MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abba5d05324ebbb882f9bd6edc4b46962ef0fd95fe442cdbe4c3762b02f720b5. 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 11 File information Comments

SHA256 hash: abba5d05324ebbb882f9bd6edc4b46962ef0fd95fe442cdbe4c3762b02f720b5
SHA3-384 hash: 07b53da2e8e37eef448b47d35c087534b9a293b70facc08a1c2666a5e5488b16bcdfa0a233b77e8c70bc2dae2245553e
SHA1 hash: b32852aecbc8d468a1e160c854a4dc294bdd9537
MD5 hash: b5f79475eabf454de80248863bc08a44
humanhash: early-violet-xray-bravo
File name:b5f79475eabf454de80248863bc08a44.exe
Download: download sample
Signature NanoCore
File size:570'368 bytes
First seen:2022-06-30 17:10:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:lYXZX2evAo2N3dc9JJo4rYKp/y/QKk6N5GsAL+R0dkKF9xsexKlotwY97IVWX:mJlvu8ar5vuw0drFpPtwQ
Threatray 6'028 similar samples on MalwareBazaar
TLSH T15FC402843620B09FC4278F778C6A5CD09730D4B96B4BDA0BE45721CE986C7AB4F956F2
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 abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.87.84.21:1995

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
194.87.84.21:1995 https://threatfox.abuse.ch/ioc/738082/

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
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)
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
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 AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 655247 Sample: HB7GXoSR2e.exe Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 11 other signatures 2->53 8 HB7GXoSR2e.exe 3 2->8         started        12 dhcpmon.exe 3 2->12         started        14 HB7GXoSR2e.exe 2 2->14         started        16 dhcpmon.exe 2 2->16         started        process3 file4 43 C:\Users\user\AppData\...\HB7GXoSR2e.exe.log, ASCII 8->43 dropped 57 Uses schtasks.exe or at.exe to add and modify task schedules 8->57 59 Injects a PE file into a foreign processes 8->59 18 HB7GXoSR2e.exe 1 15 8->18         started        23 dhcpmon.exe 12->23         started        25 HB7GXoSR2e.exe 2 14->25         started        27 dhcpmon.exe 16->27         started        signatures5 process6 dnsIp7 45 jasonbourne.bounceme.net 194.87.84.21, 1995, 49719, 49722 SERVERS-COMUS Russian Federation 18->45 37 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->37 dropped 39 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 18->39 dropped 41 C:\Users\user\AppData\Local\...\tmpF39A.tmp, XML 18->41 dropped 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->55 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       
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-06-30 04:25:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata 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
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
jasonbourne.bounceme.net:1995
127.0.0.1:1995
Unpacked files
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
0ef09e55da3aaca4e4fafac261f7b8f8bca9e62b0c7cff64d8f600f1569dbc84
MD5 hash:
70c5b0f0a64b23779602dcd3f6343b90
SHA1 hash:
d063d2eb232567a8ab32c5f8ab02f9537725e6fb
Detections:
win_nanocore_w0
SH256 hash:
c74b7c763efdf8f489263bfd628fbd3615662a9513855c7c1057d613921dc300
MD5 hash:
eb2bf0dff43c24c3fa26a9081c3ac12c
SHA1 hash:
c38a1f7b7fe606df481662bd2b4664450b7e2c3f
SH256 hash:
fe8b4bd0e47e02738fc5cf3288262a27684907a4be30b4827eb537532daacd75
MD5 hash:
f816e18ce7b28f5168f3b2a06ce9aa6c
SHA1 hash:
934f611f6143372415ad05ddd621e102a4857b47
SH256 hash:
16b9fc4700292684bae0ef2da4a4f4b393103771e93c0b48747df8a24af40d59
MD5 hash:
12ae0e4078e6e9da25181468d72b7ef4
SHA1 hash:
3f88feb096debc12d2f72bac4dfe7e799c7bbf36
SH256 hash:
abba5d05324ebbb882f9bd6edc4b46962ef0fd95fe442cdbe4c3762b02f720b5
MD5 hash:
b5f79475eabf454de80248863bc08a44
SHA1 hash:
b32852aecbc8d468a1e160c854a4dc294bdd9537
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.

Web download

NanoCore

Executable exe abba5d05324ebbb882f9bd6edc4b46962ef0fd95fe442cdbe4c3762b02f720b5

(this sample)

  
Delivery method
Distributed via web download

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