MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc15ab19130fccdae7dee477e0ae6d711fe3492cbac1b7e5d472eae4902f9516. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: fc15ab19130fccdae7dee477e0ae6d711fe3492cbac1b7e5d472eae4902f9516
SHA3-384 hash: c1d40260d06c38606384353c79a20031a40ebb16d2eca0dbcf98c364d186e8b9bf10a0700b9ab355095101b1ce0a6e33
SHA1 hash: 0a4de6946dca7444da62b7794bcb59e553108f0c
MD5 hash: 7f99d249840dc2c5009b4771f887336e
humanhash: fruit-wisconsin-pizza-mountain
File name:PROOF OF PAYMENT.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:24'576 bytes
First seen:2022-09-06 11:44:27 UTC
Last seen:2022-09-06 12:51:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:JwkCN7n8OIo3A12++XCCvcXEMA+7QEh2Fobm22:5CNz8OBnMA8R2
TLSH T1FEB2F7255B3C03A6D1C90FB7DE2717974A7F0E7E367E5E09EED08C7865066D34A80A88
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f8d8d0f0c0d0c0c0 (11 x AveMariaRAT, 10 x AgentTesla, 9 x Formbook)
Reporter madjack_red
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
360
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
PROOF_OF_PAYMENT.exe
Verdict:
Malicious activity
Analysis date:
2022-09-06 01:03:48 UTC
Tags:
rat nanocore formbook trojan stealer
Link:
https://app.any.run/tasks/5694e68a-40bb-4e87-a3d0-320e57dbfcdd

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/308175/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.459.20534.27026.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/631732fdb00f73916cbefd47/reports/0e8e27b9-9ab8-4091-95e5-90413179b955/overview
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:
Unknown
Link:
https://analyze.intezer.com/analyses/d50e867d-5268-46bc-8602-1decef5a1096
Result
Threat name:
Nanocore, AsyncRAT, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065609
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Detected Nanocore Rat
Encrypted powershell cmdline option found
Executable has a suspicious name (potential lure to open the executable)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected FormBook
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 698135 Sample: PROOF OF PAYMENT.exe Startdate: 06/09/2022 Architecture: WINDOWS Score: 100 56 www.hjsq.asia 2->56 58 amechi.duckdns.org 2->58 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 Multi AV Scanner detection for dropped file 2->88 90 17 other signatures 2->90 11 PROOF OF PAYMENT.exe 16 7 2->11         started        signatures3 process4 dnsIp5 62 api.telegram.org 149.154.167.220, 443, 49722 TELEGRAMRU United Kingdom 11->62 64 www.uplooder.net 144.76.120.25, 443, 49710, 49724 HETZNER-ASDE Germany 11->64 48 C:\Users\user\AppData\Roaming\game.exe, PE32 11->48 dropped 50 C:\Users\...\Bjlavuqqxsfvuyykucvpptdbin.exe, PE32 11->50 dropped 52 C:\Users\user\...\game.exe:Zone.Identifier, ASCII 11->52 dropped 54 C:\Users\user\...\PROOF OF PAYMENT.exe.log, ASCII 11->54 dropped 94 Encrypted powershell cmdline option found 11->94 96 Injects a PE file into a foreign processes 11->96 16 Bjlavuqqxsfvuyykucvpptdbin.exe 11->16         started        19 PROOF OF PAYMENT.exe 1 9 11->19         started        23 powershell.exe 18 11->23         started        file6 signatures7 process8 dnsIp9 74 Antivirus detection for dropped file 16->74 76 Multi AV Scanner detection for dropped file 16->76 78 Machine Learning detection for dropped file 16->78 80 Maps a DLL or memory area into another process 16->80 25 explorer.exe 5 16->25 injected 60 amechi.duckdns.org 194.5.98.222, 4190, 49723, 49725 DANILENKODE Netherlands 19->60 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, data 19->44 dropped 46 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->46 dropped 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->82 27 conhost.exe 23->27         started        file10 signatures11 process12 process13 29 game.exe 14 3 25->29         started        33 dhcpmon.exe 25->33         started        35 game.exe 25->35         started        dnsIp14 66 192.168.2.1 unknown unknown 29->66 68 www.uplooder.net 29->68 98 Multi AV Scanner detection for dropped file 29->98 100 Machine Learning detection for dropped file 29->100 102 Encrypted powershell cmdline option found 29->102 37 powershell.exe 29->37         started        70 www.uplooder.net 33->70 72 www.uplooder.net 35->72 signatures15 process16 signatures17 92 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 37->92 40 conhost.exe 37->40         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc15ab19130fccdae7dee477e0ae6d711fe3492cbac1b7e5d472eae4902f9516/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-05 16:39:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7qk2wgitb7gnvz664r36bltnoep6gsjmxla3pzouolvojebpsula._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220906-nwqfaahedl/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
amechi.duckdns.org:4190
Unpacked files
SH256 hash:
fc15ab19130fccdae7dee477e0ae6d711fe3492cbac1b7e5d472eae4902f9516
MD5 hash:
7f99d249840dc2c5009b4771f887336e
SHA1 hash:
0a4de6946dca7444da62b7794bcb59e553108f0c
Link:
https://www.unpac.me/results/a589da2f-abf0-45a2-9f35-910f045e7028/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fc15ab19130f/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/fc15ab19130fccdae7dee477e0ae6d711fe3492cbac1b7e5d472eae4902f9516

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Cape
Cape
https://www.capesandbox.com/analysis/308175/

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