MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fa98fb7befad2118fa8ec2574957b24b514e117190ee93a258cbb8d7c91b194. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 3fa98fb7befad2118fa8ec2574957b24b514e117190ee93a258cbb8d7c91b194
SHA3-384 hash: fcaa7dbd554f5423a3da93184fb891ef54fe911edfd8f2fde32c77fc8e7fd658af19aa923dd2790a136806661e2ce57b
SHA1 hash: e5778662d69a106b665c01c18e08567df336e953
MD5 hash: e737217a1c2ae99d5fbd09247f68fa94
humanhash: cold-friend-moon-grey
File name:RFQ_quotation 00091 2021_Nov 22.xlsx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:547'840 bytes
First seen:2021-11-22 10:19:42 UTC
Last seen:2021-11-22 11:35:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:ys+tD00+dBhDRBUADD6FaYtCH/guIUaT6SV:ys+C0+i1FaYtCH/dITTFV
Threatray 12'894 similar samples on MalwareBazaar
TLSH T166C4F05022646386D82D4FB9CC7D85843B3171D82A14D7DD9DFBE38E2E72B036712AA7
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_quotation 00091 2021_Nov 22.xlsx.exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 10:23:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/651516c3-5a1a-4c71-bfe9-23028823c33f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1107.27717.9890.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619b6ed5dd04e7d00e020a8b/reports/4b277f0a-3e10-4831-be34-2b689307797c/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:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c9b0bd5-ac77-4f13-ae15-6d2da35f3905
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893718
Signature
.NET source code contains very large array initializations
Changes security center settings (notifications, updates, antivirus, firewall)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Moves itself to temp directory
Multi AV Scanner detection for dropped 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 526196 Sample: RFQ_quotation 00091 2021_No... Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Yara detected AgentTesla 2->46 48 9 other signatures 2->48 7 RFQ_quotation 00091 2021_Nov 22.xlsx.exe 3 2->7         started        10 svchost.exe.exe 3 2->10         started        12 svchost.exe 2->12         started        14 9 other processes 2->14 process3 dnsIp4 58 Injects a PE file into a foreign processes 7->58 17 RFQ_quotation 00091 2021_Nov 22.xlsx.exe 2 5 7->17         started        60 Multi AV Scanner detection for dropped file 10->60 62 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->66 22 svchost.exe.exe 2 10->22         started        24 svchost.exe.exe 10->24         started        68 Changes security center settings (notifications, updates, antivirus, firewall) 12->68 26 MpCmdRun.exe 12->26         started        38 127.0.0.1 unknown unknown 14->38 40 192.168.2.1 unknown unknown 14->40 signatures5 process6 dnsIp7 34 maxiprofix.com 95.217.127.135, 49841, 587 HETZNER-ASDE Germany 17->34 36 mail.maxiprofix.com 17->36 30 C:\Users\user\AppData\...\svchost.exe.exe, PE32 17->30 dropped 32 C:\Users\...\svchost.exe.exe:Zone.Identifier, ASCII 17->32 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->50 52 Moves itself to temp directory 17->52 54 Tries to steal Mail credentials (via file / registry access) 17->54 56 3 other signatures 17->56 28 conhost.exe 26->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3fa98fb7befad2118fa8ec2574957b24b514e117190ee93a258cbb8d7c91b194/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-22 10:29:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
10 of 45 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6uy7n567ljbdd5i5qsxjfl3es2rjyixdehosorfrs5y27erwgka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
45a94c022c5a3528accc736d685c467a95a9fd6aef4c26f8f52ee47f5b66cc0e
AgentTesla
4e5add107e83a073bd97b795409f41a1e0d1b26b8ebecae38f2e1f805a8cdde6
AgentTesla
7cbf232730bcc3bb4b28f41ef0922d188c9be5f1a63691c0b09ba3e23ef20582
AgentTesla
9a9f7ea8a021b5c4e7984076bfe6f0ab42bddb7b50fa18ef0da17c12e8ef95e1
AgentTesla
abda73763ad36ac411097107443056d1df717f139c8bc7492aec3d6ef33a3242
AgentTesla
b2708f388708fd87b4b362bc00be90494d27daa7cbd4624907501b2553473ff4
AgentTesla
ff97bd0b382bcd07b0e71fd6249426a1d1246c52b07edd238eaa64136db737df
AgentTesla
+ 12'884 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211122-mc4m5afccl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
542e06c24958d66d8995b9552555baff05e76494554e1a6067f7d178a471abce
MD5 hash:
72932f6a245036fa4076bfcee9630be1
SHA1 hash:
d77f0abaaf5d962270864d4e2bdc229676cb179f
Link:
https://www.unpac.me/results/bf56ebc8-be15-46e9-85b3-0eb7e3cdc01c/
SH256 hash:
58207abcf413ecd69a3bfd3dd2f78f5857c2e3d5e4a1636c21b718f9f56ede13
MD5 hash:
52965ce83e5aeb299dd18bfb40c76dd1
SHA1 hash:
1981d517ad74d585268720f4ba6b46645ca94e32
Link:
https://www.unpac.me/results/bf56ebc8-be15-46e9-85b3-0eb7e3cdc01c/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/bf56ebc8-be15-46e9-85b3-0eb7e3cdc01c/
SH256 hash:
3fa98fb7befad2118fa8ec2574957b24b514e117190ee93a258cbb8d7c91b194
MD5 hash:
e737217a1c2ae99d5fbd09247f68fa94
SHA1 hash:
e5778662d69a106b665c01c18e08567df336e953
Link:
https://www.unpac.me/results/bf56ebc8-be15-46e9-85b3-0eb7e3cdc01c/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3fa98fb7befa/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/3fa98fb7befad2118fa8ec2574957b24b514e117190ee93a258cbb8d7c91b194

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:pe_imphash
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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/208088/

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