MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d97dd1eecff5bdd498edf0ad38d94615979ba81ee958de888e24c2f0c7655948. 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 YARA 11 File information Comments

SHA256 hash: d97dd1eecff5bdd498edf0ad38d94615979ba81ee958de888e24c2f0c7655948
SHA3-384 hash: a6667abf2ffa5e84551d2c642ac4281bf7ff1b12e4fa19f490cedf3ed6c6563383f6f9e92f2cdf6a56007ca4b7475fa3
SHA1 hash: 9aed8d3872ffa5e2390c0e8331e3b69e6e136eee
MD5 hash: feb349345dd90bfac35b83746707e189
humanhash: six-nevada-high-comet
File name:HSBC PAYMENT NOTIFICATION______Pdf.exe
Download: download sample
Signature NanoCore
File size:707'584 bytes
First seen:2022-04-19 10:57:17 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:Imr/AkAlAfZ9AuXrzCD/qRVSQyld6Je5Cf+5rDUUqjiFJlyIebaPMeT2Epd6K3A:Imrh5qD0kQMyRfII2JEFb9eJ
Threatray 4'588 similar samples on MalwareBazaar
TLSH T16AE42366B353D6A1FEBD1B3A90B54D40B7FA672B61B3D14D18E1718DA22A7C34380873
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71cc8e2b2b8ecc78 (5 x AgentTesla, 4 x SnakeKeylogger, 3 x Formbook)
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
d97dd1eecff5bdd498edf0ad38d94615979ba81ee958de888e24c2f0c7655948.exe.malware
Verdict:
Malicious activity
Analysis date:
2022-04-19 11:36:27 UTC
Tags:
rat nanocore

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
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Svchost Process
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 611275 Sample: HSBC PAYMENT NOTIFICATION__... Startdate: 19/04/2022 Architecture: WINDOWS Score: 100 56 hemplife.ddns.net 2->56 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 13 other signatures 2->66 9 HSBC PAYMENT NOTIFICATION______Pdf.exe 3 2->9         started        12 dhcpmon.exe 3 2->12         started        15 HSBC PAYMENT NOTIFICATION______Pdf.exe 2 2->15         started        17 dhcpmon.exe 2 2->17         started        signatures3 process4 file5 54 HSBC PAYMENT NOTIF...ON______Pdf.exe.log, ASCII 9->54 dropped 19 HSBC PAYMENT NOTIFICATION______Pdf.exe 1 12 9->19         started        70 Injects a PE file into a foreign processes 12->70 24 dhcpmon.exe 12->24         started        26 dhcpmon.exe 12->26         started        28 HSBC PAYMENT NOTIFICATION______Pdf.exe 15->28         started        30 HSBC PAYMENT NOTIFICATION______Pdf.exe 15->30         started        32 dhcpmon.exe 17->32         started        34 dhcpmon.exe 17->34         started        signatures6 process7 dnsIp8 58 hemplife.ddns.net 194.5.98.160, 4090, 49758, 49759 DANILENKODE Netherlands 19->58 46 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->46 dropped 48 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 19->48 dropped 50 C:\Users\user\AppData\Local\...\tmp9346.tmp, XML 19->50 dropped 52 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->52 dropped 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->68 36 schtasks.exe 1 19->36         started        38 schtasks.exe 1 19->38         started        40 svchost.exe 8 19->40         started        file9 signatures10 process11 process12 42 conhost.exe 36->42         started        44 conhost.exe 38->44         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-19 03:11:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
hemplife.ddns.net:4090
Unpacked files
SH256 hash:
153efb491e50cbd59b338f8d10526a659035b597c3390cf0eecc8de675634957
MD5 hash:
f55b29bbe9262c7c51c9a6f2dea2e620
SHA1 hash:
94fc871371b08793c6df4ff8a390c4d8ce08e032
SH256 hash:
37c9f04be1219fa2d86ca0a64a97bd9caf03d75e63ec15842b8e2565c3588f20
MD5 hash:
09416b06039e76e510bc9bfaa2adc5d9
SHA1 hash:
341e200da9a85aa34eb9f0fc239dfb61ff9ca4c8
SH256 hash:
893a24de4131c30ce4dd915b7a3978f38399fb6af5e00de0da49a8f9566e85a6
MD5 hash:
b9e7d8e7ca7a8e763167f2265ff8c0a5
SHA1 hash:
1b8bf11f73edfc66314bff8fc3820f7ec8e44bd4
SH256 hash:
7172472f86ff1ff133d5c8ba5bad21ecad8457bf416a5f54e95bee9606639e7d
MD5 hash:
e70ed9e06e6161eebd8c96f36e7b50fa
SHA1 hash:
1789866b0f4ba135471a28d8eaea75151b1bb2c8
SH256 hash:
d97dd1eecff5bdd498edf0ad38d94615979ba81ee958de888e24c2f0c7655948
MD5 hash:
feb349345dd90bfac35b83746707e189
SHA1 hash:
9aed8d3872ffa5e2390c0e8331e3b69e6e136eee
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:ach_NanoCore
Author:abuse.ch
Rule name:malware_Nanocore_strings
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Author:Kevin Breen <kevin@techanarchy.net>

File information


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

Malspam

NanoCore

Executable exe d97dd1eecff5bdd498edf0ad38d94615979ba81ee958de888e24c2f0c7655948

(this sample)

  
Dropped by
nanocore
  
Delivery method
Distributed via e-mail attachment

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