MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 879ff8af101103d2387bbef6143dc2b4e233c7436d19e116c5fd78e132cfd05d. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 879ff8af101103d2387bbef6143dc2b4e233c7436d19e116c5fd78e132cfd05d
SHA3-384 hash: 99aaf9d1c5dac2cdece71ae9f58c0ad5b600c01f3580cf1eb6ea87518f6a5682f4e120964f9d42b3c60be0d6e177c53a
SHA1 hash: 04d8a40c7fb0c06d9bcac5e842012cebb63915cd
MD5 hash: f7e56c64c8141e2b7b9d02c4a6971c59
humanhash: november-glucose-summer-speaker
File name:PURCHASE ORDER NO. DFT-000184.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:174'592 bytes
First seen:2022-03-28 13:22:27 UTC
Last seen:2022-03-31 06:46:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:P8m4b84z+uQM4ZjMoSSjYlR/1hFVeGJdNETT4k4g6tGocA04sQm6eS2KWVAkaneS:PSb841b/1/Ve9afe3ElGVBB4
Threatray 1'341 similar samples on MalwareBazaar
TLSH T1F8042002657CA8C3F69C6C73A8DC975E1EE06C6C4676106DF247B6E9E53F103E6212E2
File icon (PE):PE icon
dhash icon 74fcd4c2c4c4c0d4 (4 x Formbook, 3 x NanoCore, 2 x AgentTesla)
Reporter GovCERT_CH
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
7
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/258642/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GMM.genEldorado.18625.17445.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Creating a file in the %temp% directory
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/6241b6b71f204239484263e6/reports/13223054-3135-4e3b-9168-68d42df9bd21/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/f21c636f-a5c3-49aa-b97b-80ccce4e291a
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965867
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Nanocore Rat
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Sigma detected: NanoCore
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 598351 Sample: PURCHASE ORDER NO. DFT-000184.exe Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 43 henzy.ddns.net 2->43 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 15 other signatures 2->59 9 PURCHASE ORDER NO. DFT-000184.exe 15 7 2->9         started        14 MSBuild.exe 2 2->14         started        signatures3 process4 dnsIp5 45 www.ocpi.com.my 9->45 47 ocpi.com.my 220.158.200.104, 443, 49760 GIGABIT-MYGigabitHostingSdnBhdMY Malaysia 9->47 35 C:\Users\user\AppData\...\jkirurfnfjfmfmf.exe, PE32 9->35 dropped 37 C:\...\jkirurfnfjfmfmf.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\...\PURCHASE ORDER NO. DFT-000184.exe.log, ASCII 9->39 dropped 61 Creates an undocumented autostart registry key 9->61 63 Writes to foreign memory regions 9->63 65 Injects a PE file into a foreign processes 9->65 16 MSBuild.exe 8 9->16         started        21 cmd.exe 1 9->21         started        23 conhost.exe 14->23         started        file6 signatures7 process8 dnsIp9 41 henzy.ddns.net 23.105.131.186, 2828, 49778, 49779 LEASEWEB-USA-NYC-11US United States 16->41 31 C:\Users\user\AppData\Roaming\...\run.dat, data 16->31 dropped 33 C:\Users\user\AppData\Local\...\tmp52AF.tmp, XML 16->33 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 16->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->51 25 schtasks.exe 1 16->25         started        27 conhost.exe 21->27         started        file10 signatures11 process12 process13 29 conhost.exe 25->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/879ff8af101103d2387bbef6143dc2b4e233c7436d19e116c5fd78e132cfd05d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-28 13:47:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
47
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6p7rlyqceb5eod3x33bipocwtrdhr2dnum6cfwf7v4ocmwp2boq._file
Verdict:
malicious
Similar samples:
279b0de566cfa70c9f15ff2499b62a12d47d627eaa7912c719f57443e8eadd49
NanoCore
38be14c79750f9ed159b5727b78c22c2510b18635c1893cb842749140d4bd299
NanoCore
4259c9dfcdac32e6edae7a69bfda89d02b388e38ca5006a66935dd898b9d3fe8
NanoCore
7779169da530f116334075286fc3cc44bff652d6031b48f4a2e4f63f35c349cd
NanoCore
8ee1f1aadc88631658d57011bf6832643c222fc38b3ec137d9f4a72f4cc27259
NanoCore
aeab503c3cd3b3d5206ba0ae473f62901a5e0a2f5ac342317b575d625d8061cc
NanoCore
c2af46184ff730426a4867787fd7fb15737a3144f999b18d7b2fe0c67c0927a7
NanoCore
+ 1'331 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220328-qmr9maacg4/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
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:
henzy.ddns.net:2828
Unpacked files
SH256 hash:
879ff8af101103d2387bbef6143dc2b4e233c7436d19e116c5fd78e132cfd05d
MD5 hash:
f7e56c64c8141e2b7b9d02c4a6971c59
SHA1 hash:
04d8a40c7fb0c06d9bcac5e842012cebb63915cd
Link:
https://www.unpac.me/results/84c50c05-42d5-4eef-8e90-02321f97ebb6/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/879ff8af1011/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/879ff8af101103d2387bbef6143dc2b4e233c7436d19e116c5fd78e132cfd05d

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.

Malspam

NanoCore

Executable exe 879ff8af101103d2387bbef6143dc2b4e233c7436d19e116c5fd78e132cfd05d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258642/

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