MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da. 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 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da
SHA3-384 hash: ca01037f76850d47202e84a35f276197788ac8dc3118b87207681257189317144e0043d6d152ed59e8043519c657813e
SHA1 hash: 2548e9ffd49fbbfcd1f2ebd4aedfb843dfe6da29
MD5 hash: bf057dc4b4f9acafa17ae6b08520903c
humanhash: fruit-mexico-tango-west
File name:order-181289654312464649.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:6'551'040 bytes
First seen:2021-01-14 06:10:15 UTC
Last seen:2021-01-14 08:19:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 196608:UFlrJpwLBIInl9hHmHvCYKsj142DYgGM:UFlTeIIlXmPoA4OX
Threatray 107 similar samples on MalwareBazaar
TLSH 33662242FBD6C791D86074B713CAE6193326FECF4E4086A5171ABAB558371C22D8E3C9
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: 191-101-130-44-hostedby.bcr.host
Sending IP: 191.101.130.44
From: "Ronald Rina" <rrina@smediasys.com>
Reply-To: rrina-smediasys@post.com
Subject: Request For QUOTE (INNOVATION PROJECT)
Attachment: order-181289654312464649.iso (contains "order-181289654312464649.exe")

NanoCore RAT C2:
nanopc.linkpc.net:40700 (185.157.161.86)

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
order-181289654312464649.exe
Verdict:
Malicious activity
Analysis date:
2021-01-14 06:12:36 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/21fada46-bdc4-4579-8a39-6f1e05e33305

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111907/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.505.10622.11164.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/580861
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
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)
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
Sigma detected: NanoCore
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 339465 Sample: order-181289654312464649.exe Startdate: 14/01/2021 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Sigma detected: NanoCore 2->58 60 8 other signatures 2->60 9 order-181289654312464649.exe 6 2->9         started        process3 file4 40 C:\Users\user\...\vcdfcfghjghtkhjbnvgh.exe, PE32 9->40 dropped 42 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 9->42 dropped 44 vcdfcfghjghtkhjbnvgh.exe:Zone.Identifier, ASCII 9->44 dropped 46 C:\Users\...\order-181289654312464649.exe.log, ASCII 9->46 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->64 13 vcdfcfghjghtkhjbnvgh.exe 5 9->13         started        signatures5 process6 file7 48 C:\Users\user\...\ffbbhioyfigdrstruii.exe, PE32 13->48 dropped 66 Multi AV Scanner detection for dropped file 13->66 68 Machine Learning detection for dropped file 13->68 70 Writes to foreign memory regions 13->70 72 3 other signatures 13->72 17 AddInProcess32.exe 9 13->17         started        22 ffbbhioyfigdrstruii.exe 13->22         started        24 ffbbhioyfigdrstruii.exe 2 13->24         started        26 3 other processes 13->26 signatures8 process9 dnsIp10 50 185.157.162.81, 40700, 49759, 49760 OBE-EUROPEObenetworkEuropeSE Sweden 17->50 52 nanopc.linkpc.net 185.157.161.86, 40700, 49762 OBE-EUROPEObenetworkEuropeSE Sweden 17->52 38 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 17->38 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->62 28 ffbbhioyfigdrstruii.exe 22->28         started        30 ffbbhioyfigdrstruii.exe 24->30         started        32 ffbbhioyfigdrstruii.exe 26->32         started        34 ffbbhioyfigdrstruii.exe 26->34         started        file11 signatures12 process13 process14 36 ffbbhioyfigdrstruii.exe 28->36         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xe7fban66ehupohag7nbkwcsejpbbs2gwc63zk3nk6tigzgltdna._file
Verdict:
suspicious
Similar samples:
2107a31669bfe0b3bbb80e1f2853015aff987ad14aa23e7583cedeefe49aa775
NanoCore
295d0bbeb8eeb0956c87e46ad0beeb66bc02f3c72c20a898ae66d3bfc64e670b
NanoCore
2d564ae361eb499ca493273e9fcfb88546105c88293c7633a7e1580a435cee9f
NanoCore
48a21c645f143a4fcfc517da6517f08c8063e46cfd5ee4278a5ad2600818ba8a
NanoCore
71883cd434af078341c6e3373713a7cce3f97307ede83e427ea74d43025ec233
NanoCore
84d9c4b6e6175152b0a96f6d629372d0e0f6709609373e0ccb0679b6b854b4e8
NanoCore
8bb5e094fe793a06740ea5ab43ced903c8be03b623bf604fd10b704941d503b2
NanoCore
96cdf96daea9002d2dcf31e5d37b7df4942ef6085209df1f6b269b9baca3e40a
NanoCore
c75e2b1752bd8221bd68fea21243915af2a92834a23d148a46e41b370badfd18
NanoCore
d43838212ddf94f2e613eeeaf305893081963706657e5588273a798e5ca5690d
NanoCore
+ 97 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210114-n2ja7p2mgn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
185.157.162.81:40700
nanopc.linkpc.net:40700
Unpacked files
SH256 hash:
b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da
MD5 hash:
bf057dc4b4f9acafa17ae6b08520903c
SHA1 hash:
2548e9ffd49fbbfcd1f2ebd4aedfb843dfe6da29
Link:
https://www.unpac.me/results/192364c4-0b5f-4728-9c9b-8ddf1c49df74/
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
Link:
https://www.unpac.me/results/192364c4-0b5f-4728-9c9b-8ddf1c49df74/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/192364c4-0b5f-4728-9c9b-8ddf1c49df74/
SH256 hash:
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad
MD5 hash:
0e362e7005823d0bec3719b902ed6d62
SHA1 hash:
590d860b909804349e0cdc2f1662b37bd62f7463
Link:
https://www.unpac.me/results/192364c4-0b5f-4728-9c9b-8ddf1c49df74/
SH256 hash:
a80df1244f5bd5d2325ffd8a8bfefa68ba776d96c7c1a9f60cdf5308932f228b
MD5 hash:
107d615f339d3c0b9321c8b3522c96de
SHA1 hash:
6a9f916041173bbbf4f265a754134deafc9aa217
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/192364c4-0b5f-4728-9c9b-8ddf1c49df74/
Parent samples :
7534a4ffb8ef83103485bcce9d51b2af93730a9d578e2b8b5f7ff473c0f8092d
2d564ae361eb499ca493273e9fcfb88546105c88293c7633a7e1580a435cee9f
b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da
900a45ab72e1145d8bbaa09fbb68c9d536782c4877ae844270f768a25bf1fc9f
b3e06e10d739a4e4c6207dba909e57c264994c09543a5101fe52da860e8a09a9
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/b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da

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: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.

Malspam

NanoCore

iso a3cdba5e6356d749872be297aac6f25e844694ad37b2f320a34f41480815cbf6

NanoCore

Executable exe b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da

(this sample)

  
Dropped by
MD5 d4105b9ec08380a8a47f0f31b7d74858
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a3cdba5e6356d749872be297aac6f25e844694ad37b2f320a34f41480815cbf6
Cape
Cape
https://www.capesandbox.com/analysis/111907/

Comments