MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68
SHA3-384 hash: 3b91442daedf8992c6763bcf0ec7847303e21d16fbb89d494cbaea24196c50b63e16dc8b3a0fe3e3681c17da48ec3331
SHA1 hash: 6d02f70b499a76f1e6a2a9193f9d0fdcffd302fd
MD5 hash: 0e17350f6f9e83a61bb447b9defbf29b
humanhash: autumn-jig-blossom-twelve
File name:DN.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:829'440 bytes
First seen:2023-10-10 06:33:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:efs1LJ1na1c5/agauSe0EyxAs3pTyr5rt3XXXXX3XXXXXXX3F33XXXXX3XXXXXXX:e0/1na25ray0ES6r
Threatray 94 similar samples on MalwareBazaar
TLSH T1DE056B8927AC4110CCD48AB0AD2F6C0B423D7D9BAB9DB7261F71AF758D79964FB80503
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 a282b28a82c26ab2 (4 x AgentTesla)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
DN.exe
Verdict:
Malicious activity
Analysis date:
2023-10-10 07:23:48 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/cd39d44e-b301-4b87-836f-dc97c1789a32

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/452785/
Detection(s):
SecuriteInfo.com.Trojan.Siggen21.37872.4005.18515.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin
Link:
https://www.filescan.io/uploads/6524f0609b16696e9f988286/reports/ac5a5850-5999-44eb-9564-90501c78c486/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68
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:
Unknown
Link:
https://analyze.intezer.com/analyses/53a13c6d-5cbc-4924-a096-bb7a10c2e549
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1322594
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1322594 Sample: DN.exe Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 40 webmail.ultra.aqfoam.com 2->40 42 api4.ipify.org 2->42 44 api.ipify.org 2->44 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 9 other signatures 2->56 8 DN.exe 7 2->8         started        12 NngaUfkZZOLud.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...36ngaUfkZZOLud.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpAF48.tmp, XML 8->38 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 64 Injects a PE file into a foreign processes 8->64 14 DN.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 20 8->20         started        26 3 other processes 8->26 66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 22 NngaUfkZZOLud.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 46 webmail.ultra.aqfoam.com 103.6.198.192, 49708, 49710, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 14->46 48 api4.ipify.org 173.231.16.77, 443, 49707, 49709 WEBNXUS United States 14->48 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-09 04:36:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsex7mvxiueaj2qyj534ozq3dl4maiwcstlj6et6rqpoi7zxzjua._file
Verdict:
malicious
Similar samples:
18a48731b148e59ecffa75b392d72963d1a7e386201e9745eb1f06169cd37d00
AgentTesla
5b5bbec5426595d0b6691f19add610017e667d14445e6d374c9c7e51ff1826cb
AgentTesla
78091d62251b24e840b99cf80f6f9f68a1725a1b2cc3a11aee84847e59b38ff6
AgentTesla
7ac35bc9a690df912117ceda080f1792321ae1f448680835ed034ec0108396a1
AgentTesla
7e5e3c49e0bcb2e16b86e870f591feca75b0d7007ed5851ecdfb70fa3d06976c
AgentTesla
bd728300ab85708c5027ba39c24c74affb4ffe160fb275e2cc1dc35c14c6e2da
AgentTesla
d0475c384cd4d7b6ea2c3460a07c49fd59aafe87841e479d7965c3384ccec67d
AgentTesla
dea0f4b762f8be8c3f654867cf7832e0ebaeda1c4ebcae17f5841743d3dc217f
AgentTesla
eff0a14165d70f613fe5c71186dd7bd9cd6c69e409811167a7c97a97debc572f
AgentTesla
+ 84 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/231010-hbr6gsdf58/
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
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
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:
deb4d0acc6c0db25de069a1b0c8deaf9a742aa842383d99b62950bb053770f2c
MD5 hash:
40794f36c4060a678f967b7105c1727e
SHA1 hash:
f48facd3906bbeb47cbb79aa92e1e8d34fc2699c
Link:
https://www.unpac.me/results/01877950-7ba8-4a14-8c7f-eea5acce0267/
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/01877950-7ba8-4a14-8c7f-eea5acce0267/
SH256 hash:
0a562c1f9c2fb6ed50f92a1b18827175c8233ef31da92a3070fc38cc5147f3b6
MD5 hash:
7004e7499403c71e8b066d0cfc371241
SHA1 hash:
eaed80e45b90b7876e13e47516f3cf2cd7184fa2
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/01877950-7ba8-4a14-8c7f-eea5acce0267/
Parent samples :
ab1144d8fcde912bc3e50f59f24eeb6fc6fb37cb5c20f194e41075e1baadb261
dafe0df547619cf487f3f4e3a0ef2fb26bddb5e70a69086aa74b52ce9f6fe519
eaa66b68fa6bac50239987cbdddad7ccae1924c807bf1fa528d11ebdb51f3929
9f9dd91a9d7373e39a8e7adc7e7ff1adba045e4590798eaf47f2a701e8036331
e146c10d13f2ed30acbf8733bf5b3ae1e75572fd917d8b6749b69c54676e9923
b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68
b93fab56242eb11d31992191aa2a57f93c8f9b77d1041b4c97e830f2b4ff5045
0eb8bbeb7db95d53ff488d6177e646ad9d461e96d5cca5115e332d08352f4b15
SH256 hash:
7a49f373d65715c23a6394f7670c27341adc254a24a7cdc0bbfcd30045e8ba95
MD5 hash:
54d2392c39350e222513ddf104a4d9c4
SHA1 hash:
ab1eabb8f5e915b179d4142d4b65b049c007bb3f
Link:
https://www.unpac.me/results/01877950-7ba8-4a14-8c7f-eea5acce0267/
SH256 hash:
b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68
MD5 hash:
0e17350f6f9e83a61bb447b9defbf29b
SHA1 hash:
6d02f70b499a76f1e6a2a9193f9d0fdcffd302fd
Link:
https://www.unpac.me/results/01877950-7ba8-4a14-8c7f-eea5acce0267/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4897fb2b745/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/b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68

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:NETexecutableMicrosoft
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

Executable exe b4897fb2b7450804ea184f77c7661b1af8c022c294d69f127e8c1ee47f37ca68

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/452785/

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