MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31a4046b499a8ee12fc1695fcf05091a1a4072399b972080c3aa37a21b09d1cc. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31a4046b499a8ee12fc1695fcf05091a1a4072399b972080c3aa37a21b09d1cc
SHA3-384 hash: 56ab76bcfc065ac854e94511cd86d80c4af2492d5d6cef30048701b1fe81eace717a87cfefabc61986b41f31112dfea5
SHA1 hash: 8f8ad7117a2ac6cabf67db3e35565f8a6fbba0a4
MD5 hash: 8b1dddce9924f55e43de1c82d92aa242
humanhash: fish-alabama-rugby-whiskey
File name:70.Advance.payment.2020.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:566'784 bytes
First seen:2020-12-03 14:17:50 UTC
Last seen:2020-12-03 16:07:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:4lc+lHLQWhWw/Pu7PNDqQtuFrmFhb/En:aPNLlQw/F8u9whb/A
Threatray 10'926 similar samples on MalwareBazaar
TLSH A8C4027232557AAEEB7A0FB4502021841EB67A27A770E6DCBC85114E6CF77069F40E73
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106603/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.6091.12257.25307.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/554731
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
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 access)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 326459 Sample: 70.Advance.payment.2020.pdf.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 26 g.msn.com 2->26 30 Found malware configuration 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 Sigma detected: Scheduled temp file as task from temp location 2->34 36 11 other signatures 2->36 8 70.Advance.payment.2020.pdf.exe 6 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\XqyZKCsFkp.exe, PE32 8->20 dropped 22 C:\Users\user\AppData\Local\...\tmp5601.tmp, XML 8->22 dropped 24 C:\...\70.Advance.payment.2020.pdf.exe.log, ASCII 8->24 dropped 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->40 42 Injects a PE file into a foreign processes 8->42 12 70.Advance.payment.2020.pdf.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 28 web2.changeip.com 67.21.94.4, 49728, 587 ST-BGPUS United States 12->28 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->44 46 Tries to steal Mail credentials (via file access) 12->46 48 Tries to harvest and steal ftp login credentials 12->48 50 2 other signatures 12->50 18 conhost.exe 16->18         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31a4046b499a8ee12fc1695fcf05091a1a4072399b972080c3aa37a21b09d1cc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-03 05:34:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ggsai22jtkhocl6bnfp46bijdinea4rztolsbagdvi32egyj2hga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
09b7bf15736eeb15efdae06322e1aa1e8f960d3264aa380ab0ba05a348aadca6
AgentTesla
48dbb9769963fc42a27ec8bb81ee77b2abbb798fca044b108336728a333bed6f
AgentTesla
55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15
AgentTesla
623d707cab5c5dc378a5100018e29f88949f4ea4be4b34cc2fc36e1612b68100
AgentTesla
72072c06a5fe2aa1ebf6d2d0b8882c1e11565bed693b2cff1be63a228b26886b
AgentTesla
7e3c713dd63b4620a6fe5c7c848726eca5e01918b7977561ec00f7d8f8f31cd8
AgentTesla
9b21045796c15c4348f79483c825882c491de047a0ca577e0eb6ba770c60e9f6
AgentTesla
ac4bc198b74ee90e9ae296353856fe12fc688a42bdeb2b8b9b4f6c2923cd668a
AgentTesla
ca53f102bf9e8f981185b455d539f43bc62475496726786d7c6b7c9f7c2c8782
AgentTesla
fd1fe7db423103d1067ccf7dec534ad9025025106238e3bbe1b45a52995b4294
AgentTesla
+ 10'916 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201203-8f7wbv4k8n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
31a4046b499a8ee12fc1695fcf05091a1a4072399b972080c3aa37a21b09d1cc
MD5 hash:
8b1dddce9924f55e43de1c82d92aa242
SHA1 hash:
8f8ad7117a2ac6cabf67db3e35565f8a6fbba0a4
Link:
https://www.unpac.me/results/69417ccb-d974-419e-bd77-6062807d9ec0/
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
Link:
https://www.unpac.me/results/69417ccb-d974-419e-bd77-6062807d9ec0/
SH256 hash:
05808e4a1c1367988705235cfed4cd5cf0c22b64113e26df03b716d8bd8e274b
MD5 hash:
15545220d1297037e3823b0ba55cfcf6
SHA1 hash:
494ecd37b43c512517e2b9cf433f4e94da6a448e
Link:
https://www.unpac.me/results/69417ccb-d974-419e-bd77-6062807d9ec0/
SH256 hash:
4964d3663d0d5be42b7f7526d53c141feee943240b25dfb7d3c939337c9a4768
MD5 hash:
55ccacfb5df7ff9e35d34f7d5e874095
SHA1 hash:
7803565a5c0867998fc26d8392d41d75304d9870
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/69417ccb-d974-419e-bd77-6062807d9ec0/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/31a4046b499a8ee12fc1695fcf05091a1a4072399b972080c3aa37a21b09d1cc

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:AgentTesla_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Create hunting rule
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/106603/

Comments