MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcd1f447849497f6ee7e0d08f59f8220b457b6e9a0d02c227348ac313ba3196b. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcd1f447849497f6ee7e0d08f59f8220b457b6e9a0d02c227348ac313ba3196b
SHA3-384 hash: dbb8fa683a16df566334fc5315d494cae318983a7ac38295577d27b891d3d152a60d36199ca54eb95a5a0c3c28dba9d8
SHA1 hash: c347e673b29118cdac6791a87b3c6a87bef20fba
MD5 hash: 5327c75e1b2988484ed78dd55e6ed630
humanhash: violet-high-seven-four
File name:QUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:964'608 bytes
First seen:2021-03-31 06:59:34 UTC
Last seen:2021-03-31 07:56:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:mg2Nq3xnQKHTsxF9SxF90TU/E1gLNyOmN:v2NqprHTQQ+TU/E18Ny
Threatray 1'844 similar samples on MalwareBazaar
TLSH F925BF1BF31DAB9EC6590F36A433053083E48F536632F6AB79E4EDEC082165D4A1E5D2
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
Malspam distributing unidentified malware:

From: Chi Trinh <sales.chitrinh@trinityvietnam.vn>
Subject: REQUEST FOR QUOTATION
Attachment: QUOTATIONs280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.arj (contains "QUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe
Verdict:
Malicious activity
Analysis date:
2021-03-31 08:18:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bac3166f-1b01-44d7-bd40-4e44851da42b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/129172/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.26959.18521.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/660012
Signature
.NET source code contains very large array initializations
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
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 378935 Sample: QUOTATIONs#280321_RFQ_PRODU... Startdate: 31/03/2021 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 11 other signatures 2->64 8 Operaa.exe 14 2 2->8         started        12 QUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 15 6 2->12         started        15 Operaa.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 56 192.168.2.1 unknown unknown 8->56 68 Multi AV Scanner detection for dropped file 8->68 70 Machine Learning detection for dropped file 8->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 8->72 74 Injects a PE file into a foreign processes 8->74 19 Operaa.exe 1 12 8->19         started        48 C:\Users\user\AppData\Roaming\Operaa.exe, PE32 12->48 dropped 50 C:\Users\user\...\Operaa.exe:Zone.Identifier, ASCII 12->50 dropped 52 QUOTATIONs#280321_..._VIETNAM_CO.exe.log, ASCII 12->52 dropped 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->76 24 cmd.exe 1 12->24         started        26 Operaa.exe 3 12->26         started        file5 signatures6 process7 dnsIp8 54 194.5.98.182, 3765, 49733, 49740 DANILENKODE Netherlands 19->54 40 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->40 dropped 42 C:\Users\user\AppData\Roaming\...\run.dat, data 19->42 dropped 44 C:\Users\user\AppData\Local\...\tmp872A.tmp, XML 19->44 dropped 46 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->46 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->66 28 schtasks.exe 19->28         started        30 schtasks.exe 19->30         started        32 conhost.exe 24->32         started        34 reg.exe 1 1 24->34         started        file9 signatures10 process11 process12 36 conhost.exe 28->36         started        38 conhost.exe 30->38         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcd1f447849497f6ee7e0d08f59f8220b457b6e9a0d02c227348ac313ba3196b/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-31 07:00:14 UTC
AV detection:
7 of 45 (15.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ti7ir4essl7n3t6bueplh4cec2fpnxjudicyittjcwdco5ddfvq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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69fa6ebff614598a1243cb00bc9a7c69e60fca3c3fd93da4157c418d202f1542
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99a9903d77272e93c262ae1391ef64f0639835f0cc9fc8b07f6fbc4d1bf40c5a
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bf3e15c717d14fd550a694f56e737bbb400f86ad5130afd39ed12ca54c4f154d
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d6a8535e674dda41d9b294844be9c27b8af80831044d61354f77b50497b28fde
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dd62faf4995b64622a600017699ab4a601dd66027d3fc958d0b372e3d80a1353
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ebe52ea7df6472fc812bbb2d9781d42f1262ce97193e080f76c3a7782c789cc4
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f07e0500a867708c2b93d0b15504c02faf60a1e69968dd46c246918445975ba6
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fe0a5fde4fbbddd79d2938af2373c69a8219ea73831be712f1bca86150a30461
NanoCore
+ 1'834 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/210331-5thjwnj2kn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Unpacked files
SH256 hash:
fcd1f447849497f6ee7e0d08f59f8220b457b6e9a0d02c227348ac313ba3196b
MD5 hash:
5327c75e1b2988484ed78dd55e6ed630
SHA1 hash:
c347e673b29118cdac6791a87b3c6a87bef20fba
Link:
https://www.unpac.me/results/e8bc6188-db4f-49bc-accf-69f9b4f0af33/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/fcd1f447849497f6ee7e0d08f59f8220b457b6e9a0d02c227348ac313ba3196b

File information

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

Malspam

NanoCore

arj 5fe57128126d6799f3a721301b906cd68d0fb3667fb80293dc1961a972020301

NanoCore

Executable exe fcd1f447849497f6ee7e0d08f59f8220b457b6e9a0d02c227348ac313ba3196b

(this sample)

  
Dropped by
MD5 44f943e20c73a71ef0dbca5a4a1957c4
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/129172/
  
Dropped by
SHA256 5fe57128126d6799f3a721301b906cd68d0fb3667fb80293dc1961a972020301

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