitor

Loading Replay Monitor...

Downloads

a.exe.log

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

Submit Download

tmp332C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp332C.tmp
Size 1KB
SHA256 151ce8f2faa4bdb4879e69df7d638755a009c74aeeca1f3073783d2481f2a1ca
MD5 38d98e03536cab6746e6347cc6439cf2
SHA1 68d226983b3ba47963f9a9f98c08af6487482544
SHA512 3b06b2ffbd9b173460848d95c6b22ce4cb937c98167ff6acd6c5e0f7b052ba2628faf551c26266db1d7bb56329420cbf77807948b16977370103a8a52266c225
TLSH
T1B511DDB294F06A0262160C24C3965A436D66A3BB46A6007CF8CC4628BFCECCE404337B
MD5 SHA1 SHA512 TLSH

Submit Download

a.exe

Path C:\Users\Admin\AppData\Roaming\XenoManager\a.exe
Size 47KB
SHA256 fc6c0a11775c1d535d50d7028bda1ec0a968302f57c568520e9cfa6d0b797a3f
MD5 4563e6293dd8a47097a563df73374625
SHA1 adcd3d9d3e5d7cfd116530554d6c6d5246e64467
SHA512 b8d85fe421c711d730457b5a737a9a1bb722dad48719552116c711e48632724180475a8520f1a98cfdf5ad41bf27ebf723b5f224a724c87fa43a926fd1e79c8d
SSDEEP 768:2jdPC8xkvd0vnil8jx56GTuwC3CffnzZ5SbuDDbmIHCPW2Bl:2xNSd4igiJ3ufnt5SbubmICl
TLSH
T18723E64C676D8527F6AF4ABD5872528397B7F322A532E38F08CCC4D8278738589453A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2240-0-0x0000000000890000-0x00000000008A2000-memory.dmp

Download

memory/2240-1-0x0000000005340000-0x0000000005350000-memory.dmp

Download

memory/2240-2-0x0000000005340000-0x0000000005350000-memory.dmp

Download

memory/4576-16-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

Download

memory/4576-17-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads