MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c. 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


AgentTesla


Vendor detections: 17


Intelligence 17 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c
SHA3-384 hash: f32952cf467e4504db69556fd5d46e48f585eef7316cb3d6f571f9e6be70b6f7dd730d1629c4b90c7fa38846053d9a5d
SHA1 hash: 157ac4c0f6292f27ed8c3cdee6b58f34478dc554
MD5 hash: f4ff965c5cf78d452443a749f9ddea5d
humanhash: finch-jersey-mars-london
File name:Summary of DXB,CNE & NE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:649'728 bytes
First seen:2024-03-04 08:54:23 UTC
Last seen:2024-03-04 10:57:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kYGQ4SS5qc8Nuhpn6sTfBcvKXucDopq0PwfQpB2zs8KA6ePqJ1Zv+Ew:RRHc8e6sTfBcv2uc0pq0PwfgAKAkZv+
Threatray 285 similar samples on MalwareBazaar
TLSH T158D4232E6B789F10D07FCBB8973394D142F8A2173691E29E5FCD11C52B6A701A760B27
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
436
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c.exe
Verdict:
Malicious activity
Analysis date:
2024-03-04 08:57:01 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/430eb2d3-b1b6-4a4c-acfb-28adee2de582

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Heur.13000.19670.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65e58c693b77ec6525652c11/reports/ba9370a0-c5d0-4140-9545-50c271c33f60/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/303a14d4-b69b-4927-ac89-51af7d5eb7d1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402387
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402387 Sample: Summary of DXB,CNE & NE.exe Startdate: 04/03/2024 Architecture: WINDOWS Score: 100 42 mail.sdlbd.net 2->42 44 api.ipify.org 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 13 other signatures 2->56 8 Summary of DXB,CNE & NE.exe 7 2->8         started        12 tpyjSj.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\tpyjSj.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpAF5B.tmp, XML 8->40 dropped 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Adds a directory exclusion to Windows Defender 8->62 64 Injects a PE file into a foreign processes 8->64 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 22 8->18         started        20 powershell.exe 7 8->20         started        22 schtasks.exe 1 8->22         started        66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 mail.sdlbd.net 118.179.92.24, 49735, 49737, 587 AMBERIT-BD-ASAmberITLimitedBD Bangladesh 14->46 48 api.ipify.org 104.26.12.205, 443, 49732, 49736 CLOUDFLARENETUS United States 14->48 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->74 76 Tries to steal Mail credentials (via file / registry access) 14->76 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-03-04 07:42:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wdaydihr7woyjjxhdto3fzqkw42fqub4dh55pmjx6rkyyt6qsvwa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0fe29888e7b2862c3571b9e1e70b930d973f8efc516b972bea7811dcc98ec909
AgentTesla
39711f9ed69e976f7d9ef46eb054961108e4bf50cb0d325224cf49cad65c0844
AgentTesla
b006cf4fd03f3e81254956c69cd58dae7f4c583c01002f0aff109a9d8e431fd1
AgentTesla
ce00b5a69092cf4b2a6f8c20e8f3cd5b8d1dfa27d946d9dca29413627a4ddfef
AgentTesla
+ 275 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240304-kvfmxafd75/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
a0fb740d687d226eff4aa41a78aa5441efd4af9505e77e0effb5d26caff84d0d
MD5 hash:
162037d5463b7495709a7defa1401870
SHA1 hash:
fff8f14eec0e72ff60e2e8cfa24d2927f3095075
Link:
https://www.unpac.me/results/05c654c9-14bd-4ae1-992b-f4b8447afa58/
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/05c654c9-14bd-4ae1-992b-f4b8447afa58/
SH256 hash:
6c6113f71833523dededc3e69b8bb462ed5589f58a19e25df663920370a6c2a0
MD5 hash:
819be5d2a9dbbfc53e2cd14d77fd264e
SHA1 hash:
5b44b9a18f2156437d2db3029e8b0ba699bab2cd
Link:
https://www.unpac.me/results/05c654c9-14bd-4ae1-992b-f4b8447afa58/
SH256 hash:
f7fb78f641ae82f92b0f5a4461fa587c68d78af422d5fc2872a48eda1abfdbc2
MD5 hash:
d87a22a05689fa6208514c6eaae391ee
SHA1 hash:
1697c4ffc68278aedb6818735fce0a69f898bd51
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/05c654c9-14bd-4ae1-992b-f4b8447afa58/
Parent samples :
5093ccae45df7361b5afd22d5b5f08df3449a0d07d32c8d346c66a11260c7628
4e6f22754b821f8870cc30809cd60cd3535653072f22356d7958fae2fe48df78
99c0f1545a2b7f7480d4ff714d1874fbaa873ca035e4b85547248cecc2aefea7
b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c
24c9acb63f0609eb55be6942137bad343c21e28c0bdb3a4a415e35c39a4c2ba6
SH256 hash:
b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c
MD5 hash:
f4ff965c5cf78d452443a749f9ddea5d
SHA1 hash:
157ac4c0f6292f27ed8c3cdee6b58f34478dc554
Link:
https://www.unpac.me/results/05c654c9-14bd-4ae1-992b-f4b8447afa58/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b0c181a0f1fd/report/overview.html
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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

zip 8e6e0d7ef1d48753c67fc843ab48c5a461ea5a9a2a78ebda72b80f7469ec22b2

AgentTesla

Executable exe b0c181a0f1fd9d84a6e71cddb2e60ab73458503c19fbd7b137f4558c4fd0956c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8e6e0d7ef1d48753c67fc843ab48c5a461ea5a9a2a78ebda72b80f7469ec22b2
  
Dropped by
MD5 c0b6d7a620db6a0025d10e524c345c2d

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments