MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a
SHA3-384 hash: 2acd8638d8c1a10b70c3136bc512b2f687329359d1dfcd3002b621dacc80cb981082da85ea7c92cc05b81ca15c6e2689
SHA1 hash: cead2a4251ce5648b78eb0d4e0b01afd26f0d264
MD5 hash: 2e338d17a10c5c6c6bde9fb903af70e2
humanhash: undress-network-edward-six
File name:Overdue payment.jar.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:528'384 bytes
First seen:2022-04-24 23:18:02 UTC
Last seen:2022-05-03 14:37:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:SpaJQUKSa3BpCdCfYgLUGcf6p4lpWzLOG7t:EASZBErgLUGcipWvG
Threatray 16'200 similar samples on MalwareBazaar
TLSH T166B48CD1364D9AD3CE269E360BDF8E7113A319225225F7375B837BF63202A1BD523280
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/266201/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.5187.5981.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/6265dafe2f162d9fdf62e074/reports/b23c0228-3007-493e-b048-fa0d056a7068/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/66a93cfd-643e-48fe-b90d-034a2955782c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982145
Signature
.NET source code contains very large array initializations
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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 Add Scheduled Task From User AppData Temp
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 614632 Sample: Overdue payment.jar.exe Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 13 other signatures 2->70 7 tbKkO.exe 4 2->7         started        10 Overdue payment.jar.exe 6 2->10         started        13 tbKkO.exe 3 2->13         started        process3 file4 72 Multi AV Scanner detection for dropped file 7->72 74 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 80 2 other signatures 7->80 15 tbKkO.exe 7->15         started        19 schtasks.exe 1 7->19         started        21 tbKkO.exe 7->21         started        23 tbKkO.exe 7->23         started        40 C:\Users\user\AppData\Roaming\gXiVnNlK.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp3FA6.tmp, XML 10->42 dropped 44 C:\Users\user\...\Overdue payment.jar.exe.log, ASCII 10->44 dropped 78 Injects a PE file into a foreign processes 10->78 25 Overdue payment.jar.exe 2 11 10->25         started        28 schtasks.exe 1 10->28         started        signatures5 process6 dnsIp7 52 Tries to harvest and steal ftp login credentials 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54 30 conhost.exe 19->30         started        46 mail.ppecindia.com 50.87.154.175, 49746, 49754, 49755 UNIFIEDLAYER-AS-1US United States 25->46 48 x1.i.lencr.org 25->48 50 windowsupdatebg.s.llnwi.net 25->50 34 C:\Users\user\AppData\Roaming\...\tbKkO.exe, PE32 25->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 25->36 dropped 38 C:\Users\user\...\tbKkO.exe:Zone.Identifier, ASCII 25->38 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->56 58 Tries to steal Mail credentials (via file / registry access) 25->58 60 Modifies the hosts file 25->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->62 32 conhost.exe 28->32         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-24 19:48:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tehtmy44iq7mgysdep32eo56jmb5ubvo36ptkptfyjlv4nryajva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
13d869e013219ccfad6e8c9d85148eda9172a4b3feb85dcecd706c52d7c6ffa5
AgentTesla
2062091ea3279a8954439ab8e4ea0433b5ba01247554bd02943958645cc6275c
AgentTesla
78440c8aaf49191ba9a5a13987c467f7f0dd192e500661543f0590eea20f1773
AgentTesla
8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
AgentTesla
951877e7f94ebbc24d3c4e495234ecbc6ea88f8cd05567ace4e9345cdac0b76e
AgentTesla
b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb
AgentTesla
f5cf5e1d41419e2e2283e3548eb60ea029fa7d24344f3af4536ba8b2363dafda
AgentTesla
+ 16'190 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/220424-3aav2aabc5/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
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
Maps connected drives based on registry
Checks BIOS information in registry
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
Drops file in Drivers directory
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
418cb1bd9e8eba804322d2c9d847d07b49d24819431c507322459584d17c512e
MD5 hash:
997efaa1a9d3739da977967d8a375e28
SHA1 hash:
803121b5fcdd93a8a9eca854ae360b0e86b7321b
Detections:
win_cannon_auto
Create hunting rule
Link:
https://www.unpac.me/results/adba8a44-b80d-48e3-a8c2-7e3d386945a4/
Parent samples :
2062091ea3279a8954439ab8e4ea0433b5ba01247554bd02943958645cc6275c
324e982071890f25fabb40a498576a58b21e1072340d7acc5f9017505808fdb9
8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a
4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9
b55b9c8e7d6999d57626d1f33e0ebacd1744043007a990626cb92612858a6da0
bc2d32d0d8974109233b41eec39a46cc8316c219ab17735d7a01f3d862f723d8
SH256 hash:
727b9272c87b13f72096a78fffc436f2670937368f39a88b106dbe5b0f979d3c
MD5 hash:
277ab7cdbeaa47143bab51226114776a
SHA1 hash:
70defa355210bcb7b4a8f3654ffd73908312489c
Link:
https://www.unpac.me/results/adba8a44-b80d-48e3-a8c2-7e3d386945a4/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/adba8a44-b80d-48e3-a8c2-7e3d386945a4/
SH256 hash:
990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a
MD5 hash:
2e338d17a10c5c6c6bde9fb903af70e2
SHA1 hash:
cead2a4251ce5648b78eb0d4e0b01afd26f0d264
Link:
https://www.unpac.me/results/adba8a44-b80d-48e3-a8c2-7e3d386945a4/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/990f36639c44/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/990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a

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:dridex_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pdb2
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_cannon_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

AgentTesla

Executable exe 990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/266201/

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