MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c7c70774bf8dff8e48f15840b7d853a17365ab71460e68699b3ab6f863729bf. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c7c70774bf8dff8e48f15840b7d853a17365ab71460e68699b3ab6f863729bf
SHA3-384 hash: 77471d1a5dd953fb79576510fd0dd5c09fb09bdb7ba5a36522550dfad22d1b239d3478cba3c9a0e34c0bfc1e339cb222
SHA1 hash: 878be54ce3cba72d20d9f32d4dad7cde578cc882
MD5 hash: 3eec623533d3087a1d22971cd4362c47
humanhash: india-diet-table-sixteen
File name:GT_0397337_03987638BNG.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'061'376 bytes
First seen:2021-03-22 07:36:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:xyScirwXcIWo5+3A8Kcni2WqcatEUPGdR9r2nfM2ddaKitNaE7/yokb7SInLWoaP:VPGX9rUDMC1SUaPU9F72q1iIql7
Threatray 1'656 similar samples on MalwareBazaar
TLSH EC356B1723485E5FF17F26B080054A0563F8D16AE751EFE87DC2A9EA9AD06C1DBB1233
Reporter TeamDreier
Tags:NanoCore

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.140.53.9:1116 https://threatfox.abuse.ch/ioc/4491/

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
GT_0397337_03987638BNG.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 08:01:06 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/423bcd1c-f779-465e-84e7-3c0c7d824b06

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/647438
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 372683 Sample: GT_0397337_03987638BNG.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 52 coded1116.myq-see.com 2->52 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 11 other signatures 2->64 9 GT_0397337_03987638BNG.exe 7 2->9         started        13 dhcpmon.exe 4 2->13         started        15 dhcpmon.exe 3 2->15         started        17 MSBuild.exe 2 2->17         started        signatures3 process4 file5 46 C:\Users\user\AppData\Roaming\YsbiNsxm.exe, PE32 9->46 dropped 48 C:\Users\user\AppData\Local\...\tmpFF73.tmp, XML 9->48 dropped 50 C:\Users\...behaviorgraphT_0397337_03987638BNG.exe.log, ASCII 9->50 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 9->68 70 Writes to foreign memory regions 9->70 72 Injects a PE file into a foreign processes 9->72 19 MSBuild.exe 1 12 9->19         started        24 schtasks.exe 1 9->24         started        26 conhost.exe 13->26         started        28 conhost.exe 15->28         started        30 conhost.exe 17->30         started        signatures6 process7 dnsIp8 54 coded1116.myq-see.com 185.140.53.9, 1116, 49706, 49708 DAVID_CRAIGGG Sweden 19->54 56 192.168.2.1 unknown unknown 19->56 42 C:\Users\user\AppData\Roaming\...\run.dat, data 19->42 dropped 44 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->44 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->66 32 schtasks.exe 1 19->32         started        34 schtasks.exe 1 19->34         started        36 conhost.exe 24->36         started        file9 signatures10 process11 process12 38 conhost.exe 32->38         started        40 conhost.exe 34->40         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c7c70774bf8dff8e48f15840b7d853a17365ab71460e68699b3ab6f863729bf/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 04:52:25 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rr6ha52l7dp7rzepcwcaw7mfhiltmwvxcrqonbuzwovw7brxfg7q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
NanoCore
2acf6c2398a12dc97ff2ceec4f348ed6338c4aafb2dcfeb24856cf8526d12a9d
NanoCore
4ab0583ffd51ef40c7531a93f294c16dfbcfaa1daf13835b8bd231c269a780c8
NanoCore
644a0403a3c8254a3846b8c07aa7fdeb2cfe21aa5630ca3100949869f60ae407
NanoCore
83a5d6da50195774a35e46a89d8d9854b4282ec5a3fffa02fa0f7c90d274117f
NanoCore
d8ad1152e4f637d74f26843242b113b17d305d71a9b1c1aa6005ab599371cc8b
NanoCore
db591a08743176655e567ddffcbbd79b9e2e31feadc1feb54a0200296a93d53d
NanoCore
e26e07749118e8284c28e50553c62bdbe327234b801ffdf2eedb8663444aa459
NanoCore
f3ac633354efc183e1705dd9e042d39b62208735f6f9e83534fb21c9f32b5d70
NanoCore
fbdbd6b6c6cd7a2b07d771d9969e53689f3601bbf7355ee49138b07511b88df7
NanoCore
+ 1'646 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210322-zlgk7zvyma/
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
NanoCore
Malware Config
C2 Extraction:
coded1116.myq-see.com:1116
79.134.225.74:1116
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/71344970-6a37-4eeb-9b0e-efb7c5540c4d/
SH256 hash:
8c7c70774bf8dff8e48f15840b7d853a17365ab71460e68699b3ab6f863729bf
MD5 hash:
3eec623533d3087a1d22971cd4362c47
SHA1 hash:
878be54ce3cba72d20d9f32d4dad7cde578cc882
Link:
https://www.unpac.me/results/71344970-6a37-4eeb-9b0e-efb7c5540c4d/
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/8c7c70774bf8dff8e48f15840b7d853a17365ab71460e68699b3ab6f863729bf

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:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
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_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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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.

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