neshta | 01207a838442df1903f3e69ef8b938fdf5983048be57fbc1d41608a8b4655ba7

Analysis

max time kernel
34s
max time network
36s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 08:02

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General

Target

5f4b6509b5e804c121fadd3f1395a330N.exe
Size

186KB
MD5

5f4b6509b5e804c121fadd3f1395a330
SHA1

e8fc481bb4222f9136838924ebc766b5639d81bb
SHA256

01207a838442df1903f3e69ef8b938fdf5983048be57fbc1d41608a8b4655ba7
SHA512

8a9acc8ad92450527f1bd6b85b246cf2015e26b2074ee3ec4fc884a3b7edacf870f8203d3db383a813d1a4eb01559c0250d6b32622d777bfecfbb6696a129139
SSDEEP

1536:JxqjQ+P04wsmJCf7JF3TU3UC3BAD8CBWcWQFbZm5QRA2b7g4QASurgMSF/Gj3mAq:sr85CzrDag7g4XSMl2A/UDnNfR

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010317-11.dat	family_neshta
behavioral1/memory/1988-101-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1988-104-0x0000000000400000-0x000000000041B000-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
2680	5f4b6509b5e804c121fadd3f1395a330N.exe

Loads dropped DLL 5 IoCs

pid	Process
1988	5f4b6509b5e804c121fadd3f1395a330N.exe
2652	dw20.exe
2652	dw20.exe
2652	dw20.exe
1988	5f4b6509b5e804c121fadd3f1395a330N.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\" %*"	5f4b6509b5e804c121fadd3f1395a330N.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\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	5f4b6509b5e804c121fadd3f1395a330N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	5f4b6509b5e804c121fadd3f1395a330N.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 3 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	5f4b6509b5e804c121fadd3f1395a330N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f4b6509b5e804c121fadd3f1395a330N.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\" %*"	5f4b6509b5e804c121fadd3f1395a330N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2680	1988	5f4b6509b5e804c121fadd3f1395a330N.exe	30
PID 1988 wrote to memory of 2680	1988	5f4b6509b5e804c121fadd3f1395a330N.exe	30
PID 1988 wrote to memory of 2680	1988	5f4b6509b5e804c121fadd3f1395a330N.exe	30
PID 1988 wrote to memory of 2680	1988	5f4b6509b5e804c121fadd3f1395a330N.exe	30
PID 2680 wrote to memory of 2652	2680	5f4b6509b5e804c121fadd3f1395a330N.exe	31
PID 2680 wrote to memory of 2652	2680	5f4b6509b5e804c121fadd3f1395a330N.exe	31
PID 2680 wrote to memory of 2652	2680	5f4b6509b5e804c121fadd3f1395a330N.exe	31
PID 2680 wrote to memory of 2652	2680	5f4b6509b5e804c121fadd3f1395a330N.exe	31

C:\Users\Admin\AppData\Local\Temp\5f4b6509b5e804c121fadd3f1395a330N.exe
"C:\Users\Admin\AppData\Local\Temp\5f4b6509b5e804c121fadd3f1395a330N.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:1988
- C:\Users\Admin\AppData\Local\Temp\3582-490\5f4b6509b5e804c121fadd3f1395a330N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\5f4b6509b5e804c121fadd3f1395a330N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 960
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2652

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\5f4b6509b5e804c121fadd3f1395a330N.exe

Filesize
146KB

MD5
31b835efa1c98befd3dcff1ada689e4b

SHA1
6880b3e74ac7599adb80964210f2bced9c944997

SHA256
38426f4a08ab0abcea3543a7cd3fd862dce7ae6729539b14e7f0b8872692eb66

SHA512
da819dd6270c283f454bedf4ae074d6990863729db87699badd0b02d6607863768fe9404545fe39442ff4839ce6ff0721dc23e27cf374e121d1ba03268d4c5c0

Download Submit
memory/1988-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1988-104-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2652-27-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2652-102-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2680-12-0x0000000074701000-0x0000000074702000-memory.dmp

Filesize
4KB

Download
memory/2680-13-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2680-14-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2680-100-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads