MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c8976c5c31e676700e03662c7f85a09178b49f4721ac41fee7f5c9fc621fd7c. 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: 12


Intelligence 12 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c8976c5c31e676700e03662c7f85a09178b49f4721ac41fee7f5c9fc621fd7c
SHA3-384 hash: 1b9514f52344257ac0a7d63d5a85989a73e274f5094adb8f6ccc3fc70e61fcc4e05bb12ac788cc9ddca19e9f20678cf7
SHA1 hash: 9813b90ef9caffc51b0a28ab2a1e88bb3eea296c
MD5 hash: 09dcb7aee9f6b6da1276e468b9c6dc9a
humanhash: xray-table-montana-don
File name:quotation request doc.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:829'440 bytes
First seen:2022-07-29 10:10:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ipUMfbvDzc1mxLIsda+WeybA7NLZyOw37titFPXlzHz3ox8txgV2iNRW:RmpHOuNcOw6VPoxWxgV1
TLSH T1A705C02539EA521AF132AF7519D0F966AB7EBF333D12E04D289133874533A81CDA153B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f08f898c8e8a8fb0 (37 x SnakeKeylogger, 19 x AgentTesla, 17 x AveMariaRAT)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
37.0.14.195:1993

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
37.0.14.195:1993 https://threatfox.abuse.ch/ioc/840148/

Intelligence

File Origin
# of uploads :
1
# of downloads :
373
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/295047/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e3d0c4b7eec65627795e4a/reports/ec36bf8a-4ea2-476c-a5fb-85d7fae92b72/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:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/055cc164-e648-4f23-982d-3dc28715a5bb
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1043020
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
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 dnsIp2 2 Behavior Graph ID: 675511 Sample: quotation request doc.exe Startdate: 29/07/2022 Architecture: WINDOWS Score: 100 51 boobymoore.ddns.net 2->51 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 14 other signatures 2->63 8 quotation request doc.exe 7 2->8         started        12 dhcpmon.exe 5 2->12         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\CLFSqzYhwgU.exe, PE32 8->37 dropped 39 C:\Users\...\CLFSqzYhwgU.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmpB099.tmp, XML 8->41 dropped 43 C:\Users\...\quotation request doc.exe.log, ASCII 8->43 dropped 65 Adds a directory exclusion to Windows Defender 8->65 67 Injects a PE file into a foreign processes 8->67 14 quotation request doc.exe 1 12 8->14         started        19 powershell.exe 23 8->19         started        21 schtasks.exe 1 8->21         started        23 schtasks.exe 12->23         started        25 dhcpmon.exe 12->25         started        signatures6 process7 dnsIp8 53 boobymoore.ddns.net 37.0.14.195, 1993, 49767, 49779 WKD-ASIE Netherlands 14->53 45 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->45 dropped 47 C:\Users\user\AppData\Roaming\...\run.dat, data 14->47 dropped 49 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 14->49 dropped 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->55 27 conhost.exe 14->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c8976c5c31e676700e03662c7f85a09178b49f4721ac41fee7f5c9fc621fd7c/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-29 10:11:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsexnroddztwoahagzrmp6c2belywspuoinmih7op5oj7rrb7v6a._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220729-l7x86ahcbq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
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
Checks computer location settings
Unexpected DNS network traffic destination
NanoCore
Malware Config
C2 Extraction:
boobymoore.ddns.net:1993
127.0.0.1:1993
Unpacked files
SH256 hash:
570ee6c9b91df7a68664995004cbb9bf8fc06ee69b20478d00a1952e3e98e0c5
MD5 hash:
866385413f3d2538e87f5e4eb9fb09a7
SHA1 hash:
ccb6c48d0341963eddaa33fe5cddbab0abd97b3e
Link:
https://www.unpac.me/results/409777c2-d1ef-4037-a342-53b5628a5580/
SH256 hash:
0c43a8c33d9847915f3430bab9ee1b9f40a9139a1f0bf6f8dc668e85bc77b6bc
MD5 hash:
75bfb5eb2064d2ceb3baa121b06c8d9f
SHA1 hash:
6d750d5f54107539559d36e3b2154d94c6cd6142
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/409777c2-d1ef-4037-a342-53b5628a5580/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/409777c2-d1ef-4037-a342-53b5628a5580/
SH256 hash:
13ca2f7a55b98e1890983122e67935c97e6d9df4429279d49a1324c6d56f0451
MD5 hash:
8b3a92a3409ae046bf3dc0753fcf8685
SHA1 hash:
4455c3efa2bf569f6d180063bb1e104a22581d61
Link:
https://www.unpac.me/results/409777c2-d1ef-4037-a342-53b5628a5580/
SH256 hash:
42d36b51a1aa1dff6f35938623474cc75e2e0c08beb4d543f582bc4b5d08adc9
MD5 hash:
79d1be47e28d7b1e179f13431bd0feb5
SHA1 hash:
27d55a213a1906c38a8dfb2fd831554558fe74aa
Link:
https://www.unpac.me/results/409777c2-d1ef-4037-a342-53b5628a5580/
SH256 hash:
1c8976c5c31e676700e03662c7f85a09178b49f4721ac41fee7f5c9fc621fd7c
MD5 hash:
09dcb7aee9f6b6da1276e468b9c6dc9a
SHA1 hash:
9813b90ef9caffc51b0a28ab2a1e88bb3eea296c
Link:
https://www.unpac.me/results/409777c2-d1ef-4037-a342-53b5628a5580/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c8976c5c31e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1c8976c5c31e676700e03662c7f85a09178b49f4721ac41fee7f5c9fc621fd7c

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:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/295047/

Comments