MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 528a540044eb5dfab9ecbd301a63c69c930eea01e090eddd57a38e2cccb325ac. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Neshta


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 528a540044eb5dfab9ecbd301a63c69c930eea01e090eddd57a38e2cccb325ac
SHA3-384 hash: 5ae5a6d063d2fad38ceb7f343a56754eb75b6cbbd92add177630548a5bbf1f20970b1b8b7ae5a9f8bad47beb37332213
SHA1 hash: 96056d53acef34d5f75d93c86fe38a4027923443
MD5 hash: 790d2773e6a7ab6c925661e008dc57d5
humanhash: mars-xray-early-nuts
File name:790d2773e6a7ab6c925661e008dc57d5.exe
Download: download sample
Signature Neshta
Create hunting rule
File size:569'428 bytes
First seen:2021-12-16 08:38:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 12288:bGORocNeuJqQS/+sKlQwbgs18YWZhvbyu:tLTq5Wvg2WZhvJ
TLSH T197C4D0A1BFE4D673F38400B59526E3ACCBB5952C5B43090FF8BA7C6EF2753588819246
File icon (PE):PE icon
dhash icon f0f0b0f0f0b2f0cc (1 x Formbook, 1 x Neshta)
Reporter abuse_ch
Tags:exe Neshta

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/214504/
Detection(s):
Win.Trojan.Neshuta-1
Create hunting rule

PUA.Win.Packer.Pequake-4
Create hunting rule

Win.Virus.Neshta-7101689-0
Create hunting rule

Win.Trojan.Jadtre-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a window
Creating a file
Creating a file in the Program Files subdirectories
DNS request
Enabling autorun with the shell\open\command registry branches
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Infecting executable files
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/2197/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
neshta overlay packed
Link:
https://www.filescan.io/uploads/61bafb2e8541392eb4ea37ac/reports/0a3bf34c-1d2e-406f-874c-b5e84b4ddffb/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd96405c-ee5e-4b3e-8f0f-1bb2f3401129
Result
Threat name:
FormBook Neshta
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/908350
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops PE files with a suspicious file extension
Found malware configuration
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Neshta
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 540825 Sample: YiboVzl2tz.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 44 wz24.7-mi.net 2->44 46 www.junqi888.com 2->46 48 www.giftcodefreefirevns.com 2->48 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 9 other signatures 2->66 12 YiboVzl2tz.exe 4 2->12         started        signatures3 process4 file5 36 C:\Windows\svchost.com, PE32 12->36 dropped 38 C:\Users\user\AppData\Local\...\DismHost.exe, PE32 12->38 dropped 40 C:\Users\user\AppData\Local\...\setup.exe, PE32 12->40 dropped 42 95 other malicious files 12->42 dropped 86 Creates an undocumented autostart registry key 12->86 88 Drops PE files with a suspicious file extension 12->88 90 Drops executable to a common third party application directory 12->90 92 Infects executable files (exe, dll, sys, html) 12->92 16 YiboVzl2tz.exe 17 12->16         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\sodxedmub.dll, PE32 16->34 dropped 56 Tries to detect virtualization through RDTSC time measurements 16->56 58 Injects a PE file into a foreign processes 16->58 20 YiboVzl2tz.exe 16->20         started        signatures9 process10 signatures11 68 Modifies the context of a thread in another process (thread injection) 20->68 70 Maps a DLL or memory area into another process 20->70 72 Sample uses process hollowing technique 20->72 74 Queues an APC in another process (thread injection) 20->74 23 explorer.exe 20->23 injected process12 dnsIp13 50 www.projecturs.com 103.224.182.241, 49775, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 23->50 52 www.ccafgz.com 150.109.103.213, 49802, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN Singapore 23->52 54 4 other IPs or domains 23->54 76 System process connects to network (likely due to code injection or exploit) 23->76 27 mstsc.exe 23->27         started        signatures14 process15 signatures16 78 Self deletion via cmd delete 27->78 80 Modifies the context of a thread in another process (thread injection) 27->80 82 Maps a DLL or memory area into another process 27->82 84 Tries to detect virtualization through RDTSC time measurements 27->84 30 cmd.exe 1 27->30         started        process17 process18 32 conhost.exe 30->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/528a540044eb5dfab9ecbd301a63c69c930eea01e090eddd57a38e2cccb325ac/
Threat name:
Win32.Virus.Neshta
Create hunting rule
Status:
Malicious
First seen:
2021-12-15 21:42:51 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kkffiace5no7vopmxuybuy6gtsjq52qb4cio3xkxuohcztftewwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:neshta family:xloader campaign:ea0r loader persistence rat spyware stealer
Link:
https://tria.ge/reports/211216-kkbafabeg4/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Modifies system executable filetype association
Neshta
Xloader
Unpacked files
SH256 hash:
528a540044eb5dfab9ecbd301a63c69c930eea01e090eddd57a38e2cccb325ac
MD5 hash:
790d2773e6a7ab6c925661e008dc57d5
SHA1 hash:
96056d53acef34d5f75d93c86fe38a4027923443
Link:
https://www.unpac.me/results/b11b6865-7209-4cc8-916f-80a73d6a8b83/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.59
Link:
https://yomi.yoroi.company/submissions/528a540044eb5dfab9ecbd301a63c69c930eea01e090eddd57a38e2cccb325ac

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MALWARE_Win_Neshta
Create hunting rule
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Neshta

Executable exe 528a540044eb5dfab9ecbd301a63c69c930eea01e090eddd57a38e2cccb325ac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1858335/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/214504/

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