MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925. 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: 18


Intelligence 18 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925
SHA3-384 hash: 3e7eb03372ce493d9a3f8af1c03645676500de115a8273c72f7dbe072934d000a34eee2695da8b30d4e6277d05b11e92
SHA1 hash: 20325d4e07ddd04aba0eb6b6e426ab0ca1282420
MD5 hash: 6fc5dfa94c6baaf54e5413b643ae72e6
humanhash: butter-enemy-nineteen-arkansas
File name:Account activation request-List of Dormant ac.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:2'524'160 bytes
First seen:2024-08-04 02:40:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:Riz0986q7CoBef8hyCtHqYo2gYdoAwtkVxCW4LUYCSrQsi7RePq+ombS96QX2wr0:Uz090CyWlDM
Threatray 1'112 similar samples on MalwareBazaar
TLSH T167C59EF4D46908D1E81F8DF0982BBAC24B7133F3C9EA0164271D3584DFABB5A7549A4E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e4f4ccccccd4e8f0 (9 x NanoCore, 2 x RemcosRAT, 1 x zgRAT)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
198.23.201.84:54980

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
198.23.201.84:54980 https://threatfox.abuse.ch/ioc/1306887/

Intelligence

File Origin
# of uploads :
1
# of downloads :
672
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
Account activation request-List of Dormant ac.exe
Verdict:
Malicious activity
Analysis date:
2024-08-04 02:40:50 UTC
Tags:
netreactor nanocore rat remote stealer
Link:
https://app.any.run/tasks/7b2745e7-44da-4965-b1c7-fea592ec4c73

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66aeea42b7a04efc7439c9c3
Tags:
Banker Encryption Execution Network Stealth Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %AppData% directory
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/66af1ea399ea8891b1907a5c/reports/7702e439-1099-4a6a-b9d0-4c1c24001aba/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/50a60784-8022-45a3-91ae-7621c21ad7c3
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1487433
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Creates autostart registry keys with suspicious names
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1487433 Sample: Account activation request-... Startdate: 04/08/2024 Architecture: WINDOWS Score: 100 68 Multi AV Scanner detection for domain / URL 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 12 other signatures 2->74 7 Account activation request-List of Dormant ac.exe 1 5 2->7         started        11 Notepad!.exe 3 2->11         started        13 Notepad!.exe 3 2->13         started        process3 file4 56 C:\Users\user\AppData\Roaming56otepad!.exe, PE32 7->56 dropped 58 C:\Users\...58otepad!.exe:Zone.Identifier, ASCII 7->58 dropped 76 Detected Nanocore Rat 7->76 78 Creates autostart registry keys with suspicious names 7->78 80 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->80 15 InstallUtil.exe 9 7->15         started        20 cmd.exe 1 7->20         started        22 cmd.exe 1 7->22         started        82 Multi AV Scanner detection for dropped file 11->82 84 Writes to foreign memory regions 11->84 86 Allocates memory in foreign processes 11->86 24 InstallUtil.exe 11->24         started        26 InstallUtil.exe 11->26         started        28 cmd.exe 1 11->28         started        30 cmd.exe 11->30         started        88 Injects a PE file into a foreign processes 13->88 32 InstallUtil.exe 13->32         started        34 3 other processes 13->34 signatures5 process6 dnsIp7 60 indialongvenomminister01connection.myddns.rocks 198.23.201.84, 49736, 49737, 49738 AS-COLOCROSSINGUS United States 15->60 54 C:\Users\user\AppData\Roaming\...\run.dat, data 15->54 dropped 62 Detected Nanocore Rat 15->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->64 36 WerFault.exe 15->36         started        66 Uses ipconfig to lookup or modify the Windows network settings 20->66 38 conhost.exe 20->38         started        40 ipconfig.exe 1 20->40         started        42 conhost.exe 22->42         started        44 ipconfig.exe 1 22->44         started        46 conhost.exe 28->46         started        48 ipconfig.exe 1 28->48         started        50 2 other processes 30->50 52 4 other processes 34->52 file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2024-08-04 00:46:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5zkwufm75yoljbqeeywklgvbfeufm7tyki7o2zotc4tqst7qpesq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609
NanoCore
6686076964fe6e1599981d06c4c4ced9040a49332bec22ca86b6047ed5e168b4
NanoCore
6ae6030e6222a1400ce938e2ad2086253f1ff6d9d07b0be35fee6853e87bedc6
NanoCore
7e97e6e6ccae12c62ee828a165fc3c0945026440716621d90abc77a1f7fc5c62
NanoCore
a2966acf8a8e52e6ad8f0830ab83710680365608cba771b334314b9123def291
NanoCore
ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925
NanoCore
+ 1'102 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore discovery keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240804-c6ewraybmd/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
indialongvenomminister01connection.myddns.rocks:54980
127.0.0.1:54980
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/20c88333-53ee-4a86-be66-def05ef7e757
Unpacked files
SH256 hash:
bddde75310d0bd26c10e03fd508991ca144e90596377331a54324f1d1dd17baf
MD5 hash:
4d4da8082346947a474f62ec78fc5f3c
SHA1 hash:
1a96c7f966176724c5dd81839833af0d93f06b1b
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/a1e83a00-43f9-4153-b8fe-c229a65d07e5/
SH256 hash:
ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925
MD5 hash:
6fc5dfa94c6baaf54e5413b643ae72e6
SHA1 hash:
20325d4e07ddd04aba0eb6b6e426ab0ca1282420
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/a1e83a00-43f9-4153-b8fe-c229a65d07e5/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ee556a159fee/report/overview.html
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/ee556a159fee1cb48604262ca59aa12928567e78523eed65d31727094ff07925

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments