MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abf1733bc49c4c7a81fb6782921fa509c8c9e6543206602be3a3b293fde27eac. 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 2 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: abf1733bc49c4c7a81fb6782921fa509c8c9e6543206602be3a3b293fde27eac
SHA3-384 hash: eddd91374479ae0ca032aa06b052c80a806573cf5104de3b21278ebe4a1e34cc1b4d6f461f1f8b4062248477581084b2
SHA1 hash: 39e0c86059fbba623e78ac0a84290e5f1084f7f2
MD5 hash: 00739c71ea93a45d872d1f96ccdc8265
humanhash: london-sad-social-paris
File name:MT601108921.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:175'616 bytes
First seen:2022-05-24 19:03:17 UTC
Last seen:2022-05-24 19:57:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:9otVUTlHpn6vh+/NtVwLK9sFpk+7Y/K6GDDDDDDDD/b3bnbZbZbZxdxdxdxdJbOb:9zevI/NtV9Opko6LMdxFY0x0eK4
Threatray 17'366 similar samples on MalwareBazaar
TLSH T1AF042D889D5CC61CEE29FAB10933D170CE2AFFCABA4C9985E084FBD6397512146DD835
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 b9dc8cccdeded9b8 (12 x AgentTesla, 7 x Formbook, 7 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
74.201.28.111:141

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
74.201.28.111:141 https://threatfox.abuse.ch/ioc/630791/
http://74.201.28.111/b0ss/inc/ada185df82b054.php https://threatfox.abuse.ch/ioc/630792/

Intelligence

File Origin
# of uploads :
2
# of downloads :
333
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
test.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 19:08:28 UTC
Tags:
agenttesla opendir
Link:
https://app.any.run/tasks/fbdf56e3-db93-40ac-a09a-9bdab97c883b

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/274250/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/628d2c3e3ec49f83a6c82014/reports/a28dc296-ab72-418b-885f-818101de73e6/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:
AZORult
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9b04bdb0-949c-451d-a081-84fc92888a7a
Result
Threat name:
Nanocore, AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001120
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Detected Nanocore Rat
Document exploit detected (process start blacklist hit)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects files into Windows application
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: NanoCore
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 633613 Sample: MT601108921.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 8 other signatures 2->78 8 MT601108921.exe 16 8 2->8         started        13 excel.exe 2->13         started        15 Rookyw.exe 14 3 2->15         started        17 2 other processes 2->17 process3 dnsIp4 70 3.70.157.79, 49736, 49769, 49776 AMAZON-02US United States 8->70 62 C:\Users\user\AppData\Roaming\...\Rookyw.exe, PE32 8->62 dropped 64 C:\Users\...\Qdtopqfndaijfctqgbogobiikm.exe, PE32 8->64 dropped 66 C:\Users\user\AppData\...\MT601108921.exe.log, ASCII 8->66 dropped 98 Creates multiple autostart registry keys 8->98 100 Writes to foreign memory regions 8->100 102 Allocates memory in foreign processes 8->102 104 Injects a PE file into a foreign processes 8->104 19 InstallUtil.exe 8->19         started        24 Qdtopqfndaijfctqgbogobiikm.exe 14 4 8->24         started        26 cmd.exe 1 8->26         started        106 Document exploit detected (process start blacklist hit) 13->106 108 Injects files into Windows application 13->108 28 conhost.exe 13->28         started        110 Multi AV Scanner detection for dropped file 15->110 30 cmd.exe 1 15->30         started        32 cmd.exe 17->32         started        34 conhost.exe 17->34         started        file5 signatures6 process7 dnsIp8 68 74.201.28.111, 141, 49788, 49789 DEDIPATH-LLCUS United States 19->68 58 C:\Users\user\AppData\Roaming\...\excel.exe, PE32 19->58 dropped 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->80 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->82 84 Tries to steal Mail credentials (via file / registry access) 19->84 94 5 other signatures 19->94 86 Multi AV Scanner detection for dropped file 24->86 88 Writes to foreign memory regions 24->88 90 Allocates memory in foreign processes 24->90 92 Injects a PE file into a foreign processes 24->92 36 InstallUtil.exe 24->36         started        40 cmd.exe 1 24->40         started        42 conhost.exe 26->42         started        44 timeout.exe 1 26->44         started        46 conhost.exe 30->46         started        48 timeout.exe 30->48         started        50 conhost.exe 32->50         started        52 timeout.exe 32->52         started        file9 signatures10 process11 file12 60 C:\Users\user\AppData\Roaming\...\run.dat, data 36->60 dropped 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 36->96 54 conhost.exe 40->54         started        56 timeout.exe 1 40->56         started        signatures13 process14
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/abf1733bc49c4c7a81fb6782921fa509c8c9e6543206602be3a3b293fde27eac/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 19:04:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vpyxgo6etrghvap3m6bjeh5fbhemtzsugidgak7duozjh7pcp2wa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
12debb5b625d08f6bc4dd6160435cfde52a33c11dccd4b10fa07c225aba9565b
NanoCore
2aa8f6347e3d331950c557528790162d59d5607fadbb111e1cefad5a34ba6cd9
NanoCore
5d0676bfa91a4d8b232853490351f6b16afc582cbd181d0343b1d08dd97e0c2f
NanoCore
8ca3f4499657a95a6c6f445e001990aebd334888a315367344270c14bab1f0b0
NanoCore
91c7b4d4562824503e151f7cc5eddcc5df9a767f2857ca9579a6c9ad6e496ae0
NanoCore
b64081fc4a7dc5e73ab017b1f0453c27d5e6040134dd269bc01de45cad3713b7
NanoCore
b789ea800e24253ead1c150643aa729e7b7d5253bf6319aa4321680c615b8ec2
NanoCore
+ 17'356 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:nanocore collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220524-xqxf3saacr/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
AgentTesla
NanoCore
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://74.201.28.111/b0ss/inc/ada185df82b054.php
74.201.28.111:141
Unpacked files
SH256 hash:
abf1733bc49c4c7a81fb6782921fa509c8c9e6543206602be3a3b293fde27eac
MD5 hash:
00739c71ea93a45d872d1f96ccdc8265
SHA1 hash:
39e0c86059fbba623e78ac0a84290e5f1084f7f2
Link:
https://www.unpac.me/results/94d172dd-4e59-4408-bee6-3bd005ee2473/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/abf1733bc49c/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/abf1733bc49c4c7a81fb6782921fa509c8c9e6543206602be3a3b293fde27eac

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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/274250/

Comments