xenorat | 15c2892194da8b7dd9ca72cdec0b3fb3eff422361f603ae2ae17e4be21154928

General

Target

cres.exe
Size

45KB
MD5

1e7700efbf15f37dd3f86f05c622ae32
SHA1

651957f68d597141fc5325e62189330e05434e74
SHA256

15c2892194da8b7dd9ca72cdec0b3fb3eff422361f603ae2ae17e4be21154928
SHA512

72f1a14b3e20fdf8e9c362cf621b2d1ad04dca4dcaffa0dfd9b3c6e502ed8cd6834194ddeebda74e0d6d38db3ea2102e7ec0bcb6f858df281325e9842e19b11b
SSDEEP

768:pdhO/poiiUcjlJInMC2H9Xqk5nWEZ5SbTDaauI7CPW5H:nw+jjgnt2H9XqcnW85SbT3uIf

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

90.202.105.39

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
temp
port
4444
startup_name
manager

Signatures

Detect XenoRat Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2060-1-0x0000000000B10000-0x0000000000B22000-memory.dmp	family_xenorat
behavioral1/files/0x000b000000016c1a-4.dat	family_xenorat
behavioral1/memory/2556-9-0x0000000000120000-0x0000000000132000-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
2556	cres.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	cres.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	cres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cres.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
2140	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2556	2060	cres.exe	31
PID 2060 wrote to memory of 2556	2060	cres.exe	31
PID 2060 wrote to memory of 2556	2060	cres.exe	31
PID 2060 wrote to memory of 2556	2060	cres.exe	31
PID 2556 wrote to memory of 2140	2556	cres.exe	32
PID 2556 wrote to memory of 2140	2556	cres.exe	32
PID 2556 wrote to memory of 2140	2556	cres.exe	32
PID 2556 wrote to memory of 2140	2556	cres.exe	32

C:\Users\Admin\AppData\Local\Temp\cres.exe
"C:\Users\Admin\AppData\Local\Temp\cres.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\XenoManager\cres.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\cres.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "manager" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6DD.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2140

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF6DD.tmp

Filesize
1KB

MD5
ed2ac3231d5a7037e886bbe03105f63a

SHA1
79c49e9ec0ffa044c6e83be9ca6a9f47c7626e78

SHA256
a8237f3aefc09e08608161abaa554ce88d4d706d6cbe1814b7ceff7508cd34a4

SHA512
a324b3e7475632dcf5f7bca167fa2d062a856a4e54751a94f89627e8c47787d968dc3133376a644786037c3d436da17e8e751353d176482fd1443eeaa4bce0cb

Download Submit
\Users\Admin\AppData\Local\Temp\XenoManager\cres.exe

Filesize
45KB

MD5
1e7700efbf15f37dd3f86f05c622ae32

SHA1
651957f68d597141fc5325e62189330e05434e74

SHA256
15c2892194da8b7dd9ca72cdec0b3fb3eff422361f603ae2ae17e4be21154928

SHA512
72f1a14b3e20fdf8e9c362cf621b2d1ad04dca4dcaffa0dfd9b3c6e502ed8cd6834194ddeebda74e0d6d38db3ea2102e7ec0bcb6f858df281325e9842e19b11b

Download Submit
memory/2060-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2060-1-0x0000000000B10000-0x0000000000B22000-memory.dmp

Filesize
72KB

Download
memory/2556-9-0x0000000000120000-0x0000000000132000-memory.dmp

Filesize
72KB

Download
memory/2556-10-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2556-13-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2556-14-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2556-15-0x0000000074C60000-0x000000007534E000-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