xenorat | 5c24efdc7fa4e803616b48f2fa03c861b2d87dc6339b298baf8626a220b2e930

General

Target
skid.exe
Size 46KB
Sample250331-s8elrsvrv2
SHA256 5c24efdc7fa4e803616b48f2fa03c861b2d87dc6339b298baf8626a220b2e930
MD5 b61b5c0bff0b8923d7457866ff3ddf4e
SHA1 dbe578aee200e3665053801d93447e3e98e6c75a
SHA512 624ed755bed9051ed952559814ece72d5e8c97c9c3a28137a90893b474dbe00311fd27050e5cc60fe70dbb74e56c1c4126a3b8d6b910b56135e4185f8d79c94c
SSDEEP 768:7dhO/poiiUcjlJInWa3H9Xqk5nWEZ5SbTDaTuI7CPW5h:pw+jjgnzH9XqcnW85SbTWuIZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

tcp://adminaahliya-20192.portmap.io

Mutex

skid_nigger@skid_C2

Attributes

delay
5000
install_path
appdata
port
20192
startup_name
Windows Updater

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/memory/4068-1-0x0000000000470000-0x0000000000482000-memory.dmp	family_xenorat
behavioral1/files/0x000d000000023f49-6.dat	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat 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-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	skid.exe

Executes dropped EXE 1 IoCs

pid	Process
1772	skid.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	skid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skid.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
5016	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 1772	4068	skid.exe	88
PID 4068 wrote to memory of 1772	4068	skid.exe	88
PID 4068 wrote to memory of 1772	4068	skid.exe	88
PID 1772 wrote to memory of 5016	1772	skid.exe	94
PID 1772 wrote to memory of 5016	1772	skid.exe	94
PID 1772 wrote to memory of 5016	1772	skid.exe	94

C:\Users\Admin\AppData\Local\Temp\skid.exe
"C:\Users\Admin\AppData\Local\Temp\skid.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Users\Admin\AppData\Roaming\XenoManager\skid.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\skid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Windows Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmp785C.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5016

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

skid.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\skid.exe.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

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tmp785C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp785C.tmp
Size 1KB
SHA256 8a557a8adbf66bcc8538c7695fa29b9d232c93c7b16107ff36df3571ff2a0311
MD5 d89f4aa7e4cfce19576f43fb3b7ceba3
SHA1 e9b886c7ad800b336c89ae5811b2b88e33f71b7d
SHA512 f7bd4699746b467d9ef9033752af7a4a26510ba3f85af5e8774aa140eb91fc3da1f1c2b8b70e387abd9d1ee1d195ff7a9e8fb24272c2df702ca416a190b31954
MD5 SHA1 SHA512

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skid.exe

Path C:\Users\Admin\AppData\Roaming\XenoManager\skid.exe
Size 46KB
SHA256 5c24efdc7fa4e803616b48f2fa03c861b2d87dc6339b298baf8626a220b2e930
MD5 b61b5c0bff0b8923d7457866ff3ddf4e
SHA1 dbe578aee200e3665053801d93447e3e98e6c75a
SHA512 624ed755bed9051ed952559814ece72d5e8c97c9c3a28137a90893b474dbe00311fd27050e5cc60fe70dbb74e56c1c4126a3b8d6b910b56135e4185f8d79c94c
SSDEEP 768:7dhO/poiiUcjlJInWa3H9Xqk5nWEZ5SbTDaTuI7CPW5h:pw+jjgnzH9XqcnW85SbTWuIZ
MD5 SHA1 SHA512 SSDEEP

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memory/1772-15-0x00000000749D0000-0x0000000075180000-memory.dmp

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memory/1772-18-0x00000000749D0000-0x0000000075180000-memory.dmp

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memory/1772-19-0x00000000749D0000-0x0000000075180000-memory.dmp

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memory/4068-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

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memory/4068-1-0x0000000000470000-0x0000000000482000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads