MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95a40aa92e46b3061abeef469d4a20f1c84f10b530d0f0c06f87f96d00f75ed7. 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 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 95a40aa92e46b3061abeef469d4a20f1c84f10b530d0f0c06f87f96d00f75ed7
SHA3-384 hash: f7638b4896823c64e1f00a8fc1e46dae8e4cd43aaf3db82ed6f6a682db186e5d2e535434c6813ac8014a7cb5f44854f5
SHA1 hash: e522d25556a8a1d81bd10272f4d8a793ddc5d238
MD5 hash: 9c772e57fff6c8713e2e83534a70f976
humanhash: freddie-asparagus-west-alanine
File name:PO-290321 (Itakrom).pif.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:691'200 bytes
First seen:2021-03-30 10:56:01 UTC
Last seen:2021-03-30 11:55:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:GBnEV9oAO+TXzK/ZRLsAiLWo0ESryM/iHjheVzaw9BVEdVTnPAFODw6mr1ZyIIpG:Co9OR/ZAXSOpDhON/m3PA8Dw6mrnx5
Threatray 103 similar samples on MalwareBazaar
TLSH D4E4A2A870AE405DEEB46634F6B695821FC855321F62FF3F28D667001CA3779FA4E910
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.7:4967

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
79.134.225.7:4967 https://threatfox.abuse.ch/ioc/6026/

Intelligence

File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-290321 (Itakrom).pif.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 10:58:28 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/e0cf2476-50f3-4ec6-be63-3081b3066b1d

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/127963/
Detection(s):
SecuriteInfo.com.Artemis9C772E57FFF6.18422.8686.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/658255
Signature
.NET source code contains potential unpacker
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)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 378056 Sample: PO-290321 (Itakrom).pif.exe Startdate: 30/03/2021 Architecture: WINDOWS Score: 100 47 marstonstyl247.ddns.net 2->47 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 14 other signatures 2->59 8 PO-290321 (Itakrom).pif.exe 7 2->8         started        12 dhcpmon.exe 5 2->12         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\FFvnOcFumJvOl.exe, PE32 8->33 dropped 35 C:\...\FFvnOcFumJvOl.exe:Zone.Identifier, ASCII 8->35 dropped 37 C:\Users\user\AppData\Local\...\tmpC484.tmp, XML 8->37 dropped 39 C:\Users\...\PO-290321 (Itakrom).pif.exe.log, ASCII 8->39 dropped 61 Injects a PE file into a foreign processes 8->61 14 PO-290321 (Itakrom).pif.exe 1 12 8->14         started        19 schtasks.exe 1 8->19         started        21 schtasks.exe 1 12->21         started        23 dhcpmon.exe 2 12->23         started        25 dhcpmon.exe 12->25         started        27 dhcpmon.exe 12->27         started        signatures6 process7 dnsIp8 49 marstonstyl247.ddns.net 79.134.225.7, 4967, 49740, 49745 FINK-TELECOM-SERVICESCH Switzerland 14->49 41 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->41 dropped 43 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 14->43 dropped 45 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 14->45 dropped 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->51 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        file9 signatures10 process11
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/95a40aa92e46b3061abeef469d4a20f1c84f10b530d0f0c06f87f96d00f75ed7/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-30 10:56:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=swsavkjoi2zqmgv655dj2sra6hee6efvgdipbqdpq74w2ahxl3lq._file
Verdict:
unknown
Similar samples:
1df38ad7f7297914ac4345c3572a92bd2a0507baedff37681f35b3bb8fa0d9eb
NanoCore
2ae87737bdf6530806f51a691b52efa8919e48d84a49ee756f356bf4556a38e5
NanoCore
5b7e2aa7fd116ece66c8a64a2a92a1313fc5a2b29fd2f29b295d46938a50e469
NanoCore
786e84224f6784b9abd40ae7ebc9ffeeaf748a3e4d810681aab7d308f786e857
NanoCore
99babfa23df75eea7bb01668a107f483e3a35aefb548649617456d3286566fab
NanoCore
a185be0edc53aacf866542523d9f2627a21cdcbcf79ed0fcfa1314ea30446ec4
NanoCore
f1254986674a920f32381a826cef7caf14532b52d5a4f02a5addbde53550d0b1
NanoCore
f3641123cf921225f75e2f86335df6a1066f751521ab15cfbb5f116b6a98e5e8
NanoCore
f66215f8969f39a42b3227f185e601ab5a866cd23481012353c50693f1ef0b00
NanoCore
fe55bb74fe3d91852786cb75c59c3f3884b866723085595222352bc0b6189f80
NanoCore
+ 93 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/210330-c81fx2z1b2/
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
NanoCore
Malware Config
C2 Extraction:
marstonstyl247.ddns.net:4967
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/bd608b9d-5ebe-489b-9d1a-0503d8d35ae2/
SH256 hash:
95a40aa92e46b3061abeef469d4a20f1c84f10b530d0f0c06f87f96d00f75ed7
MD5 hash:
9c772e57fff6c8713e2e83534a70f976
SHA1 hash:
e522d25556a8a1d81bd10272f4d8a793ddc5d238
Link:
https://www.unpac.me/results/bd608b9d-5ebe-489b-9d1a-0503d8d35ae2/
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/95a40aa92e46b3061abeef469d4a20f1c84f10b530d0f0c06f87f96d00f75ed7

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.

Cape
Cape
https://www.capesandbox.com/analysis/127963/

Comments