neshta | af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 02:06

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General

Target

af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
Size

2.3MB
MD5

39edc31ba17b62c290839409291acbca
SHA1

3d5b7271c099ebf8df5d281dedaa1db22cc43673
SHA256

af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c
SHA512

e81c71932d45a51a774a3d82c85100b8389eaa8f50673785a31b27bc85dd9027e684b80645b46effea86a6641d7cab53df9b59be7a7b095e4a6d7918880802c1
SSDEEP

24576:JSXWhM6NOdZjUYSeV5S1lU/Rl45x3+Pt/Rt+xbK+klQkR3ieRvfVWyWe4e5qm9Vo:1osL5J+Pt/YK5yeRvdWyWe4XXLoQ

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-11.dat	family_neshta
behavioral1/memory/2200-92-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2200-97-0x0000000000400000-0x000000000041B000-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 2 IoCs

pid	Process
2612	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
1260	Process not Found

Loads dropped DLL 7 IoCs

pid	Process
2200	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
2200	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
572	WerFault.exe
572	WerFault.exe
572	WerFault.exe
572	WerFault.exe
572	WerFault.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\" %*"	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.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\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.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	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.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\" %*"	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2612	2200	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe	30
PID 2200 wrote to memory of 2612	2200	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe	30
PID 2200 wrote to memory of 2612	2200	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe	30
PID 2200 wrote to memory of 2612	2200	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe	30
PID 2612 wrote to memory of 572	2612	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe	31
PID 2612 wrote to memory of 572	2612	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe	31
PID 2612 wrote to memory of 572	2612	af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe	31

C:\Users\Admin\AppData\Local\Temp\af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
"C:\Users\Admin\AppData\Local\Temp\af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.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:2200
- C:\Users\Admin\AppData\Local\Temp\3582-490\af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2612 -s 672
    3⤵
    - Loads dropped DLL
    PID:572

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

Loading Replay Monitor...

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\af659a1a2a185c7f25a784c26fd06b66e796ab0f8687088c891b8a5361cf9c7c.exe

Filesize
2.3MB

MD5
271c704e3e93cbe424ac22300a9438bc

SHA1
e0c87f2b57fa14381f592ede4e0282240a68d5ec

SHA256
648e42812f2169181c8e158d9b7b52d76fa2347a15b7ee14ff1ba4ba64a7efe1

SHA512
9014af986f270ee4dde2f6fed7f9c7f2bee161996522d528934963b67c5693fa1e11047aa4e7671a8387c8f1eaa8839fa72929bf5914df8b733f307406d7b9e5

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memory/2200-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2200-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2612-9-0x000007FEF5073000-0x000007FEF5074000-memory.dmp

Filesize
4KB

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memory/2612-12-0x000000013F7E0000-0x000000013FA30000-memory.dmp

Filesize
2.3MB

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memory/2612-14-0x000007FEF5070000-0x000007FEF5A5C000-memory.dmp

Filesize
9.9MB

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memory/2612-93-0x000007FEF5073000-0x000007FEF5074000-memory.dmp

Filesize
4KB

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memory/2612-94-0x000007FEF5070000-0x000007FEF5A5C000-memory.dmp

Filesize
9.9MB

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memory/2612-95-0x000007FEF5070000-0x000007FEF5A5C000-memory.dmp

Filesize
9.9MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads