neshta | b47c786eddf654fa4577f02b1ac902064c568f370d5312d011e979ce476c802c

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 01:16

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General

Target

6591e29b761deabceee7812896409747_JaffaCakes118.exe
Size

1.4MB
MD5

6591e29b761deabceee7812896409747
SHA1

293ec78307db2c89770039c4c7782f706912a6f6
SHA256

b47c786eddf654fa4577f02b1ac902064c568f370d5312d011e979ce476c802c
SHA512

173803c7badf4c32fdea16923fa831b1118638b3676f09ea22f6bbd5a6061e64d014b2a1d9d75b47f3784cb68ca604360fa8f9e5f920fd7d3b218e2f89c48599
SSDEEP

24576:Q8BHUKY964CO3EsaeqCe6Nwi3LVBPlnN6OBKW/WP76HQVi1e8K298x:VBHUgunae+qwALVhlN6KZ/GqQVi1eW

Score

10^/10

neshta persistence spyware stealer upx

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010317-16.dat	family_neshta
behavioral1/memory/2032-93-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2032-96-0x0000000000400000-0x000000000041B000-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
1616	6591e29b761deabceee7812896409747_JaffaCakes118.exe

Loads dropped DLL 7 IoCs

pid	Process
2032	6591e29b761deabceee7812896409747_JaffaCakes118.exe
2032	6591e29b761deabceee7812896409747_JaffaCakes118.exe
1720	WerFault.exe
1720	WerFault.exe
1720	WerFault.exe
1720	WerFault.exe
2032	6591e29b761deabceee7812896409747_JaffaCakes118.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\" %*"	6591e29b761deabceee7812896409747_JaffaCakes118.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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000016fb3-2.dat	upx
behavioral1/memory/2032-4-0x00000000024C0000-0x000000000264E000-memory.dmp	upx
behavioral1/memory/1616-12-0x0000000000400000-0x000000000058E000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	6591e29b761deabceee7812896409747_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	6591e29b761deabceee7812896409747_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1720	1616	WerFault.exe	31

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	6591e29b761deabceee7812896409747_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1616	2032	6591e29b761deabceee7812896409747_JaffaCakes118.exe	31
PID 2032 wrote to memory of 1616	2032	6591e29b761deabceee7812896409747_JaffaCakes118.exe	31
PID 2032 wrote to memory of 1616	2032	6591e29b761deabceee7812896409747_JaffaCakes118.exe	31
PID 2032 wrote to memory of 1616	2032	6591e29b761deabceee7812896409747_JaffaCakes118.exe	31
PID 1616 wrote to memory of 1720	1616	6591e29b761deabceee7812896409747_JaffaCakes118.exe	32
PID 1616 wrote to memory of 1720	1616	6591e29b761deabceee7812896409747_JaffaCakes118.exe	32
PID 1616 wrote to memory of 1720	1616	6591e29b761deabceee7812896409747_JaffaCakes118.exe	32
PID 1616 wrote to memory of 1720	1616	6591e29b761deabceee7812896409747_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\6591e29b761deabceee7812896409747_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6591e29b761deabceee7812896409747_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\3582-490\6591e29b761deabceee7812896409747_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\6591e29b761deabceee7812896409747_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 164
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1720

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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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\6591e29b761deabceee7812896409747_JaffaCakes118.exe

Filesize
1.3MB

MD5
bbe560c3ba3e8621a12d411c210e7b46

SHA1
6aeb5f5fb0df2512f9cd183c7f66077a5e829c17

SHA256
b835c6f3049b7794caea35ca2435662e9a683f326b63d4613df3d1884470efeb

SHA512
80278baec94bb81a91a2450b0aed071016ecd0464ee9eb15acf588b37e9a002a6111b1d551764c81ac248bb7ae60078ba1c759a1b405d9559f260dfbb9a5f913

Download Submit
memory/1616-12-0x0000000000400000-0x000000000058E000-memory.dmp

Filesize
1.6MB

Download
memory/2032-4-0x00000000024C0000-0x000000000264E000-memory.dmp

Filesize
1.6MB

Download
memory/2032-11-0x00000000024C0000-0x000000000264E000-memory.dmp

Filesize
1.6MB

Download
memory/2032-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2032-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads