xenorat | c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8

General

Target

c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe
Size

127KB
MD5

e56cee3aba6280693ac9bcd2c4f184ec
SHA1

e2ec215868b0a2528e5ee25eb89f9661527e2f78
SHA256

c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8
SHA512

466732320ee94693bc8327826b1021e414c8b03c35c0a0302c5f98404b2886b1274a327804e8449f298454e76e6e69693746a77f767f6145a96430f4a15e4929
SSDEEP

3072:TQiLrCFq0btnCrCFaQImMqU/unn8fVcgz7Gp1q1vg:5OrFZaqU/uwcgvGn6

Score

10^/10

Malware Config

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/220-1-0x0000000000660000-0x0000000000686000-memory.dmp	family_xenorat
behavioral2/files/0x0008000000024258-7.dat	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat family
xenorat

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/220-1-0x0000000000660000-0x0000000000686000-memory.dmp	net_reactor
behavioral2/files/0x0008000000024258-7.dat	net_reactor

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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.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	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.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
876	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 3004	220	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe	89
PID 220 wrote to memory of 3004	220	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe	89
PID 220 wrote to memory of 3004	220	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe	89
PID 3004 wrote to memory of 876	3004	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe	99
PID 3004 wrote to memory of 876	3004	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe	99
PID 3004 wrote to memory of 876	3004	c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe	99

C:\Users\Admin\AppData\Local\Temp\c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe
"C:\Users\Admin\AppData\Local\Temp\c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:220
- C:\Users\Admin\AppData\Local\Temp\XenoManager\c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "SecurityHealth" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99BF.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:876

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\XenoManager\c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8.exe

Filesize
127KB

MD5
e56cee3aba6280693ac9bcd2c4f184ec

SHA1
e2ec215868b0a2528e5ee25eb89f9661527e2f78

SHA256
c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8

SHA512
466732320ee94693bc8327826b1021e414c8b03c35c0a0302c5f98404b2886b1274a327804e8449f298454e76e6e69693746a77f767f6145a96430f4a15e4929

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp99BF.tmp

Filesize
1KB

MD5
42870fb0ad2caa100355e541329128e3

SHA1
cbfba6b1b432ddddbb1cbcfeb9b6284f635f314f

SHA256
7f344e7862ac67421e2212127a9512085bbb32107cf20c5eea42b7c08a4213d4

SHA512
bf89ed1f67f6b1b786c7962470a29a04dafa569e3c381c14eecfd9efcb645eab3d54021db62f52380077083840c79688e0c5e1719acd126159ed4015a2b87abb

Download Submit
memory/220-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/220-1-0x0000000000660000-0x0000000000686000-memory.dmp

Filesize
152KB

Download
memory/220-2-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/220-16-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3004-17-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3004-18-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3004-21-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads