neshta | 39505bf9b61e4886a5e886d9ec0b50f00ce691c8c7c6934fdb62a90ee0eb7997

Analysis

max time kernel
129s
max time network
138s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07/02/2025, 07:23 UTC

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General

Target

XClient.exe
Size

101KB
MD5

7e7c78851deff9d56a07aa149014f4f0
SHA1

5f4caa9c70e3aa6994c76a416a3192b272879475
SHA256

39505bf9b61e4886a5e886d9ec0b50f00ce691c8c7c6934fdb62a90ee0eb7997
SHA512

0e07c6c400472d4322c438efc1e3a2e528dc764ee342baaddd25e75db4a3005d717f0e6d4b975eba6a7acb8483515f7e82b0887dbf0d42679c4c83c68fe00625
SSDEEP

1536:JxqjQ+P04wsmJCgQ5eVOH9SNI5bj/OWVsqXl9ikVruPWVRDFaNIp1kbgwyr:sr85CAVOHUNIbj/OYlXqe1EIbkbgnr

Score

10^/10

neshta xworm discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:6000

74.249.113.208:6000

Attributes

install_file
USB.exe

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010315-9.dat	family_neshta
behavioral1/memory/2708-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2708-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016d0e-8.dat	family_xworm
behavioral1/memory/2884-12-0x00000000003A0000-0x00000000003B6000-memory.dmp	family_xworm

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Neshta family
neshta
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Executes dropped EXE 1 IoCs

pid	Process
2884	XClient.exe

Loads dropped DLL 2 IoCs

pid	Process
2708	XClient.exe
2708	XClient.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	XClient.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	XClient.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	XClient.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	XClient.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	XClient.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	XClient.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	XClient.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	XClient.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	XClient.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	XClient.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	XClient.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	XClient.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	XClient.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	XClient.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 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	XClient.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	XClient.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	XClient.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2884	2708	XClient.exe	31
PID 2708 wrote to memory of 2884	2708	XClient.exe	31
PID 2708 wrote to memory of 2884	2708	XClient.exe	31
PID 2708 wrote to memory of 2884	2708	XClient.exe	31

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\3582-490\XClient.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\XClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2884

Network

No results found

74.249.113.208:6000

XClient.exe

152 B
3
74.249.113.208:6000

XClient.exe

152 B
3
127.0.0.1:6000

XClient.exe
127.0.0.1:6000

XClient.exe
74.249.113.208:6000

XClient.exe

152 B
3
74.249.113.208:6000

XClient.exe

152 B
3
74.249.113.208:6000

XClient.exe

152 B
3

No results found

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\XClient.exe

Filesize
60KB

MD5
64c62bd8f4f6cc59800fbd0c5db24f6f

SHA1
d8a4cab2cfe708116347c8d45a4ed531b4bd18a9

SHA256
621a4767b78e23621629f3abcc77504163a9effdcd13ea9aaa561a2044bbb5fa

SHA512
bbc6a618eca27a2465165317afbbeb03b81200aa8662adb0049f5504534ec0c780d265419317640d06f561e1ad9ff8703a04dd2d95ca72392a88c99931523f6a

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/2708-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2708-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2884-11-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/2884-12-0x00000000003A0000-0x00000000003B6000-memory.dmp

Filesize
88KB

Download
memory/2884-85-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2884-86-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/2884-88-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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