xenorat | 05c89adfb97d0bc4b3edb18498844a9ccb013161b8034f2946eddedf44ad9407

General

Target

GERTGEWSRG.exe
Size

45KB
MD5

a899ac5a3deacb376283e19b5473f0c6
SHA1

0eea6b2835d2eb3bbd047c76bc21929dea157e47
SHA256

05c89adfb97d0bc4b3edb18498844a9ccb013161b8034f2946eddedf44ad9407
SHA512

bc3561e3474087d88abb1ea137b4688550afa93f0046f69af41ccd34e77ac0f10937194e1ad1f6ea44edc30215f1e9fa47b6dce945b944811a74a290702f6208
SSDEEP

768:pdhO/poiiUcjlJIndbqmH9Xqk5nWEZ5SbTDafWI7CPW5x:nw+jjgnNH9XqcnW85SbTuWIp

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
1
install_path
appdata
port
8888
startup_name
Windows

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1476-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp	family_xenorat
behavioral2/files/0x000d000000023b9f-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	GERTGEWSRG.exe

Executes dropped EXE 1 IoCs

pid	Process
4112	GERTGEWSRG.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	GERTGEWSRG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GERTGEWSRG.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
3892	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 4112	1476	GERTGEWSRG.exe	83
PID 1476 wrote to memory of 4112	1476	GERTGEWSRG.exe	83
PID 1476 wrote to memory of 4112	1476	GERTGEWSRG.exe	83
PID 4112 wrote to memory of 3892	4112	GERTGEWSRG.exe	84
PID 4112 wrote to memory of 3892	4112	GERTGEWSRG.exe	84
PID 4112 wrote to memory of 3892	4112	GERTGEWSRG.exe	84

C:\Users\Admin\AppData\Local\Temp\GERTGEWSRG.exe
"C:\Users\Admin\AppData\Local\Temp\GERTGEWSRG.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Roaming\XenoManager\GERTGEWSRG.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\GERTGEWSRG.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4112
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82BD.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3892

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\GERTGEWSRG.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp82BD.tmp

Filesize
1KB

MD5
8bc510bb2e1cba73d463cc2f904ba444

SHA1
f1417e4904e78fb89cf15ac088b13070f3846ae5

SHA256
31153e237a1c719b72bb844652139e6c2adb847523074323092865250ee3f3e7

SHA512
44c2e1d63c69d89b6606e82ca2b066d7b7096f8fddbd1257ed4f3566bb46559858618806d075f4fdc20da1fae5862cedf8890c3ca16f3b541fb8c4c5a0378c42

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

Filesize
45KB

MD5
a899ac5a3deacb376283e19b5473f0c6

SHA1
0eea6b2835d2eb3bbd047c76bc21929dea157e47

SHA256
05c89adfb97d0bc4b3edb18498844a9ccb013161b8034f2946eddedf44ad9407

SHA512
bc3561e3474087d88abb1ea137b4688550afa93f0046f69af41ccd34e77ac0f10937194e1ad1f6ea44edc30215f1e9fa47b6dce945b944811a74a290702f6208

Download Submit
memory/1476-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/1476-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp

Filesize
72KB

Download
memory/4112-16-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4112-17-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4112-19-0x0000000074ED0000-0x0000000075680000-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