MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0250b7c8ba886c5588b82e2d670559eb3a557c10e1af0845eb146230e2610643. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments

SHA256 hash: 0250b7c8ba886c5588b82e2d670559eb3a557c10e1af0845eb146230e2610643
SHA3-384 hash: d221b4d7b3165b65058c451a8141b8f28bd834d2e21b289654e8d430e25ac09f46f26eac33db56b27f9cedcb56b519b7
SHA1 hash: d0a309bd42d0a29d347bca6021279063c52f8459
MD5 hash: f8a4fce96546c086029ceb3b60b7ec88
humanhash: chicken-twenty-ack-johnny
File name:SecuriteInfo.com.Trojan.PackedNET.1400.30765.30678
Download: download sample
Signature NanoCore
File size:561'664 bytes
First seen:2022-06-30 06:36:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:fv2X7X2evYhZYOa8q/7QDiTSXf8vCgMH06PtKQjxiFwTcs2X:f+LlvYzYd8fDEW8TMHx3ewe
Threatray 6'070 similar samples on MalwareBazaar
TLSH T13CC40244B620B59EC8278F778C5A5CD0E730E1BA6F4BD607E80314CE996E7968E416F3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6161c4cc8c86d4c4 (11 x AgentTesla, 8 x SnakeKeylogger, 6 x Formbook)
Reporter SecuriteInfoCom
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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 Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 654886 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 58 xp230522.ddns.net 2->58 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 12 other signatures 2->70 9 SecuriteInfo.com.Trojan.PackedNET.1400.30765.exe 3 2->9         started        13 SecuriteInfo.com.Trojan.PackedNET.1400.30765.exe 2 2->13         started        15 dhcpmon.exe 3 2->15         started        17 dhcpmon.exe 2 2->17         started        signatures3 process4 file5 56 SecuriteInfo.com.T....1400.30765.exe.log, ASCII 9->56 dropped 74 Uses schtasks.exe or at.exe to add and modify task schedules 9->74 76 Injects a PE file into a foreign processes 9->76 19 SecuriteInfo.com.Trojan.PackedNET.1400.30765.exe 1 12 9->19         started        24 SecuriteInfo.com.Trojan.PackedNET.1400.30765.exe 9->24         started        26 SecuriteInfo.com.Trojan.PackedNET.1400.30765.exe 13->26         started        28 SecuriteInfo.com.Trojan.PackedNET.1400.30765.exe 13->28         started        30 dhcpmon.exe 15->30         started        32 BackgroundTransferHost.exe 15->32         started        34 dhcpmon.exe 17->34         started        36 dhcpmon.exe 17->36         started        signatures6 process7 dnsIp8 60 xp230522.ddns.net 212.192.246.194, 1990, 49765, 49775 RHC-HOSTINGGB Russian Federation 19->60 62 192.168.2.1 unknown unknown 19->62 48 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->48 dropped 50 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 19->50 dropped 52 C:\Users\user\AppData\Local\...\tmp290D.tmp, XML 19->52 dropped 54 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->54 dropped 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->72 38 schtasks.exe 1 19->38         started        40 schtasks.exe 1 19->40         started        42 backgroundTaskHost.exe 19->42         started        file9 signatures10 process11 process12 44 conhost.exe 38->44         started        46 conhost.exe 40->46         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-06-30 04:24:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
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:
xp230522.ddns.net:1990
Unpacked files
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
d939caa0144dc790a4b8f17427a8dd22f129939b500e42ebfb12d3270b2f3824
MD5 hash:
25bc104d35cf31d35c9f45a8f20d92d9
SHA1 hash:
76e066d92e0b419b501dae8b38b2ba9fd0f8308c
SH256 hash:
16b9fc4700292684bae0ef2da4a4f4b393103771e93c0b48747df8a24af40d59
MD5 hash:
12ae0e4078e6e9da25181468d72b7ef4
SHA1 hash:
3f88feb096debc12d2f72bac4dfe7e799c7bbf36
SH256 hash:
3859d177baa590824c671965c65a4452ce6725ecb6aa7d98f199e22afc0bb5d3
MD5 hash:
c6adfae553f75739e0ff34c147b95ddb
SHA1 hash:
1bb253f7a8e32fcf492478279e23d713c36f8bc7
SH256 hash:
0250b7c8ba886c5588b82e2d670559eb3a557c10e1af0845eb146230e2610643
MD5 hash:
f8a4fce96546c086029ceb3b60b7ec88
SHA1 hash:
d0a309bd42d0a29d347bca6021279063c52f8459
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.

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