MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b320cdcd15331e662f378903444dac92fb1f331083f1872ca4454cc0f8ad0db. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b320cdcd15331e662f378903444dac92fb1f331083f1872ca4454cc0f8ad0db
SHA3-384 hash: c687467502aada51e85bff91e152712d8149ccb0b8194209293471e32b1deafc6186718bd328d06aaf511ae023ab2d57
SHA1 hash: 677713764eeb829e58aada5b9361e07b8fa0c6a9
MD5 hash: 6467462fb36a84a23dd64622c6a3e881
humanhash: eighteen-bravo-alabama-neptune
File name:SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.192.28982
Download: download sample
Signature AgentTesla
Create hunting rule
File size:278'535 bytes
First seen:2023-05-04 02:37:02 UTC
Last seen:2023-05-13 22:57:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6nLtB2taYNqtFOaoZv5Nr1g8wHDNj/OD8x52Gpk24B2V:/YdT06Kaot1g7Nb28aEDEo
Threatray 566 similar samples on MalwareBazaar
TLSH T1C44413043068C4E3DDB34A306A3D0AB799F9FA22256DAB5B0B204F4E7F72A515C1E753
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
10
# of downloads :
297
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.192.28982
Verdict:
Malicious activity
Analysis date:
2023-05-04 02:39:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ee16a7e7-c02f-4330-a956-83bab10095b3

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/386353/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.192.28982.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/82374/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/64531a5492903068e34f8268/reports/a931700e-d04e-4585-b5c3-ca36f4f82720/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8b320cdcd15331e662f378903444dac92fb1f331083f1872ca4454cc0f8ad0db
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/91b8dcda-93fc-4292-aeb9-08bde5b95221
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1225763
Signature
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 858726 Sample: SecuriteInfo.com.Trojan.NSI... Startdate: 04/05/2023 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected AgentTesla 2->48 50 2 other signatures 2->50 6 bwgc.exe 19 2->6         started        10 SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.192.28982.exe 1 21 2->10         started        12 bwgc.exe 19 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\...\hgamt.dll, PE32 6->22 dropped 52 Multi AV Scanner detection for dropped file 6->52 54 Detected unpacking (changes PE section rights) 6->54 56 Detected unpacking (creates a PE file in dynamic memory) 6->56 68 2 other signatures 6->68 14 bwgc.exe 14 2 6->14         started        24 C:\Users\user\AppData\Roaming\...\bwgc.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\hgamt.dll, PE32 10->26 dropped 58 Detected unpacking (overwrites its own PE header) 10->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->60 62 May check the online IP address of the machine 10->62 64 Creates multiple autostart registry keys 10->64 18 SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.192.28982.exe 17 3 10->18         started        28 C:\Users\user\AppData\Local\...\hgamt.dll, PE32 12->28 dropped 66 Maps a DLL or memory area into another process 12->66 20 bwgc.exe 2 12->20         started        signatures5 process6 dnsIp7 30 192.168.2.1 unknown unknown 14->30 32 api.ipify.org 14->32 34 api4.ipify.org 64.185.227.155, 443, 49682, 49686 WEBNXUS United States 18->34 36 smtp.gmail.com 108.177.126.108, 25, 49683, 49687 GOOGLEUS United States 18->36 38 api.ipify.org 18->38 70 Creates multiple autostart registry keys 18->70 40 104.237.62.211, 443, 49688 WEBNXUS United States 20->40 42 api.ipify.org 20->42 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->72 74 Tries to steal Mail credentials (via file / registry access) 20->74 76 Tries to harvest and steal browser information (history, passwords, etc) 20->76 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b320cdcd15331e662f378903444dac92fb1f331083f1872ca4454cc0f8ad0db/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-04 00:38:55 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 35 (62.86%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rmzazxgrkmy6myxtpcidirg2zex3d4zrba7rq4wkirkmyd4k2dnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
057aab2a096d3eb60389b2a679c5e328da91507d6bf3cf018152f36829bffe54
AgentTesla
05bec361a7f7ce8bb453225e15f0911068f103c51eee5e553f783955f65ed54c
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19b2a3829ed8eb3ff4a36bd542c114c3b28b23c64dfa4560db86e4f902d7f7a2
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25f79d0c4a4ed6b6e706b6cc4df77a0af567127215b001c331f66899cf38f363
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2e5c6d2c1e1eac4e565f8d71544b7d54c7b1834555edf51254ea70c9a23a28f2
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35b2e419aac0f4b99c12bc54c7e80f095184accbbc528833e881cf5e834c58e4
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846691ccd7702dfd6f178c0c85afc082a38a539ead46d78749941ea499743f6c
AgentTesla
d50074d48914764b355b89e387636cfbc2d5f5daf17b8afee1490c176afccfbf
AgentTesla
+ 556 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230504-c37glahf54/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
c931b1825c3a09f15cb4b2357b7a90ec3b13a19252f8520819ddd9b325387894
MD5 hash:
d2cd6dae38d93539821d4c6e8d2afbf3
SHA1 hash:
1ffc3d1846c42367f3f9b0ba498ee192489e0bd9
Link:
https://www.unpac.me/results/42d36a67-bb8e-4bd2-8e6c-03175b8c5406/
SH256 hash:
8b320cdcd15331e662f378903444dac92fb1f331083f1872ca4454cc0f8ad0db
MD5 hash:
6467462fb36a84a23dd64622c6a3e881
SHA1 hash:
677713764eeb829e58aada5b9361e07b8fa0c6a9
Link:
https://www.unpac.me/results/42d36a67-bb8e-4bd2-8e6c-03175b8c5406/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8b320cdcd153/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8b320cdcd15331e662f378903444dac92fb1f331083f1872ca4454cc0f8ad0db

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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

AgentTesla

zip 6eb58c6ae53d7d73190006a9320d508a491d503e27a947a4bc7ace03fa926d0b

AgentTesla

Executable exe 8b320cdcd15331e662f378903444dac92fb1f331083f1872ca4454cc0f8ad0db

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/386353/
  
Dropped by
SHA256 6eb58c6ae53d7d73190006a9320d508a491d503e27a947a4bc7ace03fa926d0b
  
Dropped by
MD5 ebb4e9e07c341717dd05adb2d66c8861
  
Dropped by
SHA256 b29b0b98f8b09103b37e18e283e9c7b341848a4b136c6d2816260f2cecff512a
  
Dropped by
MD5 4c926d3c4b35b5b7646261fbcef59ccb

Comments