xenorat | e1b5a90f068ee75d794e62acb4386e49a2e48b37d58de79801b437218dc78765

General

Target

Client-build.exe
Size

45KB
MD5

304d0e77da53af75ea9b70012a78348d
SHA1

2abfcf36150e5b19e90a2df133d5d5ccdc986b7b
SHA256

e1b5a90f068ee75d794e62acb4386e49a2e48b37d58de79801b437218dc78765
SHA512

0782a2840a73ae9459ba20e7ac9bd516efa55e65c2453b6d7bc7f68b39a63012d762c678e48c2fcaeb6418b31b6d2652fa7c4f33bd6ca0e53dbc018040fff054
SSDEEP

768:WdhO/poiiUcjlJInU9SH9Xqk5nWEZ5SbTDaauI7CPW5p:Aw+jjgnUoH9XqcnW85SbTfuIR

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
appdata
port
4444
startup_name
WindowsSys64

Signatures

Detect XenoRat Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2432-1-0x0000000001330000-0x0000000001342000-memory.dmp	family_xenorat
behavioral1/files/0x0009000000015d18-4.dat	family_xenorat
behavioral1/memory/2748-9-0x0000000000290000-0x00000000002A2000-memory.dmp	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
2748	Client-build.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	Client-build.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	Client-build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Client-build.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
2668	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2748	2432	Client-build.exe	30
PID 2432 wrote to memory of 2748	2432	Client-build.exe	30
PID 2432 wrote to memory of 2748	2432	Client-build.exe	30
PID 2432 wrote to memory of 2748	2432	Client-build.exe	30
PID 2748 wrote to memory of 2668	2748	Client-build.exe	31
PID 2748 wrote to memory of 2668	2748	Client-build.exe	31
PID 2748 wrote to memory of 2668	2748	Client-build.exe	31
PID 2748 wrote to memory of 2668	2748	Client-build.exe	31

C:\Users\Admin\AppData\Local\Temp\Client-build.exe
"C:\Users\Admin\AppData\Local\Temp\Client-build.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Roaming\XenoManager\Client-build.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\Client-build.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "WindowsSys64" /XML "C:\Users\Admin\AppData\Local\Temp\tmp624C.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2668

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp624C.tmp

Filesize
1KB

MD5
4e84065ba9714547e9524fc0cc9ea0bc

SHA1
5d559eda01716ae6b16406d6b29e6482d998d06d

SHA256
6da0fcb0257f15e2ed3947ceddb801a0622c40ce59cc47624d0e5ff2a5fc7d70

SHA512
e3397c846831bb66f847f0199d442413d9fb9a4146d34f5a11d04ebd19665c0ce00183d326bbbd24de4044c6124d5f48ae9fce524ff232d607299e0ca902aee6

Download Submit
\Users\Admin\AppData\Roaming\XenoManager\Client-build.exe

Filesize
45KB

MD5
304d0e77da53af75ea9b70012a78348d

SHA1
2abfcf36150e5b19e90a2df133d5d5ccdc986b7b

SHA256
e1b5a90f068ee75d794e62acb4386e49a2e48b37d58de79801b437218dc78765

SHA512
0782a2840a73ae9459ba20e7ac9bd516efa55e65c2453b6d7bc7f68b39a63012d762c678e48c2fcaeb6418b31b6d2652fa7c4f33bd6ca0e53dbc018040fff054

Download Submit
memory/2432-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2432-1-0x0000000001330000-0x0000000001342000-memory.dmp

Filesize
72KB

Download
memory/2748-9-0x0000000000290000-0x00000000002A2000-memory.dmp

Filesize
72KB

Download
memory/2748-10-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-13-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-14-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-15-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads