MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5091b0812652b76aa775615c4887c2f01934763ebd857bb0cbd40f3debc36770. 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



NanoCore


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 2 File information Comments

SHA256 hash: 5091b0812652b76aa775615c4887c2f01934763ebd857bb0cbd40f3debc36770
SHA3-384 hash: d81b0ebd98b35646c4b7632e70e39e0f563106efdfaf8b2ba04da79e13afc1c8f1bf57bbdce8afef9dab73659701f809
SHA1 hash: decec94a4ef14d4b6fedb8f91a4682641e4d5ba2
MD5 hash: 9f9012f7d38457e5825b0c78dbe59f02
humanhash: happy-batman-music-batman
File name:QUOTATION#RFQ827636-ABWShandongZuozeImportExp.exe
Download: download sample
Signature NanoCore
File size:1'083'392 bytes
First seen:2022-03-15 09:01:26 UTC
Last seen:2022-04-20 10:22:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:JPl1oeyWwQ0Z570ZE5Uye0JJMEw1TeuWBH3EAnBZFxzzRbvBAA4RBMsn:LYWwQo6ULU1CxfBZvzzBv/8B1
TLSH T14735AD3523851B98D07D5734413AC4B027F62D0AEA25CA5E3EF10E9FBFB1A06A633656
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
84.38.130.214:1604

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
84.38.130.214:1604 https://threatfox.abuse.ch/ioc/395311/

Intelligence


File Origin
# of uploads :
3
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
QUOTATION#RFQ827636-ABWShandongZuozeImportExp.exe
Verdict:
Malicious activity
Analysis date:
2022-03-15 09:21:10 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint obfuscated packed stealer
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.
Result
Threat name:
Nanocore FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected FormBook
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 589314 Sample: QUOTATION#RFQ827636-ABWShan... Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 7 QUOTATION#RFQ827636-ABWShandongZuozeImportExp.exe 4 2->7         started        process3 file4 33 QUOTATION#RFQ82763...zeImportExp.exe.log, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->35 dropped 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->55 11 cmd.exe 3 7->11         started        15 cmd.exe 1 7->15         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roamingxplorers.exe, PE32 11->37 dropped 39 C:\Users\...xplorers.exe:Zone.Identifier, ASCII 11->39 dropped 57 Uses ping.exe to sleep 11->57 17 Explorers.exe 11->17         started        20 conhost.exe 11->20         started        22 PING.EXE 1 11->22         started        24 PING.EXE 1 11->24         started        59 Uses ping.exe to check the status of other devices and networks 15->59 26 PING.EXE 1 15->26         started        29 conhost.exe 15->29         started        31 reg.exe 1 1 15->31         started        signatures8 process9 dnsIp10 43 Multi AV Scanner detection for dropped file 17->43 45 Machine Learning detection for dropped file 17->45 41 127.0.0.1 unknown unknown 26->41 signatures11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-15 09:03:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
170
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:formbook family:nanocore campaign:nr5c evasion keylogger persistence rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
NanoCore
Malware Config
C2 Extraction:
84.38.130.214:1604
Unpacked files
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
fc4b5f53362334630b1f94201178275ecfb79ef4f4610c2211d146d791b29c27
MD5 hash:
4ec66a90617192d4ec943da97c64c622
SHA1 hash:
6c8de23a2b4b5cfdd04f5b8a02d6e9c74ae1f39a
SH256 hash:
a4ad262051ed2de2d106d703645a4a5a67d039881e6367e842f32f4a19d74f86
MD5 hash:
05fcbc9d79fd6f5e3147e636f9b413c2
SHA1 hash:
58cfe2bf03ec5d28a3dae3344ae3ea8c17a64593
SH256 hash:
86b1c22e493b684e3cb4fa3b008149dc307ae7f88994fe16139e89c0645a8120
MD5 hash:
ec57b81338913494e3899e1b6b6aecf1
SHA1 hash:
33c6021e923d37c5212e84c714133252f4ff8a49
Detections:
win_nanocore_w0
SH256 hash:
5091b0812652b76aa775615c4887c2f01934763ebd857bb0cbd40f3debc36770
MD5 hash:
9f9012f7d38457e5825b0c78dbe59f02
SHA1 hash:
decec94a4ef14d4b6fedb8f91a4682641e4d5ba2
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments