MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca
SHA3-384 hash: ce3ca0a7ddd747f59e48b1bb7d0d33d61bba1310dc9385d6a1525708bad0213a112b5baa96521f8445478f003f2f27a6
SHA1 hash: 13514c9823bd694101d6015fab442270a4e0835d
MD5 hash: fac4f1de3703db8445321e638e036398
humanhash: snake-alpha-july-alabama
File name:fac4f1de3703db8445321e638e036398.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:785'408 bytes
First seen:2022-08-11 15:53:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:hvpc++uzJKakIi0L5Ma+n6JOsXIwBZWUGeoM2TgN/0s:dpSuzAnInXJZbLWUf6gi
TLSH T1C4F4BFEF6E8C041FCD618B71E94C81B99F69ACA13522CDEF79937836D53029CA61DE10
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)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
572
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
fac4f1de3703db8445321e638e036398.exe
Verdict:
Malicious activity
Analysis date:
2022-08-11 15:57:01 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/ba6f4c90-606a-4b34-b3c8-d0079f95a63a

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/298043/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.15720.20987.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f5265ee4e65a67c49f2d49/reports/dbb613b2-4eec-4c8d-ab10-00205f69122b/overview
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1c9eeaa-760c-445b-b1c7-93a7a19e25e3
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050154
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
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
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 682665 Sample: r2tLi7cLXE.exe Startdate: 11/08/2022 Architecture: WINDOWS Score: 100 48 louinc928.gotdns.ch 2->48 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 13 other signatures 2->58 9 r2tLi7cLXE.exe 3 2->9         started        13 dhcpmon.exe 3 2->13         started        15 r2tLi7cLXE.exe 2 2->15         started        17 dhcpmon.exe 2 2->17         started        signatures3 process4 file5 46 C:\Users\user\AppData\...\r2tLi7cLXE.exe.log, ASCII 9->46 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 9->62 64 Injects a PE file into a foreign processes 9->64 19 r2tLi7cLXE.exe 1 16 9->19         started        24 dhcpmon.exe 13->24         started        26 r2tLi7cLXE.exe 2 15->26         started        28 dhcpmon.exe 17->28         started        signatures6 process7 dnsIp8 50 louinc928.gotdns.ch 208.67.105.178, 1492, 49717, 49719 GRAYSON-COLLIN-COMMUNICATIONSUS United States 19->50 38 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->38 dropped 40 C:\Users\user\AppData\Roaming\...\run.dat, data 19->40 dropped 42 C:\Users\user\AppData\Local\...\tmpFFB4.tmp, XML 19->42 dropped 44 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->44 dropped 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->60 30 schtasks.exe 1 19->30         started        32 schtasks.exe 1 19->32         started        file9 signatures10 process11 process12 34 conhost.exe 30->34         started        36 conhost.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-08-11 15:54:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
10 of 39 (25.64%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=57c6haebgiadc4efqxkc4ndm2yeaw6yl7diw6wds6l56iv6dydfa._file
Verdict:
malicious
Label(s):
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/220811-tb7rqabdh4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
louinc928.gotdns.ch:1492
127.0.0.1:1492
Unpacked files
SH256 hash:
e43c7b84c60d3c374c04b34c563188482d3f134214e9aa704d07c71775a4744b
MD5 hash:
dab7c627c741deac860fb46603928b40
SHA1 hash:
e16d766490f07965bba9ec9961a4fc8a76ab3e01
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/b5ff0138-262d-4607-adf6-55f2d22e4513/
Parent samples :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 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/b5ff0138-262d-4607-adf6-55f2d22e4513/
SH256 hash:
375506ae0b09121d1cc560d13c898efd51181fb0f6d44f0e4d6b8755e745e34f
MD5 hash:
66366baa481d72fd16e48291c78b1b79
SHA1 hash:
74dc0bb177f4a7a5a7518dfe82bbeb33ac5c82fc
Link:
https://www.unpac.me/results/b5ff0138-262d-4607-adf6-55f2d22e4513/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/b5ff0138-262d-4607-adf6-55f2d22e4513/
SH256 hash:
35b749adb4f844790a0017e7e499e097e66bfcd30c186e7bb698306fca6b6838
MD5 hash:
27883d05868fa192a12824492740b564
SHA1 hash:
0c0b2ba06fca141549b4fb5485e1905868d2ec83
Link:
https://www.unpac.me/results/b5ff0138-262d-4607-adf6-55f2d22e4513/
SH256 hash:
efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca
MD5 hash:
fac4f1de3703db8445321e638e036398
SHA1 hash:
13514c9823bd694101d6015fab442270a4e0835d
Link:
https://www.unpac.me/results/b5ff0138-262d-4607-adf6-55f2d22e4513/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efc5e3808132/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/efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca

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
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.

Web download

NanoCore

Executable exe efc5e38081320031708585d42e346cd6080b7b0bf8d16f5872f2fbe457c3c0ca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2260834/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/298043/

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