neshta | b878b31fde593db1b977f2a1b9872f974b9c3da4ecd504866801d75806056ae0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 06:02

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General

Target

55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
Size

112KB
MD5

55d8bd9ef431f38d85ea06bfd9f2906d
SHA1

00440a8732b21fe0d4ea1a5dd691713699589440
SHA256

b878b31fde593db1b977f2a1b9872f974b9c3da4ecd504866801d75806056ae0
SHA512

184095eaa62e6f8b0f76ad51037e27fc5d35a40bcc05eec6422c060bc81e3e426eae02e100b753d6d53498d20b69416d5894681ef445b08d54b2694cdd077d2b
SSDEEP

1536:JxqjQ+P04wsmJCWCr4uCryG4SDMw0zJR1cjoQpQ5EP0ijnRTXJ88gg+SsN74:sr85CWCr4uCryG3YVfQIURTXJ88b+vM

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2424-99-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2424-101-0x0000000000400000-0x000000000041B000-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 2 IoCs

pid	Process
1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
1164	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
1164	Au_.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\" %*"	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.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\WINDOW~1\WinMail.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.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	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x0008000000017403-2.dat	nsis_installer_1
behavioral1/files/0x0008000000017403-2.dat	nsis_installer_2

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1980	2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1980	2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1980	2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1980	2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1980	2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1980	2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1980	2424	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	30
PID 1980 wrote to memory of 1164	1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	31
PID 1980 wrote to memory of 1164	1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	31
PID 1980 wrote to memory of 1164	1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	31
PID 1980 wrote to memory of 1164	1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	31
PID 1980 wrote to memory of 1164	1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	31
PID 1980 wrote to memory of 1164	1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	31
PID 1980 wrote to memory of 1164	1980	55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.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:2424
- C:\Users\Admin\AppData\Local\Temp\3582-490\55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
    "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1164

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

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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\55d8bd9ef431f38d85ea06bfd9f2906d_JaffaCakes118.exe

Filesize
71KB

MD5
da943c4884b1375d00b226be923f0225

SHA1
b3947815a56c356490a2b54a42a51a2dc31ce503

SHA256
b3ba1664fae7d056d166889438cc897a731c78097ecec3cd122664206da8c8ba

SHA512
86e31c35f5e5d0b00763be7864889ad05ea6322f9ead8193ddb3be189099f0726ab6f634bbb4fd340df97172034169f8bb4f95f91ebedac1804bea05977a4f30

Download Submit
\Users\Admin\AppData\Local\Temp\nsdA69D.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
memory/2424-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2424-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads