MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82c3dd9e4b7e58fba6607bd562d4a80bc2c30f329bd7e7a5be3f40398b45caf1. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82c3dd9e4b7e58fba6607bd562d4a80bc2c30f329bd7e7a5be3f40398b45caf1
SHA3-384 hash: 6e7f58656ee9e717bd61a6671adb683f2aa169ca21b17d35b93b63e9d4aefb05390fd1546f9ba8abfd6f78b50f296203
SHA1 hash: 8f1ccfccd2e9f2e3b4652bdf3b385d69c4f57c7d
MD5 hash: ba83069cf373373d35a107ac5d8b4da9
humanhash: mountain-louisiana-delta-august
File name:z2oO7PdSuSedF10.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:452'608 bytes
First seen:2020-08-05 17:10:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:yP3SB7HdJqizbL9kmskNfjxx7VGVOpiRSUpxJFgrpiA:F7/XXxkMz7VCQmxYQA
Threatray 1'165 similar samples on MalwareBazaar
TLSH CFA4E08437AD5BAAD9FC5FF4419C348007B87D5BEE11E3546EC034FA2233B4586A1AA7
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: server.amcham.or.id
Sending IP: 172.104.32.98
From: no-reply@amcham.or.id
Subject: Invoice Payment Confirmation
Attachment: ACH.IMG (contains "z2oO7PdSuSedF10.exe")

NanoCore RAT C2:
185.84.181.89:9083

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/39859/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/411713
Signature
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258143 Sample: z2oO7PdSuSedF10.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 8 z2oO7PdSuSedF10.exe 3 2->8         started        12 dhcpmon.exe 2 2->12         started        14 dhcpmon.exe 3 2->14         started        16 z2oO7PdSuSedF10.exe 2 2->16         started        process3 file4 45 C:\Users\user\...\z2oO7PdSuSedF10.exe.log, ASCII 8->45 dropped 59 Injects a PE file into a foreign processes 8->59 18 z2oO7PdSuSedF10.exe 1 15 8->18         started        23 dhcpmon.exe 12->23         started        25 dhcpmon.exe 14->25         started        27 z2oO7PdSuSedF10.exe 2 16->27         started        signatures5 process6 dnsIp7 47 185.84.181.89, 49729, 9083 RADORETR Turkey 18->47 37 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->37 dropped 39 C:\Users\user\AppData\Roaming\...\run.dat, data 18->39 dropped 41 C:\Users\user\AppData\Local\...\tmp13DB.tmp, XML 18->41 dropped 43 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->43 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->57 29 schtasks.exe 1 18->29         started        31 schtasks.exe 1 18->31         started        file8 signatures9 process10 process11 33 conhost.exe 29->33         started        35 conhost.exe 31->35         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/82c3dd9e4b7e58fba6607bd562d4a80bc2c30f329bd7e7a5be3f40398b45caf1/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 17:12:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qlb53hslpzmpxjtappkwfvfibpbmgdzstpl6pjn6h5adtc2fzlyq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'155 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/200805-hd1cv49wx2/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Uses the VBS compiler for execution
Reads user/profile data of web browsers
NanoCore
Malware Config
C2 Extraction:
185.84.181.89:9083
godrich.duckdns.org:9083
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/82c3dd9e4b7e58fba6607bd562d4a80bc2c30f329bd7e7a5be3f40398b45caf1

File information

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

Malspam

NanoCore

img 741d99e06fa4a9e945cd70675fe8f28c9182e5ceae54e922fe94a59084007b0b

NanoCore

Executable exe 82c3dd9e4b7e58fba6607bd562d4a80bc2c30f329bd7e7a5be3f40398b45caf1

(this sample)

  
Dropped by
MD5 384e341568fa67720edf18db9bb51337
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39859/
  
Dropped by
SHA256 741d99e06fa4a9e945cd70675fe8f28c9182e5ceae54e922fe94a59084007b0b

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