neshta | bee915f7b4839aa228a3126033c83b2a92abc83dbf4fe3992dfed410e6df60a4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 07:45

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General

Target

49af5bac2deaff0cb21562ed7f763f30N.exe
Size

1.1MB
MD5

49af5bac2deaff0cb21562ed7f763f30
SHA1

86ebceb31c67c4ed7dc01c7bad334807eb015848
SHA256

bee915f7b4839aa228a3126033c83b2a92abc83dbf4fe3992dfed410e6df60a4
SHA512

b033f8167a7ddd889beec8b4050eea242dd9d08f165b384f47a74406d12a483e055c0b184e298d74eeb68ec8c0d3ed2f718bbffe1fd578911c9284462da1c0d9
SSDEEP

6144:k97hogfXRrjvrSXN08IVLIBnF0tuw0GLpZmw9yNIKGq02OZhogfXRrjvrSXN08I1:M9NaGTgjGqE9NDbh

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010319-10.dat	family_neshta
behavioral1/memory/2848-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2848-88-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2264	49af5bac2deaff0cb21562ed7f763f30N.exe

Loads dropped DLL 2 IoCs

pid	Process
2848	49af5bac2deaff0cb21562ed7f763f30N.exe
2848	49af5bac2deaff0cb21562ed7f763f30N.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\" %*"	49af5bac2deaff0cb21562ed7f763f30N.exe

Reads user/profile data of web browsers 2 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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	49af5bac2deaff0cb21562ed7f763f30N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	49af5bac2deaff0cb21562ed7f763f30N.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	49af5bac2deaff0cb21562ed7f763f30N.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\" %*"	49af5bac2deaff0cb21562ed7f763f30N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2264	2848	49af5bac2deaff0cb21562ed7f763f30N.exe	31
PID 2848 wrote to memory of 2264	2848	49af5bac2deaff0cb21562ed7f763f30N.exe	31
PID 2848 wrote to memory of 2264	2848	49af5bac2deaff0cb21562ed7f763f30N.exe	31
PID 2848 wrote to memory of 2264	2848	49af5bac2deaff0cb21562ed7f763f30N.exe	31
PID 2264 wrote to memory of 2956	2264	49af5bac2deaff0cb21562ed7f763f30N.exe	32
PID 2264 wrote to memory of 2956	2264	49af5bac2deaff0cb21562ed7f763f30N.exe	32
PID 2264 wrote to memory of 2956	2264	49af5bac2deaff0cb21562ed7f763f30N.exe	32

C:\Users\Admin\AppData\Local\Temp\49af5bac2deaff0cb21562ed7f763f30N.exe
"C:\Users\Admin\AppData\Local\Temp\49af5bac2deaff0cb21562ed7f763f30N.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:2848
- C:\Users\Admin\AppData\Local\Temp\3582-490\49af5bac2deaff0cb21562ed7f763f30N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\49af5bac2deaff0cb21562ed7f763f30N.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2264 -s 528
    3⤵
    PID:2956

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

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\49af5bac2deaff0cb21562ed7f763f30N.exe

Filesize
1.1MB

MD5
6ffa187b3b1653950f0c8f1147951673

SHA1
75e8891da63d310a510ea6e830ea58620e41dfc9

SHA256
f7ad6b2b355af508b367565033cab76e5d55d0a5d08345d0ecbe98bd9ffffed6

SHA512
1597f869de00cb79b2ec2f26fa9973ab09d5557e87a6126005098e44f627bd24cbd1cb2d2e4cbfb51b7fb90a94c87d3a6278bf8ecac818fb58b516686753bc63

Download Submit
memory/2264-11-0x000007FEF5D23000-0x000007FEF5D24000-memory.dmp

Filesize
4KB

Download
memory/2264-12-0x0000000001020000-0x000000000113A000-memory.dmp

Filesize
1.1MB

Download
memory/2264-86-0x000007FEF5D23000-0x000007FEF5D24000-memory.dmp

Filesize
4KB

Download
memory/2848-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2848-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads