xenorat | 056711aee2b3c17d3d43ac64740d1b487e1d4a1b741a445dd3d6f1939785ede3

Analysis

max time kernel
53s
max time network
22s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
04-04-2024 16:59

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General

Target

Hmm.exe
Size

45KB
MD5

67ac400542ed1106c27e0c0958ea358b
SHA1

3469e557ddd63b7c13a55475d7e9911dce9778ba
SHA256

056711aee2b3c17d3d43ac64740d1b487e1d4a1b741a445dd3d6f1939785ede3
SHA512

988106796b5017e082154b997a35428369aa628831386e99c15fc6b8ee02676b08e319e97964c8b91d7d71434e5e1d775a3c563ce63cf69994191013fbc33de4
SSDEEP

768:SdhO/poiiUcjlJIn+lH9Xqk5nWEZ5SbTDa/WI7CPW5h:0w+jjgn+H9XqcnW85SbTmWI5

Score

10^/10

xenorat rat trojan

Malware Config

Extracted

Family

xenorat

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
nothingset
port
4444
startup_name
Updater

Signatures

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

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\4183903823\2290032291.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\1601268389\715946058.pri	taskmgr.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	taskmgr.exe
Token: SeSystemProfilePrivilege	4044	taskmgr.exe
Token: SeCreateGlobalPrivilege	4044	taskmgr.exe
Token: 33	4044	taskmgr.exe
Token: SeIncBasePriorityPrivilege	4044	taskmgr.exe

Suspicious use of FindShellTrayWindow 31 IoCs

pid	Process
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe

Suspicious use of SendNotifyMessage 31 IoCs

pid	Process
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe
4044	taskmgr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 4624	4732	Hmm.exe	73
PID 4732 wrote to memory of 4624	4732	Hmm.exe	73
PID 4732 wrote to memory of 4624	4732	Hmm.exe	73

C:\Users\Admin\AppData\Local\Temp\Hmm.exe
"C:\Users\Admin\AppData\Local\Temp\Hmm.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /Create /TN "Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3BB.tmp" /F
  2⤵
  - Creates scheduled task(s)
  PID:4624

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /7
1⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD3BB.tmp

Filesize
1KB

MD5
c2238ac7825bd568226e753fba8a31d0

SHA1
d9e6a8b98fe452eee8f5537485b29235f18d900a

SHA256
7475295b7f41afb877264e421d47a085d746c8b9e74d56c13781b11316296790

SHA512
2318dd10175a300539d50c5fb37f2750414c75efc9a30f5b0ef5c2bb2aa814ec4caca03230dfed06d0a17a7651c47428ea28844079d70610a9de187fc907f498

Download Submit
memory/4732-0-0x0000000000E60000-0x0000000000E72000-memory.dmp

Filesize
72KB

Download
memory/4732-1-0x0000000073760000-0x0000000073E4E000-memory.dmp

Filesize
6.9MB

Download
memory/4732-2-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/4732-5-0x0000000073760000-0x0000000073E4E000-memory.dmp

Filesize
6.9MB

Download