MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1622bdde61030fe3f302c9bdc6f3d8a9fcee9dedae943c9fbc039cbe365990d6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1622bdde61030fe3f302c9bdc6f3d8a9fcee9dedae943c9fbc039cbe365990d6
SHA3-384 hash: 09cd7ff3c9d829f5cbcb6b91679a45b1157808d0067f08a05c52d2eb251513dec6bb4718257ff25d7bd53bf0901fe795
SHA1 hash: 10a56945cc5a5a1ec8b27add1bc7a466d3fd2871
MD5 hash: 17118d9f733afcd33cd58f3ee053a1ff
humanhash: tango-september-xray-purple
File name:SecuriteInfo.com.Trojan.MSIL.Krypt.2239
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'022'464 bytes
First seen:2022-09-11 07:48:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:07usfe3YIZXj1bpjnZtc3jlK5keEjrAc1l+16P:3t3nXjTHUjgkr4c1jP
Threatray 4'644 similar samples on MalwareBazaar
TLSH T1DD25AE9D79A872FFC857D971ADA81D64EA92B4770B4F520B855301BCCE8C583EE081B3
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
423
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.MSIL.Krypt.2239
Verdict:
Malicious activity
Analysis date:
2022-09-11 07:51:34 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/c610334f-743c-42da-90c2-13dbf8f45fff

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309272/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Krypt.2239.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/631d92f420a1e05a51ab1a04/reports/e33ebb81-c2a2-4fa1-a17f-1cfc39ba244a/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2eb3dc9f-b18c-49dd-8c95-3941871dbbdd
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068411
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
PE file contains section with special chars
PE file has nameless sections
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 700943 Sample: SecuriteInfo.com.Trojan.MSI... Startdate: 11/09/2022 Architecture: WINDOWS Score: 100 50 dera5nano.ddns.net 2->50 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 13 other signatures 2->60 9 SecuriteInfo.com.Trojan.MSIL.Krypt.2239.exe 6 2->9         started        13 SecuriteInfo.com.Trojan.MSIL.Krypt.2239.exe 2 2->13         started        15 dhcpmon.exe 2->15         started        17 dhcpmon.exe 2->17         started        signatures3 process4 file5 44 C:\Users\user\AppData\...\DVGsNzJiKqxEw.exe, PE32 9->44 dropped 46 C:\Users\user\AppData\Local\...\tmp9C7B.tmp, XML 9->46 dropped 48 SecuriteInfo.com.T....Krypt.2239.exe.log, ASCII 9->48 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 9->64 66 Injects a PE file into a foreign processes 9->66 68 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->68 19 SecuriteInfo.com.Trojan.MSIL.Krypt.2239.exe 1 13 9->19         started        24 schtasks.exe 1 9->24         started        26 SecuriteInfo.com.Trojan.MSIL.Krypt.2239.exe 9->26         started        signatures6 process7 dnsIp8 52 dera5nano.ddns.net 185.216.71.194, 1010, 49758, 49761 CLOUDCOMPUTINGDE Germany 19->52 38 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->38 dropped 40 C:\Users\user\AppData\Roaming\...\run.dat, data 19->40 dropped 42 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->42 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->62 28 schtasks.exe 1 19->28         started        30 schtasks.exe 1 19->30         started        32 conhost.exe 24->32         started        file9 signatures10 process11 process12 34 conhost.exe 28->34         started        36 conhost.exe 30->36         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1622bdde61030fe3f302c9bdc6f3d8a9fcee9dedae943c9fbc039cbe365990d6/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-09-11 07:49:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cyrl3xtbamh6h4yczg64n46yvh6o5hpnv2kdzh54aool4nszsdla._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef
NanoCore
42160df191b53ba66deac9a1dcb81f52f1712831a07d359d7c4bf9b5574c4707
NanoCore
66b83ea08aae693557315e3e62fcdc14e3ab57c51d43a10a4bacf1d5e05c6988
NanoCore
75d8f694cc59aaf61da837b61782e3c1004ee310918f3fc3ee34ee1b7b0c0a9d
NanoCore
a3fbcb163ca47c352ef996b6b42fec6aa2e88073bfb279d8510c3f1a4c472b04
NanoCore
e1ee64f883461b2467c9ba0efb86934add2505f1e230126a12d835a796d2f869
NanoCore
e527276384d145defb319a3c2adeb52e7825e5a7f8f7459ebc368c31a4018f03
NanoCore
ede54ddd1ad0cc12aeb64653aee9b3d056263312bf2221ee7f640fd3fcbf11cb
NanoCore
efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca
NanoCore
f8b172fef8728a9ec1ad7b73e5f59c6750d53244dbce42a769c910b673669236
NanoCore
+ 4'634 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220911-jnn52afacm/
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
Malware Config
C2 Extraction:
dera5nano.ddns.net:1010
107.182.129.248:1010
Unpacked files
SH256 hash:
9a70539ee10ca4f23c3ce1d4a1a6caac1986adeb74e02fded4fc1b9801850ec6
MD5 hash:
4d5361cb29ce306f9376546da22139cd
SHA1 hash:
ce2776a53d7730718f8bc64a0792dded715674a7
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/53fc559c-a202-4af5-bcae-eeb5e263829c/
Parent samples :
81f2b379359e0d425565be86c1ff9ec7978dba9a8a4312b4552be9baeb25ba86
308363ca0bad56134160cbc34dff0c6e881dfd6daf567555879f9d9edda08b36
1622bdde61030fe3f302c9bdc6f3d8a9fcee9dedae943c9fbc039cbe365990d6
1b8211b6c45db62e042398a3d94c429941a3f91b26736cd4fdcb712b70d2c194
94bcc238e29903cc49036da98144dae0c7e10526669d6c50e3b87239f8e27262
d9c9287699412cfa29ffee706b0b93d6689b74ac1d32739e77bae1d8666aecbd
a04ab9db28f46cc5a2efc487c63660df3c7c061f179dbe5e0cc175915720a832
5affdcb7df43eaffa763090a9c0c8159e6ec2f97181214c99bb28e3922f0f4cb
88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3
e299c9fefb47c0e66cedf01eddb79eb63741608b8decf4b3c125eced1469fa92
SH256 hash:
7e61501936ba973cdabcf65e7a15806adab9509f92dba06df2876a450d235672
MD5 hash:
40627ed5944c913f056e027990839352
SHA1 hash:
c90e83dfaf4310f5d06ee75b53435310ea972412
Link:
https://www.unpac.me/results/53fc559c-a202-4af5-bcae-eeb5e263829c/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/53fc559c-a202-4af5-bcae-eeb5e263829c/
SH256 hash:
1622bdde61030fe3f302c9bdc6f3d8a9fcee9dedae943c9fbc039cbe365990d6
MD5 hash:
17118d9f733afcd33cd58f3ee053a1ff
SHA1 hash:
10a56945cc5a5a1ec8b27add1bc7a466d3fd2871
Link:
https://www.unpac.me/results/53fc559c-a202-4af5-bcae-eeb5e263829c/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1622bdde6103/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/1622bdde61030fe3f302c9bdc6f3d8a9fcee9dedae943c9fbc039cbe365990d6

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/309272/

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