neshta | dc48e95839bcfd343c62e0a574a94e9640b8463e9c5c29bf04e7423135307994

General

Target

747400b85ea1a32f41016b22496ca24e.exe
Size

258KB
MD5

747400b85ea1a32f41016b22496ca24e
SHA1

9c4dce7638007955d9d259e7f11f3c1f237b1ce7
SHA256

dc48e95839bcfd343c62e0a574a94e9640b8463e9c5c29bf04e7423135307994
SHA512

aa97d2d29c97b17005e48ae540a74d127e568cbcaea514352dd5aa84c5c434aebc23ef4dd31bd890ceb617d49a60d4f15200a774ec23a211b68642759b333024
SSDEEP

6144:k9b3LPLnIJ1GTXZQOz1nJjVgmxaOAxyc9:S3zcfG9pQm0xyY

Score

10^/10

neshta smokeloader backdoor persistence spyware stealer trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1316-63-0x0000000000220000-0x0000000000229000-memory.dmp	family_smokeloader

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

747400b85ea1a32f41016b22496ca24e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	747400b85ea1a32f41016b22496ca24e.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 1 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

pid process

1316 747400b85ea1a32f41016b22496ca24e.exe
Loads dropped DLL 3 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

pid process

1768 747400b85ea1a32f41016b22496ca24e.exe
1768 747400b85ea1a32f41016b22496ca24e.exe
1768 747400b85ea1a32f41016b22496ca24e.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
T1081

pid	process
1768	747400b85ea1a32f41016b22496ca24e.exe
1768	747400b85ea1a32f41016b22496ca24e.exe
1768	747400b85ea1a32f41016b22496ca24e.exe

Drops file in Program Files directory 64 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	747400b85ea1a32f41016b22496ca24e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	747400b85ea1a32f41016b22496ca24e.exe

Drops file in Windows directory 1 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

description ioc process

File opened for modification C:\Windows\svchost.com 747400b85ea1a32f41016b22496ca24e.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	747400b85ea1a32f41016b22496ca24e.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

747400b85ea1a32f41016b22496ca24e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	747400b85ea1a32f41016b22496ca24e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	747400b85ea1a32f41016b22496ca24e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	747400b85ea1a32f41016b22496ca24e.exe

Modifies registry class 1 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	747400b85ea1a32f41016b22496ca24e.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

pid	process
1316	747400b85ea1a32f41016b22496ca24e.exe
1316	747400b85ea1a32f41016b22496ca24e.exe
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204
1204

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1204
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

pid process

1316 747400b85ea1a32f41016b22496ca24e.exe

pid	process
1204

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

747400b85ea1a32f41016b22496ca24e.exe

description	pid	process	target process
PID 1768 wrote to memory of 1316	1768	747400b85ea1a32f41016b22496ca24e.exe	747400b85ea1a32f41016b22496ca24e.exe
PID 1768 wrote to memory of 1316	1768	747400b85ea1a32f41016b22496ca24e.exe	747400b85ea1a32f41016b22496ca24e.exe
PID 1768 wrote to memory of 1316	1768	747400b85ea1a32f41016b22496ca24e.exe	747400b85ea1a32f41016b22496ca24e.exe
PID 1768 wrote to memory of 1316	1768	747400b85ea1a32f41016b22496ca24e.exe	747400b85ea1a32f41016b22496ca24e.exe

C:\Users\Admin\AppData\Local\Temp\747400b85ea1a32f41016b22496ca24e.exe
"C:\Users\Admin\AppData\Local\Temp\747400b85ea1a32f41016b22496ca24e.exe"
1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\3582-490\747400b85ea1a32f41016b22496ca24e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\747400b85ea1a32f41016b22496ca24e.exe"
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1316

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\747400b85ea1a32f41016b22496ca24e.exe
Filesize
217KB

MD5
6903b880b28cdbb6ebe035f688cbbf91

SHA1
0284b6258ce09bf173427bebdfca62f47536e39f

SHA256
60ee5a863af6fe7be9f2ed1e647b47aff63ce373103ed3f450778d6a70126824

SHA512
99309e4ce5a11e9042b40a670cbae122eb1a719ec14b9e284583025e3cddae460c32c6e223eda864b46af43380960781f360a51dafab9591deac01e900fdd433

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\747400b85ea1a32f41016b22496ca24e.exe
Filesize
217KB

MD5
6903b880b28cdbb6ebe035f688cbbf91

SHA1
0284b6258ce09bf173427bebdfca62f47536e39f

SHA256
60ee5a863af6fe7be9f2ed1e647b47aff63ce373103ed3f450778d6a70126824

SHA512
99309e4ce5a11e9042b40a670cbae122eb1a719ec14b9e284583025e3cddae460c32c6e223eda864b46af43380960781f360a51dafab9591deac01e900fdd433

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\747400b85ea1a32f41016b22496ca24e.exe
Filesize
217KB

MD5
6903b880b28cdbb6ebe035f688cbbf91

SHA1
0284b6258ce09bf173427bebdfca62f47536e39f

SHA256
60ee5a863af6fe7be9f2ed1e647b47aff63ce373103ed3f450778d6a70126824

SHA512
99309e4ce5a11e9042b40a670cbae122eb1a719ec14b9e284583025e3cddae460c32c6e223eda864b46af43380960781f360a51dafab9591deac01e900fdd433

Download Submit
memory/1316-57-0x0000000000000000-mapping.dmp

Download
memory/1316-60-0x00000000006D8000-0x00000000006E9000-memory.dmp

Filesize
68KB

Download
memory/1316-62-0x00000000006D8000-0x00000000006E9000-memory.dmp

Filesize
68KB

Download
memory/1316-63-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1316-64-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download
memory/1316-65-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download
memory/1768-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads