neshta | bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 22:12

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General

Target

bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
Size

2.0MB
MD5

f64963f2ff7f5439e35b1267b439c550
SHA1

d2faba1891c3991554b7b5e4ee9fa48a36def7b3
SHA256

bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096
SHA512

d9fe36c797a4d1caeda903d254ff99555aab153f381d0f53af0660fddf7e2446c2140a49994df32469f74d114ca7e4327c6c1ec5e2f4aad7453d52f1120944ba
SSDEEP

49152:Dhxb/kOrTW+uUa0IJLipx8N2pD8W3O0pXEUWbeFdL4:DhF/kYWUa7JO/8Nu8kRGAdL4

Score

10^/10

neshta discovery persistence spyware stealer upx

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-11.dat	family_neshta
behavioral1/memory/2228-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2228-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

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

Executes dropped EXE 1 IoCs

pid	Process
2380	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe

Loads dropped DLL 2 IoCs

pid	Process
2228	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
2228	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.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\" %*"	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0008000000016ac1-2.dat	upx
behavioral1/memory/2380-12-0x0000000000400000-0x00000000009C3000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.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	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.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\" %*"	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2380	2228	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe	30
PID 2228 wrote to memory of 2380	2228	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe	30
PID 2228 wrote to memory of 2380	2228	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe	30
PID 2228 wrote to memory of 2380	2228	bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe	30

C:\Users\Admin\AppData\Local\Temp\bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
"C:\Users\Admin\AppData\Local\Temp\bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.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:2228
- C:\Users\Admin\AppData\Local\Temp\3582-490\bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe"
  2⤵
  - Executes dropped EXE
  PID:2380

Network

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

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\bd81342779380999de528ac8013678de06c44541e87c587182df3b84c9b0f096N.exe

Filesize
2.0MB

MD5
4b9f0f200e5af8a64d6e9a577a3302a9

SHA1
08df13fccc4385bc8ffe6d91cc71ea3702df80a2

SHA256
e147ac573b5563030a60d44b15f94fd749ad3f995cb51b3b46c7269cf584f7ee

SHA512
db1947492290c4bb4d427ec192181008543eb365fbbb8d79a261c0446ff7f30f471333055bdc5d88daeae32307f6336e3b4fe7d04fc63f0ce78df99106ffeea5

Download Submit
memory/2228-9-0x0000000002C70000-0x0000000003233000-memory.dmp

Filesize
5.8MB

Download
memory/2228-86-0x0000000002C70000-0x0000000003233000-memory.dmp

Filesize
5.8MB

Download
memory/2228-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2228-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2380-12-0x0000000000400000-0x00000000009C3000-memory.dmp

Filesize
5.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads