neshta | 1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778c

General

Target

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
Size

826KB
MD5

2e94bb48534d82975039b48aaf77d6d0
SHA1

d3fe95d42d5012157b2be988e9024aa0877538cc
SHA256

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778c
SHA512

0bdf71892f02ac7b76a6e36d8e6b3e48c79d3144e1943d9682a17f47dfde208340556006fadeed00017ca0964898e44d7c944ccaa11b3f48cccca94439cdf1ee
SSDEEP

12288:ItffLBk3Q45wU0/St0Z4j9lAx5ylTxEIyTXuZYEA6:I9uQ45oyj9lE5yFuTX/16

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe	family_neshta
behavioral1/memory/1724-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1724-84-0x0000000000400000-0x000000000041B000-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 1 IoCs

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

pid process

2516 1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

pid	process
2516	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

Loads dropped DLL 2 IoCs

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

pid	process
1724	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
1724	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.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

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

Drops file in Windows directory 1 IoCs

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

description ioc process

File opened for modification C:\Windows\svchost.com 1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

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

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

Modifies registry class 1 IoCs

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

description	pid	process	target process
PID 1724 wrote to memory of 2516	1724	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
PID 1724 wrote to memory of 2516	1724	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
PID 1724 wrote to memory of 2516	1724	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
PID 1724 wrote to memory of 2516	1724	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe	1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

C:\Users\Admin\AppData\Local\Temp\1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
"C:\Users\Admin\AppData\Local\Temp\1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.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:1724
- C:\Users\Admin\AppData\Local\Temp\3582-490\1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

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\1c1b77692d3a593ee16dd40632845d5692fa821490234eb8e69c1619d7d6778cN.exe

Filesize
785KB

MD5
1b73ccad8a5e241bff3e0fb55652ab02

SHA1
81f02ba2ba1fbf02e1aaa5c175949818fc664f24

SHA256
32b3503274833a60cbd30b24504e2cc2bb1056cf2d07404d1cda5c4e449a9c83

SHA512
5732472653a8f66b6d70fd0b2674ce0002ce7726fc3d6c5b9132901f3b0eac004affcd0d05894d009e982c6a9db7acff2c99d3d8979afb9f195ef94f619d892a

Download Submit
memory/1724-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1724-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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Analysis

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Malware Config

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Network

MITRE ATT&CK Enterprise v15

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