xenorat | 35ba9ddc3b170aa93a127f0fd5a6420b3643c08217be27f1253cfe2622beff81

General

Target

test1.exe
Size

45KB
MD5

1bc7383490469b2c41ef12cad90f5532
SHA1

f124850ee6059f784025801534bc11416a42f518
SHA256

35ba9ddc3b170aa93a127f0fd5a6420b3643c08217be27f1253cfe2622beff81
SHA512

72e5b8860776db408d053c327a2bd9c5f6a30c6c8d01f86bb42e56180c835bda0797d03e746009cc6ed0a8c2e9079936f245551f62913a7086da9b0148b9fd02
SSDEEP

768:ldhO/poiiUcjlJInsqH9Xqk5nWEZ5SbTDaPWI7CPW59:7w+jjgnHH9XqcnW85SbTuWIl

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

79.107.183.146

Mutex

Akis_helper

Attributes

delay
5000
install_path
appdata
port
4444
startup_name
Realtek audio manager

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2436-1-0x00000000003D0000-0x00000000003E2000-memory.dmp	family_xenorat
behavioral2/files/0x0009000000023458-6.dat	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	test1.exe

Executes dropped EXE 1 IoCs

pid	Process
3764	test1.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	test1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test1.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
4776	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 3764	2436	test1.exe	86
PID 2436 wrote to memory of 3764	2436	test1.exe	86
PID 2436 wrote to memory of 3764	2436	test1.exe	86
PID 3764 wrote to memory of 4776	3764	test1.exe	91
PID 3764 wrote to memory of 4776	3764	test1.exe	91
PID 3764 wrote to memory of 4776	3764	test1.exe	91

C:\Users\Admin\AppData\Local\Temp\test1.exe
"C:\Users\Admin\AppData\Local\Temp\test1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Roaming\XenoManager\test1.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\test1.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3764
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Realtek audio manager" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9654.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4776

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\test1.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9654.tmp

Filesize
1KB

MD5
76f8ab779c913ee5a1f6587e4c6378d7

SHA1
9f35de5ffad01d5e1e2d3421c6fe56e4e16babbb

SHA256
e0a2e8b387a70bd0f321faf50b7b0b4ae0727417d0e729864b3f7dc07f5ffdd3

SHA512
215597c6b8c23c2eea4ac1ca21ab98a430af5464f0717e9c3817bed9a13dcc814de92a6ee359156888b22cf8a2544ad04cc4373101ff0dd5649c870c2ab4c278

Download Submit
C:\Users\Admin\AppData\Roaming\XenoManager\test1.exe

Filesize
45KB

MD5
1bc7383490469b2c41ef12cad90f5532

SHA1
f124850ee6059f784025801534bc11416a42f518

SHA256
35ba9ddc3b170aa93a127f0fd5a6420b3643c08217be27f1253cfe2622beff81

SHA512
72e5b8860776db408d053c327a2bd9c5f6a30c6c8d01f86bb42e56180c835bda0797d03e746009cc6ed0a8c2e9079936f245551f62913a7086da9b0148b9fd02

Download Submit
memory/2436-0-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2436-1-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/3764-15-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-16-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-19-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-20-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads