MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff83137921b3eeff0d4fb13d18137b9350419d94b84e42f791251dd83af8563a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff83137921b3eeff0d4fb13d18137b9350419d94b84e42f791251dd83af8563a
SHA3-384 hash: 4c1accaccafb0bdd75125689668be3c4eaee0a53b2b0aaace64f38e03984256b1c0c1773ab7917a049af9daf4fd5902c
SHA1 hash: ca3545f6c9a141c5e9427228583f1159156a258e
MD5 hash: bfb82aaa5891e706317c355a2db9a44e
humanhash: muppet-crazy-hawaii-three
File name:bfb82aaa5891e706317c355a2db9a44e.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:623'104 bytes
First seen:2023-07-13 11:48:00 UTC
Last seen:2023-07-14 07:51:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:C7PpgVMJn0mCoufxPvAfuN8yuF82NLGC0ewHxRcU5oXq+3Ut:YH94xsunuF82Ny3Ywq3U
Threatray 5'083 similar samples on MalwareBazaar
TLSH T18FD41229793D9B27D2699BF0115565B093BF98F7B460E3238CCB71DEEA21B004F48A17
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)
Reporter obfusor
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
290
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
bfb82aaa5891e706317c355a2db9a44e.exe
Verdict:
Malicious activity
Analysis date:
2023-07-13 11:51:11 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/1987b328-9a52-4b4c-832c-8a9d3ec1ec1a

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/417349/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2175.27570.27875.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/64afe478057bff26cf236f09/reports/55972b6f-afbf-4424-b742-8db754ba50da/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/ff83137921b3eeff0d4fb13d18137b9350419d94b84e42f791251dd83af8563a
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/b2637cbc-8023-4fa1-a10b-dfe4b14a739c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1272441
Signature
.NET source code contains potential unpacker
Found malware configuration
Machine Learning detection for sample
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
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff83137921b3eeff0d4fb13d18137b9350419d94b84e42f791251dd83af8563a/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-13 10:32:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=76brg6jbwpxp6dkpwe6rqe33sniedhmuxbhef54reuo5qoxyky5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1428623f3d2769a2f63e2e07444e0af8f334cdcc0b8d38faafc06dea97ee322c
AgentTesla
273af1b5521eb9976cce02519b2a6b9036347af59cc2eb63454eacc537cee331
AgentTesla
42032fb2e1a7dcd8e06876f6cb9f0fa51d82806f29ff0253ce2502b862f70981
AgentTesla
750361a8039bd9876939ca3ee37312821f8cd019eabe123ef884b30433757677
AgentTesla
966dd595fc018c22a4b99f77066d8eb60aee0af02504bb7f915457c7b2726157
AgentTesla
999c708503ca5289854b3347f0a9115d596676ba1f41b51b0bf9ff1f12ced04f
AgentTesla
c3d408d3ba7f6ea4acf913b8fd845e98c587fc8a6c67f48ef3542e3895ba7153
AgentTesla
d3c78007c8fa7de455de452208e6c3f487237162369a57f01e6a79b53cb19a9b
AgentTesla
e5b3f5c88055487475981257a3146b756a653845e01c66141d3547192805a8f3
AgentTesla
+ 5'073 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230713-nyfc4ahd8y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
e136bb341e797b383441a560a9d9f6fc3517e520eeac47295f417214c5009488
MD5 hash:
fe38bb4f067cbe5fc3472583e7a8ff9c
SHA1 hash:
afeea490875741cac6f98f536c59c0c52f5de517
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/56f5616b-3de1-4060-ae8b-f8b20ea45c52/
Parent samples :
1428623f3d2769a2f63e2e07444e0af8f334cdcc0b8d38faafc06dea97ee322c
c3d408d3ba7f6ea4acf913b8fd845e98c587fc8a6c67f48ef3542e3895ba7153
273af1b5521eb9976cce02519b2a6b9036347af59cc2eb63454eacc537cee331
d3c78007c8fa7de455de452208e6c3f487237162369a57f01e6a79b53cb19a9b
ff83137921b3eeff0d4fb13d18137b9350419d94b84e42f791251dd83af8563a
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/56f5616b-3de1-4060-ae8b-f8b20ea45c52/
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
Link:
https://www.unpac.me/results/56f5616b-3de1-4060-ae8b-f8b20ea45c52/
SH256 hash:
226b49900cae501c24d8cf2c34cdfeafe354bafab36b0bb55f7197d889beafd4
MD5 hash:
37b856f5dfc8f510017b5ab4a7173400
SHA1 hash:
0292cb41a787e23a210d9d7031b1a74fad66fc53
Link:
https://www.unpac.me/results/56f5616b-3de1-4060-ae8b-f8b20ea45c52/
SH256 hash:
ff83137921b3eeff0d4fb13d18137b9350419d94b84e42f791251dd83af8563a
MD5 hash:
bfb82aaa5891e706317c355a2db9a44e
SHA1 hash:
ca3545f6c9a141c5e9427228583f1159156a258e
Link:
https://www.unpac.me/results/56f5616b-3de1-4060-ae8b-f8b20ea45c52/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ff83137921b3/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: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.

Cape
Cape
https://www.capesandbox.com/analysis/417349/

Comments