xenorat | c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8

General

Target

SecurityHealth.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/5032-1-0x0000000000490000-0x00000000004B6000-memory.dmp	family_xenorat
behavioral2/files/0x0007000000024340-7.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/5032-1-0x0000000000490000-0x00000000004B6000-memory.dmp	net_reactor
behavioral2/files/0x0007000000024340-7.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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	SecurityHealth.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	SecurityHealth.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	SecurityHealth.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecurityHealth.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
3040	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2428	5032	SecurityHealth.exe	88
PID 5032 wrote to memory of 2428	5032	SecurityHealth.exe	88
PID 5032 wrote to memory of 2428	5032	SecurityHealth.exe	88
PID 2428 wrote to memory of 3040	2428	SecurityHealth.exe	97
PID 2428 wrote to memory of 3040	2428	SecurityHealth.exe	97
PID 2428 wrote to memory of 3040	2428	SecurityHealth.exe	97

C:\Users\Admin\AppData\Local\Temp\SecurityHealth.exe
"C:\Users\Admin\AppData\Local\Temp\SecurityHealth.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\XenoManager\SecurityHealth.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\SecurityHealth.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "SecurityHealth" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9858.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3040

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\SecurityHealth.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

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

Filesize
127KB

MD5
e56cee3aba6280693ac9bcd2c4f184ec

SHA1
e2ec215868b0a2528e5ee25eb89f9661527e2f78

SHA256
c1f70fb2c07ec6e8a69d1bfc4998703481adf5301b44af75b125f11776da77f8

SHA512
466732320ee94693bc8327826b1021e414c8b03c35c0a0302c5f98404b2886b1274a327804e8449f298454e76e6e69693746a77f767f6145a96430f4a15e4929

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9858.tmp

Filesize
1KB

MD5
0299ea7325b876385ff4781e402a92a0

SHA1
3de64c1c9044cbc17adc011a8dbf97b90e5fb1ea

SHA256
cd8e54d55deb6d823cf91ad6092058d9a7ef5d927a70df5e99a67bed95fbc535

SHA512
ca678702da2577a53a1d0bfc0415b461548187b31d4e2455905f940e49041fe5471a7de630bcc58d8d06368a7bb373aa2d80e7752f7d6505ef7d4ae11a8cd637

Download Submit
memory/2428-16-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/2428-18-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/2428-21-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/2428-22-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5032-0-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/5032-1-0x0000000000490000-0x00000000004B6000-memory.dmp

Filesize
152KB

Download
memory/5032-3-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5032-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads