MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b88f842bd7b04a850b727f7da8bccc193389bf124111996895ef49564c1e1b4. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
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SHA256 hash: 5b88f842bd7b04a850b727f7da8bccc193389bf124111996895ef49564c1e1b4
SHA3-384 hash: 1a036450d3b91e9d714065a337597850ead5b3ec727d412e4270a528d766d97b998f58e1859905f90035253a50774dfb
SHA1 hash: 0e605eabf298d301f39458190e277c22eba52c84
MD5 hash: 94ea922c4c3c484318e676e03eb1d1d0
humanhash: alaska-johnny-lithium-fish
File name:94ea922c4c3c484318e676e03eb1d1d0.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'340'416 bytes
First seen:2021-09-10 14:26:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1lH82EUkpLKWsrHNPgJ0GGMfrsi4N6zGYCDipNK+TA8lwAD1Vy:1lDEjdpON4vrsi4N6zZCDY/q
Threatray 2'898 similar samples on MalwareBazaar
TLSH T1CA55180223024F86E1B1B67BC29AD42E23F1FDD78741E759AF964DC325932C0DA1D3A9
Reporter abuse_ch
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
513
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
94ea922c4c3c484318e676e03eb1d1d0.exe
Verdict:
Malicious activity
Analysis date:
2021-09-10 14:32:50 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/c7793a97-4b99-4f2a-81ff-12f7d7ec6a84

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/186918/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.AIK.genEldorado.4546.2096.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Creating a file
Creating a process from a recently created file
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee1d23f4-1d46-4de6-9dfd-3470b0bd1911
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848864
Signature
Detected Nanocore Rat
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 481296 Sample: 7l5FWM3R5g.exe Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 54 e-businessloader.mywire.org 2->54 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 3 other signatures 2->72 9 7l5FWM3R5g.exe 15 8 2->9         started        14 sys30.exe 14 3 2->14         started        signatures3 process4 dnsIp5 58 www.google.com 142.250.180.228, 443, 49736, 49744 GOOGLEUS United States 9->58 60 192.168.2.1 unknown unknown 9->60 44 C:\Users\user\AppData\Local\...\sys30.exe, PE32 9->44 dropped 46 C:\Users\user\...\sys30.exe:Zone.Identifier, ASCII 9->46 dropped 48 C:\Users\user\AppData\...\7l5FWM3R5g.exe.log, ASCII 9->48 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->78 16 sys30.exe 5 9->16         started        50 C:\Users\user\AppData\Local\...\sys30.exe.log, ASCII 14->50 dropped file6 signatures7 process8 dnsIp9 52 www.google.com 16->52 40 C:\Users\user\AppData\Local\Temp\sys30.exe, PE32 16->40 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->62 64 Injects a PE file into a foreign processes 16->64 21 sys30.exe 9 16->21         started        26 sys30.exe 16->26         started        28 sys30.exe 16->28         started        30 2 other processes 16->30 file10 signatures11 process12 dnsIp13 56 e-businessloader.mywire.org 194.5.98.103, 49774, 49777, 49779 DANILENKODE Netherlands 21->56 42 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 21->42 dropped 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->74 76 Multi AV Scanner detection for dropped file 26->76 32 sys30.exe 26->32         started        34 sys30.exe 28->34         started        36 sys30.exe 30->36         started        38 sys30.exe 30->38         started        file14 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b88f842bd7b04a850b727f7da8bccc193389bf124111996895ef49564c1e1b4/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-09-10 07:51:01 UTC
AV detection:
11 of 27 (40.74%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0a3a85fd6964b0cf1b61e41cc7c117ada4c8607a0107ad4921dafa69933ef0ac
NanoCore
5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428
NanoCore
69fa6ebff614598a1243cb00bc9a7c69e60fca3c3fd93da4157c418d202f1542
NanoCore
b7ef9f5137720932895dbc0e1231e71451eace1e82f2baac3e208c969ec1e966
NanoCore
d0463fb25850862038c09fd48cd298ead378c6b19c3d1fa64ce6dc6280946bfd
NanoCore
d3635e7428a16515d98ec564145b363802dfa54418ac6221a638651732af4e2b
NanoCore
d6a8535e674dda41d9b294844be9c27b8af80831044d61354f77b50497b28fde
NanoCore
e0f4f23d839ddaa296de5202dfa135990d644a2ab54a9b7f694163f53befff93
NanoCore
+ 2'888 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore agilenet evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210910-rsfcpaaca6/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
e-businessloader.mywire.org:5230
Unpacked files
SH256 hash:
5b88f842bd7b04a850b727f7da8bccc193389bf124111996895ef49564c1e1b4
MD5 hash:
94ea922c4c3c484318e676e03eb1d1d0
SHA1 hash:
0e605eabf298d301f39458190e277c22eba52c84
Link:
https://www.unpac.me/results/674d9432-3665-48db-8478-a074d6aa296d/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5b88f842bd7b/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/5b88f842bd7b04a850b727f7da8bccc193389bf124111996895ef49564c1e1b4

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:pe_imphash
Create hunting rule
Rule name:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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 5b88f842bd7b04a850b727f7da8bccc193389bf124111996895ef49564c1e1b4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1605629/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/186918/

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