MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7267a3c9d92f8bb7d87be0415df93365de22b6d78f822b590c7160ad5349e2f1. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
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SHA256 hash: 7267a3c9d92f8bb7d87be0415df93365de22b6d78f822b590c7160ad5349e2f1
SHA3-384 hash: 0c6f9739f28d42f0fa472dfc4068a32375c0020bfd1a169c20ebb88be2ac6115dc84f2c1c5a9a81f58297b3823dfc45b
SHA1 hash: af7ae11c70c80f075ad54b020164a4ef2c3e0c1e
MD5 hash: 0e06f9e2cc0321845079df647d84cae0
humanhash: quebec-virginia-twelve-river
File name:Bilansno placanje.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'183'744 bytes
First seen:2021-03-26 16:50:52 UTC
Last seen:2021-03-26 18:52:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:8z/SPHuvjfzI1RBUjtSY8Cts3PoztKlFoqdEuuKFmqzUedjV0xNd3zqaUDL:kvjfaoztoPdEtKB47F3l
Threatray 1'988 similar samples on MalwareBazaar
TLSH 6745E58631ECD5DAD016ADB8C85BD7F23392DCAB8742E74330ACF95A646779AD10340B
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bilansno placanje.exe
Verdict:
No threats detected
Analysis date:
2021-03-26 16:54:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d95e45ef-4a4e-4fee-ad0c-39adb9a3ecf9

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/127123/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.598.25306.28512.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/655262
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
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
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 376561 Sample: Bilansno placanje.exe Startdate: 26/03/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 13 other signatures 2->48 7 Bilansno placanje.exe 7 2->7         started        11 dhcpmon.exe 4 2->11         started        process3 file4 24 C:\Users\user\AppData\...\FyciZGSetdckBv.exe, PE32 7->24 dropped 26 C:\...\FyciZGSetdckBv.exe:Zone.Identifier, ASCII 7->26 dropped 28 C:\Users\user\AppData\Local\...\tmp7D81.tmp, XML 7->28 dropped 30 C:\Users\user\...\Bilansno placanje.exe.log, ASCII 7->30 dropped 50 Writes to foreign memory regions 7->50 52 Allocates memory in foreign processes 7->52 54 Injects a PE file into a foreign processes 7->54 13 RegSvcs.exe 1 10 7->13         started        18 schtasks.exe 1 7->18         started        20 conhost.exe 11->20         started        signatures5 process6 dnsIp7 36 emmydan.ddns.net 194.5.98.46, 49732, 49737, 49738 DANILENKODE Netherlands 13->36 38 127.0.0.1 unknown unknown 13->38 40 192.168.2.1 unknown unknown 13->40 32 C:\Users\user\AppData\Roaming\...\run.dat, data 13->32 dropped 34 C:\Program Files (x86)\...\dhcpmon.exe, PE32 13->34 dropped 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->56 22 conhost.exe 18->22         started        file8 signatures9 process10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7267a3c9d92f8bb7d87be0415df93365de22b6d78f822b590c7160ad5349e2f1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-26 16:50:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ojt2hsozf6f3pwd34bav36jtmxpcfnwxr6bcwwimofqk2u2j4lyq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
04d5ba1a9911aa253eac5cbce5c3b2368687e1d61c5da4adf12209ef0d427a76
NanoCore
23fb5bf57b70184335261dec8c9bd0976ef8c61d843486ffdc5692aa9618e58e
NanoCore
2a828598f4c66e85305d93ce56bad4c27b7bd6a446eb9b9cec27d961b2591b95
NanoCore
68f8acac4c0dfc81929e6ed2b67a306c5dab1606c377be8b5d6f35d8fc50dad0
NanoCore
6eb10ca3e8026756f417b8e04510f768c28175817c73be8f21514dfb186d687f
NanoCore
719604b516f11740266b2c7a8a61129f779caf4c1f9e16bac35d39f5792a009b
NanoCore
832782af8ac7a682f48d5a00f549a5474d6b2524386c8826eae41982db8597c3
NanoCore
b8e2713744ae4bf75f6f051a88fd7cd88aa5a9d0e5707932b44a5fb47dd73057
NanoCore
e58365faedd335953c8f41dc5d7e9056c6db3924628dcf977ad7e556410d558a
NanoCore
f94fdbaf430c51b2d97e75c378a7e6cf66fbbe6984cc9348b9369a435fdaa2b1
NanoCore
+ 1'978 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/210326-ajjd63kgaa/
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:
emmydan.ddns.net:8989
127.0.0.1:8989
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/5ea5b226-694b-4440-a2b2-c751ec3f718b/
SH256 hash:
7267a3c9d92f8bb7d87be0415df93365de22b6d78f822b590c7160ad5349e2f1
MD5 hash:
0e06f9e2cc0321845079df647d84cae0
SHA1 hash:
af7ae11c70c80f075ad54b020164a4ef2c3e0c1e
Link:
https://www.unpac.me/results/5ea5b226-694b-4440-a2b2-c751ec3f718b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/7267a3c9d92f8bb7d87be0415df93365de22b6d78f822b590c7160ad5349e2f1

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/127123/

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