MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c76040096507663998ffccafca9a00a19258e24d56513e7fe5817f786592ae51. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c76040096507663998ffccafca9a00a19258e24d56513e7fe5817f786592ae51
SHA3-384 hash: faab4106f183a8a9c1346f591f3e86189a6e922c20a04af1e91a915703adf57c24268afd067879a766954ff908cbf323
SHA1 hash: 631b101d8ca17948865e85bac322abbd59006433
MD5 hash: c948dab97df226045e7c8671f4425b59
humanhash: stairway-william-cat-johnny
File name:c948dab97df226045e7c8671f4425b59
Download: download sample
Signature AgentTesla
Create hunting rule
File size:8'192 bytes
First seen:2023-02-20 16:58:28 UTC
Last seen:2023-02-20 18:29:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:DLOC6lh+7L44+w2JdA4DUg5EXZ0ysHT2ncLGkWb28cAKcO9LzNt:DLOnlhk4/DDUgy5sxLrWb28cAs9N
Threatray 91 similar samples on MalwareBazaar
TLSH T113F1D600F7DC4A76DDE20B36EDF742908F74E76048668B7FA8C46217AC0529927637B4
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 3ce29cf2e4f4e0e0 (4 x AgentTesla, 1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
Cif Inquiry Oakland.xls
Verdict:
Malicious activity
Analysis date:
2023-02-20 16:12:24 UTC
Tags:
opendir exploit cve-2017-11882 loader trojan smoke stealer rat agenttesla
Link:
https://app.any.run/tasks/c3f06f60-fe8d-4897-857a-4753f1330603

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/368495/
Detection(s):
SecuriteInfo.com.Variant.Ser.MSILHeracles.1482.10984.3098.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
DNS request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
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:
packed
Link:
https://www.filescan.io/uploads/63f3a6d942bf85850e3e4fd2/reports/0496d681-dbb9-44da-9318-da5869bfe9e3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c76040096507663998ffccafca9a00a19258e24d56513e7fe5817f786592ae51
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:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1227735a-4053-43e2-baf8-1f5c76176fb7
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1179367
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 812193 Sample: 0182iV48UK.exe Startdate: 20/02/2023 Architecture: WINDOWS Score: 100 108 Multi AV Scanner detection for domain / URL 2->108 110 Malicious sample detected (through community Yara rule) 2->110 112 Antivirus detection for URL or domain 2->112 114 7 other signatures 2->114 10 0182iV48UK.exe 16 7 2->10         started        15 wuegeuv 2->15         started        process3 dnsIp4 80 192.3.27.140, 49689, 49700, 49701 AS-COLOCROSSINGUS United States 10->80 68 C:\Users\user\AppData\Roaming\...\Dnegsjq.exe, PE32 10->68 dropped 70 C:\Users\user\...\Dnegsjq.exe:Zone.Identifier, ASCII 10->70 dropped 72 C:\Users\user\AppData\...\0182iV48UK.exe.log, ASCII 10->72 dropped 132 Encrypted powershell cmdline option found 10->132 134 Injects a PE file into a foreign processes 10->134 17 0182iV48UK.exe 10->17         started        20 powershell.exe 16 10->20         started        82 192.168.2.1 unknown unknown 15->82 136 Multi AV Scanner detection for dropped file 15->136 138 Machine Learning detection for dropped file 15->138 22 powershell.exe 15->22         started        file5 signatures6 process7 signatures8 84 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 17->84 86 Maps a DLL or memory area into another process 17->86 88 Checks if the current machine is a virtual machine (disk enumeration) 17->88 90 Creates a thread in another existing process (thread injection) 17->90 24 explorer.exe 7 7 17->24 injected 29 conhost.exe 20->29         started        31 conhost.exe 22->31         started        process9 dnsIp10 76 alpatrik.com 45.81.39.147, 49704, 49705, 49706 LVLT-10753US United States 24->76 78 cletonmy.com 172.105.103.207, 80 LINODE-APLinodeLLCUS United States 24->78 62 C:\Users\user\AppData\Roaming\wuegeuv, PE32 24->62 dropped 64 C:\Users\user\AppData\Local\Temp\ACBE.exe, PE32 24->64 dropped 66 C:\Users\user\...\wuegeuv:Zone.Identifier, ASCII 24->66 dropped 116 System process connects to network (likely due to code injection or exploit) 24->116 118 Benign windows process drops PE files 24->118 120 Injects code into the Windows Explorer (explorer.exe) 24->120 122 3 other signatures 24->122 33 Dnegsjq.exe 14 4 24->33         started        36 Dnegsjq.exe 3 24->36         started        38 explorer.exe 24->38         started        41 6 other processes 24->41 file11 signatures12 process13 dnsIp14 92 Multi AV Scanner detection for dropped file 33->92 94 Machine Learning detection for dropped file 33->94 96 Encrypted powershell cmdline option found 33->96 43 Dnegsjq.exe 33->43         started        46 powershell.exe 13 33->46         started        48 Dnegsjq.exe 33->48         started        98 Injects a PE file into a foreign processes 36->98 50 Dnegsjq.exe 36->50         started        52 powershell.exe 36->52         started        74 alpatrik.com 38->74 100 System process connects to network (likely due to code injection or exploit) 38->100 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 38->102 104 Tries to steal Mail credentials (via file / registry access) 38->104 106 Tries to harvest and steal browser information (history, passwords, etc) 38->106 54 powershell.exe 41->54         started        signatures15 process16 signatures17 124 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 43->124 126 Maps a DLL or memory area into another process 43->126 128 Checks if the current machine is a virtual machine (disk enumeration) 43->128 56 conhost.exe 46->56         started        130 Creates a thread in another existing process (thread injection) 50->130 58 conhost.exe 52->58         started        60 conhost.exe 54->60         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c76040096507663998ffccafca9a00a19258e24d56513e7fe5817f786592ae51/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-20 08:15:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
16 of 39 (41.03%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y5qeaclfa5tdtgh7zsx4vgqaugjfrysnkzit477fqf7xqzmsvziq._file
Verdict:
malicious
Similar samples:
009b4de6d61871ef45ca8a91d5918d6940a9ad8470bc9b746d398033c3b9557a
AgentTesla
4e94b723292987a2ee01a5e4ee5721a5ef99c8c3c416c94146804b5385c0f3a4
AgentTesla
94dcd9eb97aa7ef0957f20728ef38d1b95c9fc6f16c1467c752e019046ea882b
AgentTesla
9acf49fd90998f2c03ff3cf8721974ce1325fffbe367f5d8e495f653d4a07781
AgentTesla
a81f478a99eaf2884fc897843f4b5910f9ae1faf65d01465218fdac4492fa432
AgentTesla
b5d3b92d36198035df9370027e3e1e269f9757c4006a1b4eda2dd5575caa4d24
AgentTesla
d0a4e0e3ed54a45113962e05be0fecc8143c3484fbcbb3c890d8ea41f7586e36
AgentTesla
d4d68aae0611fb7905294b5bcb68b607d9c7064791cfa615f17c7ee779be038c
AgentTesla
+ 81 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:smokeloader backdoor collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230220-vhdmwsbf77/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
c76040096507663998ffccafca9a00a19258e24d56513e7fe5817f786592ae51
MD5 hash:
c948dab97df226045e7c8671f4425b59
SHA1 hash:
631b101d8ca17948865e85bac322abbd59006433
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/000725e4-19a3-4fd1-8fec-7f3606e00a72/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c76040096507/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/c76040096507663998ffccafca9a00a19258e24d56513e7fe5817f786592ae51

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:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
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

AgentTesla

Executable exe c76040096507663998ffccafca9a00a19258e24d56513e7fe5817f786592ae51

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2545958/
Cape
Cape
https://www.capesandbox.com/analysis/368495/

Comments


Avatar
zbet commented on 2023-02-20 16:58:33 UTC

url : hxxp://192.3.27.140/8701/vbc.exe