xenorat | ae89053448060576ac8a19a5ec05365bdf470f3276a63eb0fd01f82313279d1f

General

Target

python_309_setup.exe
Size

45KB
MD5

2dcdd4f5f1aa75d0ccc76ddb36cf8e2a
SHA1

b4b95a1e4cee0384d20f90fefd196a4175d61faf
SHA256

ae89053448060576ac8a19a5ec05365bdf470f3276a63eb0fd01f82313279d1f
SHA512

9e000cf6188ac8aa996e77033fb0edb60349feae57aaee05d7112a3192964e230fc0d37dcfc91507e36348ce18ffb0e881c9ff5f8e12538b1a2aac57531a79a1
SSDEEP

768:m/dhO/poiiUcjlJInd3H9Xqk5nWEZ5SbTDaiuI7CPW5W2YAL:m1w+jjgn5H9XqcnW85SbTnuIe2YAL

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
temp
port
4444
startup_name
nothingset

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/memory/4684-1-0x0000000000B10000-0x0000000000B22000-memory.dmp	family_xenorat
behavioral1/files/0x001e00000002ae30-6.dat	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
4628	python_309_setup.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\F:	BitLockerWizardElev.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 2 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	python_309_setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	python_309_setup.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-501547156-4130638328-323075719-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-501547156-4130638328-323075719-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-501547156-4130638328-323075719-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-501547156-4130638328-323075719-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-501547156-4130638328-323075719-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2508	Process not Found

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2124	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 4628	4684	python_309_setup.exe	82
PID 4684 wrote to memory of 4628	4684	python_309_setup.exe	82
PID 4684 wrote to memory of 4628	4684	python_309_setup.exe	82

C:\Users\Admin\AppData\Local\Temp\python_309_setup.exe
"C:\Users\Admin\AppData\Local\Temp\python_309_setup.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Users\Admin\AppData\Local\Temp\XenoManager\python_309_setup.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\python_309_setup.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4628

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2124

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:3608

C:\Windows\System32\BitLockerWizardElev.exe
"C:\Windows\System32\BitLockerWizardElev.exe" F:\ T
1⤵
- Enumerates connected drives
PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

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\python_309_setup.exe.log

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\e67bd1c4-af49-43a8-91cf-66219eeb508a.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
23KB

MD5
5726af350fb53362b67f203382fd2eaa

SHA1
11f6367d87b92d6c13deed8bc641422d0bcea990

SHA256
5423fff1b9a87ffaf764d572000f10ff80994fc8662eeef2e2c55d90f03de93b

SHA512
db9afd3bb5a52e8412fd1c6481dcc707269a04655b2528ce2c05282e7f34768e133a393302263ee99c6432ee622f0953360f33b010d5cdb4149422154d36ece7

Download Submit
C:\Users\Admin\AppData\Local\Temp\XenoManager\python_309_setup.exe

Filesize
45KB

MD5
2dcdd4f5f1aa75d0ccc76ddb36cf8e2a

SHA1
b4b95a1e4cee0384d20f90fefd196a4175d61faf

SHA256
ae89053448060576ac8a19a5ec05365bdf470f3276a63eb0fd01f82313279d1f

SHA512
9e000cf6188ac8aa996e77033fb0edb60349feae57aaee05d7112a3192964e230fc0d37dcfc91507e36348ce18ffb0e881c9ff5f8e12538b1a2aac57531a79a1

Download Submit
memory/4628-15-0x0000000074EC0000-0x0000000075671000-memory.dmp

Filesize
7.7MB

Download
memory/4628-23-0x0000000074EC0000-0x0000000075671000-memory.dmp

Filesize
7.7MB

Download
memory/4628-24-0x0000000074EC0000-0x0000000075671000-memory.dmp

Filesize
7.7MB

Download
memory/4684-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/4684-1-0x0000000000B10000-0x0000000000B22000-memory.dmp

Filesize
72KB

Download

Analysis

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