MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dc19fdc6a2f27ae650d8868ddf42b3f9f9ce2cd517c74f7ba524656e2a68262. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 8dc19fdc6a2f27ae650d8868ddf42b3f9f9ce2cd517c74f7ba524656e2a68262
SHA3-384 hash: 1254e36ea53a6cf379c3b0b446ab18e908f3ecfba24cba0333feeab969792b4f66dc9118246c00ef3719a338ffe65519
SHA1 hash: b9b712705460c42bd47c0170737e250b0c373197
MD5 hash: e2dd504940ebf06d05a846a369f85d24
humanhash: seventeen-quebec-mango-helium
File name:NEW PURCHASE ORDER AND SPECIFICATION.exe
Download: download sample
Signature NanoCore
File size:755'200 bytes
First seen:2022-07-25 20:32:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v31hn9T4zwmnMg6Z3CbiOBJp71hnVb11UqwWJ84wwcGlkqUphdqMx8:X9T4zwmnM3C3p/nVC4wwcKBUAMx
TLSH T182F4232637594232C4630738F9A2B3951A76F01AA541DF0E3C64370F6F663B17E6771A
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon ecb2d2d2d8ccb4aa (1 x NanoCore)
Reporter notajungman
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
393
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
NEW PURCHASE ORDER AND SPECIFICATION.exe
Verdict:
Malicious activity
Analysis date:
2022-07-25 12:33:29 UTC
Tags:
rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 673176 Sample: NEW PURCHASE ORDER AND SPEC... Startdate: 25/07/2022 Architecture: WINDOWS Score: 100 35 uyeco.pw 2->35 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 16 other signatures 2->47 8 NEW PURCHASE ORDER AND SPECIFICATION.exe 7 2->8         started        signatures3 process4 file5 25 C:\Users\user\AppData\Roaming\tmDJyCIKI.exe, PE32 8->25 dropped 27 C:\Users\...\tmDJyCIKI.exe:Zone.Identifier, ASCII 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmp73D4.tmp, XML 8->29 dropped 31 NEW PURCHASE ORDER...ECIFICATION.exe.log, ASCII 8->31 dropped 49 Writes to foreign memory regions 8->49 51 Adds a directory exclusion to Windows Defender 8->51 53 Injects a PE file into a foreign processes 8->53 12 RegSvcs.exe 6 8->12         started        17 powershell.exe 25 8->17         started        19 schtasks.exe 1 8->19         started        signatures6 process7 dnsIp8 37 uyeco.pw 45.74.18.47, 59066 HVC-ASUS United States 12->37 39 127.0.0.1 unknown unknown 12->39 33 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 12->33 dropped 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->55 21 conhost.exe 17->21         started        23 conhost.exe 19->23         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-24 22:50:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
28 of 40 (70.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
uyeco.pw:59066
127.0.0.1:59066
Unpacked files
SH256 hash:
ca03f7bb6b1a0541828459880dd8f9b3c681a1f5e9d74a589c94d2145364cdf4
MD5 hash:
f8e728a68f09fd25d2a72bde47684d16
SHA1 hash:
331439d86665cb08506729fb261750bfd2bf782e
Detections:
win_nanocore_w0
SH256 hash:
ee90a199bab99a22fdd7d7657f571e9228950fde071d5565cc82ce5491945320
MD5 hash:
33a3e333c1d1e6bd439818c81fb289e7
SHA1 hash:
2af11c508c0b8e893cefa476d813cbc8d8407744
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
65bb8e73bb5d937973d8c95f5bc3528fa22283d0e90693bbdd3a859b3d6fbebb
MD5 hash:
87fb891b9fc87496bc2710e0f0a5130e
SHA1 hash:
863ad9ec13442213e577be69402fd383d2739fdf
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
SH256 hash:
8dc19fdc6a2f27ae650d8868ddf42b3f9f9ce2cd517c74f7ba524656e2a68262
MD5 hash:
e2dd504940ebf06d05a846a369f85d24
SHA1 hash:
b9b712705460c42bd47c0170737e250b0c373197
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments