MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 838c8c2090fe5bda65dc44782f16ab7391afe32dc8e40d9e4ff478ff7b2876aa. 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: 11


Intelligence 11 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 838c8c2090fe5bda65dc44782f16ab7391afe32dc8e40d9e4ff478ff7b2876aa
SHA3-384 hash: a003539204e071fb9364652f5426c3f3a360cf89d529d9d280324a2c14a71718d21b5794e3052b66be4a86315a08de81
SHA1 hash: af52672c3bd0256cf9c2b7ea56fb01a438e72380
MD5 hash: 325c092124133acbae85c58a1201462a
humanhash: four-indigo-freddie-princess
File name:Booking Slip.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:790'016 bytes
First seen:2022-07-17 08:10:31 UTC
Last seen:2022-07-17 08:45:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:0h78IN4WhK3TG2OfiW6HwUP8muMcy4BYByh2P7IE8VX865zXpX34:+wrWE3TG2Ov6jP8muGIYUU7N8S659Y
Threatray 7'443 similar samples on MalwareBazaar
TLSH T18EF4330162645BB4C1761F76C38A2A926971BB80B7C3FFA04894BF72AD4773867097C6
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)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
141.98.6.128:1187

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
141.98.6.128:1187 https://threatfox.abuse.ch/ioc/838237/

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291291/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.26531.10817.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Gathering data
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0e87a69-507b-4024-87d2-b7387984127d
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1034555
Signature
.NET source code contains potential unpacker
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)
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
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 667049 Sample: Booking Slip.exe Startdate: 17/07/2022 Architecture: WINDOWS Score: 100 76 derananocore.ddns.net 2->76 80 Snort IDS alert for network traffic 2->80 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 15 other signatures 2->86 9 Booking Slip.exe 7 2->9         started        13 Booking Slip.exe 2->13         started        15 dhcpmon.exe 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 file5 68 C:\Users\user\AppData\Roaming\HOSBcOmiE.exe, PE32 9->68 dropped 70 C:\Users\...\HOSBcOmiE.exe:Zone.Identifier, ASCII 9->70 dropped 72 C:\Users\user\AppData\Local\...\tmpB717.tmp, XML 9->72 dropped 74 C:\Users\user\...\Booking Slip.exe.log, ASCII 9->74 dropped 90 Adds a directory exclusion to Windows Defender 9->90 92 Injects a PE file into a foreign processes 9->92 19 Booking Slip.exe 1 14 9->19         started        24 powershell.exe 23 9->24         started        26 schtasks.exe 1 9->26         started        28 powershell.exe 13->28         started        30 schtasks.exe 13->30         started        34 2 other processes 13->34 36 4 other processes 15->36 32 powershell.exe 17->32         started        38 2 other processes 17->38 signatures6 process7 dnsIp8 78 derananocore.ddns.net 141.98.6.128, 1187, 49782, 49784 CMCSUS Germany 19->78 62 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->62 dropped 64 C:\Users\user\AppData\Roaming\...\run.dat, data 19->64 dropped 66 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->66 dropped 88 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->88 40 schtasks.exe 19->40         started        42 schtasks.exe 19->42         started        44 conhost.exe 24->44         started        46 conhost.exe 26->46         started        48 conhost.exe 28->48         started        50 conhost.exe 30->50         started        52 conhost.exe 32->52         started        56 2 other processes 36->56 54 conhost.exe 38->54         started        file9 signatures10 process11 process12 58 conhost.exe 40->58         started        60 conhost.exe 42->60         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/838c8c2090fe5bda65dc44782f16ab7391afe32dc8e40d9e4ff478ff7b2876aa/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-07-17 08:11:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 39 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qogiyieq7zn5uzo4ir4c6fvlooi27yznzdsa3hsp6r4p66zio2va._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0610cb3a060ef7b21f8346e3aaba432daa7dd55553832c53aca23f76af695333
NanoCore
0b1396805e736275f16550f3ecc5361cfcccc468094b4ea910ded8eaf430a5b3
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
6bdbf82319b9c14df59cbbe82c0b79db631510cef4f2e6a6735eeb0e329fd943
NanoCore
8bf0518cd0c607aa51073dfe422f6af43ab8b43523bd0c182cc6172c9ecb9072
NanoCore
9530780503c903e1d83738e19e754c3756e067612adddcea2f64c25749b6a838
NanoCore
964ed2b5f5aec6a94c1674d3d1358ab0189b957f4bb16aaef1c6d6f0fed4d911
NanoCore
b771e6a9cb56600b3cb46440bd7af362598c9904350163754898505d35cff4ad
NanoCore
+ 7'433 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220717-j29nwsghd3/
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
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
derananocore.ddns.net:1187
194.87.84.135:1187
Unpacked files
SH256 hash:
fe46c824dbcff5537b7388ebc09dd8852a7fe8f3bc690ae2da245e0e2b01cb2e
MD5 hash:
8f921edbd8b92a84a7bcb306ebb1c86c
SHA1 hash:
a286d0abfb62a21a7e7ba9d30028d212cd107947
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/55a0517a-ddc2-4534-9709-3071988d4543/
Parent samples :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 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/55a0517a-ddc2-4534-9709-3071988d4543/
SH256 hash:
a170066ba194584a82e4000d97d83807cef074137714106c14ad56571f6c90f6
MD5 hash:
ee20a01e9b98a2b7b0b144f0e6bffb47
SHA1 hash:
3de09fe74f949c91b6dd0bd6358c67a526af0ea1
Link:
https://www.unpac.me/results/55a0517a-ddc2-4534-9709-3071988d4543/
SH256 hash:
bc7ae3861f391f4a60105a6bf0b42113e5cbfd9d6dd276bce34b0e4c1ef678ed
MD5 hash:
70fcfd92eed81315be2c1733ed112575
SHA1 hash:
323f6195150bd12f0ec4e7d3220d25d819cfc201
Link:
https://www.unpac.me/results/55a0517a-ddc2-4534-9709-3071988d4543/
SH256 hash:
07a669badf12ee362884eca88c04ff18b102b9cf7b59653807fc451ad4e7b8fe
MD5 hash:
f6df51f6176af38265fd8933b3f473a7
SHA1 hash:
2c7549beab772727065d025417e42ad6840294b9
Link:
https://www.unpac.me/results/55a0517a-ddc2-4534-9709-3071988d4543/
SH256 hash:
838c8c2090fe5bda65dc44782f16ab7391afe32dc8e40d9e4ff478ff7b2876aa
MD5 hash:
325c092124133acbae85c58a1201462a
SHA1 hash:
af52672c3bd0256cf9c2b7ea56fb01a438e72380
Link:
https://www.unpac.me/results/55a0517a-ddc2-4534-9709-3071988d4543/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/838c8c2090fe/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/838c8c2090fe5bda65dc44782f16ab7391afe32dc8e40d9e4ff478ff7b2876aa

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
Create hunting rule
Author:abuse.ch
Rule name:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/291291/

Comments