xenorat | 9df32d691dc6483d47b40e6154aeff36f0acdc009c07b4af48618c4fb6b21b9f

Analysis

max time kernel
148s
max time network
157s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
15-02-2025 16:14

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General

Target

KQlljCB.exe
Size

499KB
MD5

7289b991c37d058b2e69b3983f75d122
SHA1

b89acc7669c5e84c1e5e9bcf0822df8803f10e43
SHA256

9df32d691dc6483d47b40e6154aeff36f0acdc009c07b4af48618c4fb6b21b9f
SHA512

958e5ba3326d01653d5218f578c909012d4a26d0bad7a467569395a080d5531103c92cd55cf049daa491826ea371dc3cc665560dcab127b6e38c9e399359a60c
SSDEEP

12288:d7Wnj4mpB/33bxyy0vyJ2qiJSUINUpqag73a3Bkl:tyjVn/3LxavmzsINUpvg7

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

196.251.87.37

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
temp
port
4782
startup_name
nothingset

Signatures

Detect XenoRat Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4952-0-0x0000000000400000-0x0000000000412000-memory.dmp	family_xenorat

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

Downloads MZ/PE file 2 IoCs

flow	pid	Process
21	4072	Process not Found
49	4072	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1208 set thread context of 4952	1208	KQlljCB.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2372	4952	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 1 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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3024	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88
PID 1208 wrote to memory of 4952	1208	KQlljCB.exe	88

C:\Users\Admin\AppData\Local\Temp\KQlljCB.exe
"C:\Users\Admin\AppData\Local\Temp\KQlljCB.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:4952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 76
    3⤵
    - Program crash
    PID:2372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4952 -ip 4952
1⤵
PID:4556

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7OERGRTAxQTgtNzVBQy00NDRFLUE4OTItNTkzODAwMkZBQjhEfSIgdXNlcmlkPSJ7NzcxNDJBQzYtNjQwNi00MzlBLUIzMjQtMkFFN0M4NTUyRDAzfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7MEY5QjkwRkYtNUVENy00QTE2LUJCRjQtNTIyNzczMTMwNTAxfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0NC40NTI5IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iMTI1IiBpc193aXA9IjAiIGlzX2luX2xvY2tkb3duX21vZGU9IjAiLz48b2VtIHByb2R1Y3RfbWFudWZhY3R1cmVyPSIiIHByb2R1Y3RfbmFtZT0iIi8-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
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4952-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

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