neshta | cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea

General

Target

cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe
Size

1.4MB
MD5

3703e9116cca52968310a00f70fff8cf
SHA1

36b760dc91ce098f5e0ee862f20df53a1725dd7b
SHA256

cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea
SHA512

60b8c309e6d9070275fa19aa300d297205b4362efe51d80438ef9cdeb11dc3c968f756f392f538a3a9158615346c77d2ac538a03018d8d21f5fdc489f22c78a0
SSDEEP

24576:DyXITj6fU9JxiKq2sBLJfWQ3H4HtHMFobt8rpa11ghiP/XY6:Dy4j6fGhGLJfWQ9Y+peOhiP/XY6

Score

10^/10

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-7.dat	family_neshta
behavioral1/memory/2116-80-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2116-81-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2116-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2116-84-0x0000000000400000-0x000000000041B000-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

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\" %*"	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.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\" %*"	cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe

C:\Users\Admin\AppData\Local\Temp\cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe
"C:\Users\Admin\AppData\Local\Temp\cfa990e0231627d749d0160ace562e789cdc0b208b8ef8360080af37196b48ea.exe"
1⤵
- 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
PID:2116

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

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
memory/2116-80-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2116-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2116-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2116-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads