MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e
SHA3-384 hash: 214fba6a4c5744943d9fb2dfab3d94f500df34994352ca35154f6847de02d3b46ddd832fc597bf36520e6e4367cac102
SHA1 hash: e576f0391ef4e144d0011e900e3c17b129b44db3
MD5 hash: 1636b18851fedda62fc549bc5889ef19
humanhash: red-september-hotel-aspen
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:733'184 bytes
First seen:2023-09-19 16:22:21 UTC
Last seen:2023-09-25 08:12:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:skntufJw1Uy/jz4LnVuQn3+MeMUpQyqiO9ANtmAEhUlTL4O1vXMiN2lfJ:HUBwZH4Jh3pgKHmNtDeGTVMlB
Threatray 1'267 similar samples on MalwareBazaar
TLSH T159F4012377E9951BE1BF42B911B550616732B95933A1CACC2C8064CE0AB27D38BC7F67
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c4b2d4d4d4d4b2c4 (15 x AgentTesla, 4 x Formbook, 2 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
267
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SOA.exe
Verdict:
Malicious activity
Analysis date:
2023-09-19 17:16:53 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/b43d58e9-4d1e-4a60-aff4-6ec1d5fc3317

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/449745/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2369.3414.28363.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6509cae733582f234efc475a/reports/df96269c-48b4-453e-adfe-6e8107d284c8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e
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:
Malicious
Link:
https://analyze.intezer.com/analyses/9faa9be8-e6b4-487f-8714-357adf0604e6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1310943
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1310943 Sample: SOA.exe Startdate: 19/09/2023 Architecture: WINDOWS Score: 100 60 Found malware configuration 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 7 other signatures 2->66 7 SOA.exe 7 2->7         started        11 eIWzwSVsJmDT.exe 5 2->11         started        13 qXYojnj.exe 2->13         started        15 qXYojnj.exe 2->15         started        process3 file4 48 C:\Users\user\AppData\...\eIWzwSVsJmDT.exe, PE32 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp5328.tmp, XML 7->50 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 7->80 82 Writes to foreign memory regions 7->82 84 Adds a directory exclusion to Windows Defender 7->84 86 Injects a PE file into a foreign processes 7->86 17 RegSvcs.exe 17 4 7->17         started        22 powershell.exe 20 7->22         started        24 powershell.exe 21 7->24         started        26 schtasks.exe 1 7->26         started        88 Antivirus detection for dropped file 11->88 90 Multi AV Scanner detection for dropped file 11->90 92 Machine Learning detection for dropped file 11->92 28 RegSvcs.exe 11->28         started        30 schtasks.exe 11->30         started        32 RegSvcs.exe 11->32         started        34 conhost.exe 13->34         started        36 conhost.exe 15->36         started        signatures5 process6 dnsIp7 52 api4.ipify.org 104.237.62.212, 443, 49708, 49710 WEBNXUS United States 17->52 54 host2069.hostmonster.com 67.20.113.17, 49709, 49711, 587 UNIFIEDLAYER-AS-1US United States 17->54 56 api.ipify.org 17->56 46 C:\Users\user\AppData\Roaming\...\qXYojnj.exe, PE32 17->46 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->70 72 May check the online IP address of the machine 17->72 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        58 api.ipify.org 28->58 74 Tries to steal Mail credentials (via file / registry access) 28->74 76 Tries to harvest and steal browser information (history, passwords, etc) 28->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->78 44 conhost.exe 30->44         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 08:31:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
18 of 23 (78.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwbvhf2qucly3xke5caltaysdbv3jszdmy2sagzatrtxapujt2ha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
06d9cbc6fc7ceb53c082f82a67c0b1cd4219fec013d52aec2cfd27cf64e5695e
AgentTesla
1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e
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277000b3f6718f6e2d5d368734092eb7eaa460bdf93de94de9b3873cafef4ae6
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64fb4d60d406e9ae82475b516d012d600b4487e8209b959e9ebc3c62121dfa80
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78102b887c7ecb520ae761e502e0a2e20184d3b081f2d99e6ecdbc31d163322f
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a787e3b32663d3b07dfa01f487ab5b0b94dcc8d28ff7a819b30275dd04b269b5
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becf6b9764ef6665d04082b9f4879b9bb1fef8976d752411778b7d83fae74057
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c2ffffcbaebeccc58fc7c3a056c1c9bdbeeded848084e1100cec9d28e8b717e7
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e477f1e27f4484425cc8317e0a0abbbf81fcbd4944714abbf702b6d27c811ea6
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e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6
AgentTesla
+ 1'257 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/230919-tvsrxace38/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
4a8d70ece798fb6955e46bdb4b4813924a3bbcf205e585fd0aef148123a44489
MD5 hash:
3bcd5e9d69da03ebe27b9c2e472d9e8d
SHA1 hash:
aa268bd00ed60a5907b4b2a669ddd21a1b8bb4da
Link:
https://www.unpac.me/results/b783a2d1-a3cd-487a-a171-9b887e36ad42/
SH256 hash:
59f17dd7a3958d07d2c273cb6db2e2cbedea74b1a72e105ae31c01e4bea41e69
MD5 hash:
9cbf3dbfab3530ef02c4291c56efaf2d
SHA1 hash:
18d51e8ac4174484d409f0bb8b4bbd5b932845b0
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/b783a2d1-a3cd-487a-a171-9b887e36ad42/
Parent samples :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 hash:
46c9c5971204f9722cc3a5285b77b98cf6156d6ba464423441d2070c17d4a896
MD5 hash:
d4db7fbdde23ff806d0ba51974d6f21f
SHA1 hash:
17c9246ef73eac18bd75e20ba78f1066489c3ada
Link:
https://www.unpac.me/results/b783a2d1-a3cd-487a-a171-9b887e36ad42/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/b783a2d1-a3cd-487a-a171-9b887e36ad42/
SH256 hash:
1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e
MD5 hash:
1636b18851fedda62fc549bc5889ef19
SHA1 hash:
e576f0391ef4e144d0011e900e3c17b129b44db3
Link:
https://www.unpac.me/results/b783a2d1-a3cd-487a-a171-9b887e36ad42/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1583539750a0/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/1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e

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:NET
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

File information

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

Malspam

AgentTesla

rar cb8994b3961d8007cb410289ee2e686168c1ac8baf10b861e445923c5df1e410

AgentTesla

Executable exe 1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/449745/
  
Dropped by
SHA256 cb8994b3961d8007cb410289ee2e686168c1ac8baf10b861e445923c5df1e410
  
Dropped by
MD5 9f80bbe66476971a9d8bf96c01d771e8

Comments