MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f59bc5437d0205498a3dd4b45f175f8f9394a5634f3cc3a12c5f8e6f6652153. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0f59bc5437d0205498a3dd4b45f175f8f9394a5634f3cc3a12c5f8e6f6652153
SHA3-384 hash: 5e34146331f00f8f5d8ba5a3699aeff4332fc126388251600fd8e38ec779004c0fff57ae7ad5a3a5ef7d07ee93dee296
SHA1 hash: 847b7d5e221e5c7ebce30c439afc60d2043c06a1
MD5 hash: 9d51ae0004422936fa9aaf3972d8984c
humanhash: crazy-mountain-victor-cola
File name:wa98vR3V8DPbTZw.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'192'448 bytes
First seen:2020-12-17 19:26:17 UTC
Last seen:2020-12-17 20:34:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Omh2k7yCWslmy/jT+D9ZUWvK7NSbwxc6UBDXsGzXHxoC5S0KRtXznr5HadvDxCPu:OxPUc1bDxmHXH561DxCPNAb7f
Threatray 1'877 similar samples on MalwareBazaar
TLSH A345BF203AE9552DF177AF794AE43896D7EEF6337707D80D3891038A0A13E41CE9163A
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
wa98vR3V8DPbTZw.exe
Verdict:
Malicious activity
Analysis date:
2020-12-17 19:28:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/09b4391d-4942-4e9c-a800-70a6ec11c55c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/108389/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tc.23351.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/565694
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
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 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
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 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 signatures2 2 Behavior Graph ID: 331933 Sample: wa98vR3V8DPbTZw.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 26 Multi AV Scanner detection for dropped file 2->26 28 Sigma detected: Scheduled temp file as task from temp location 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 9 other signatures 2->32 7 wa98vR3V8DPbTZw.exe 18 2->7         started        process3 file4 18 C:\Users\user\AppData\...\PDViOrWZIQJ.exe, PE32 7->18 dropped 20 C:\Users\...\PDViOrWZIQJ.exe:Zone.Identifier, ASCII 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmp8499.tmp, XML 7->22 dropped 24 C:\Users\user\...\wa98vR3V8DPbTZw.exe.log, ASCII 7->24 dropped 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->34 36 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->36 38 Injects a PE file into a foreign processes 7->38 40 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 7->40 11 wa98vR3V8DPbTZw.exe 4 7->11         started        14 schtasks.exe 1 7->14         started        signatures5 process6 signatures7 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->42 44 Tries to steal Mail credentials (via file access) 11->44 46 Tries to harvest and steal ftp login credentials 11->46 48 Tries to harvest and steal browser information (history, passwords, etc) 11->48 16 conhost.exe 14->16         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0f59bc5437d0205498a3dd4b45f175f8f9394a5634f3cc3a12c5f8e6f6652153/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 18:16:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=b5m3yvbx2aqfjgfd3vful4lv7d4tssswgtz4yoqsyx4on5tfefjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
1025cff0659cc4d4c31165b0eaf3416b2db44140d15a4aebacfae9cdec547ef9
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20dbea65f9ea5d713ead877a8fdca2bb606af820520ea99fafcef39fc7652ce2
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2ff93944081c104e8175f5209255c50e92d65f8a3e35fbf01c5f6f46237575af
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431c9f8b4b58782d7f9ebeccb1b3a18357667fef8293571cf01aa72f98720df2
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5952cc403a58eab272b199a6f39c35bfadf8feeafbadc1a3d30a68e01e93b7ae
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6609cf9b0aefabaaf1bccc04237e6ff32315960166bf4aa2ff5372cfb51c80d3
AgentTesla
9c7002e97c59c4c190abb09e373a5f1010b4790dbcb714e792538e73820d5609
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bd612f435faf86c9e9e30ea9f3d64375598f83c7f8ae9d9034c0323ea4623029
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d31210043ecc8d5cc867233bbf16173d4a62d912343dd3faacfd7e1cd42cfd9e
AgentTesla
+ 1'867 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/201217-pgynxmc5tx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
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
Unpacked files
SH256 hash:
0f59bc5437d0205498a3dd4b45f175f8f9394a5634f3cc3a12c5f8e6f6652153
MD5 hash:
9d51ae0004422936fa9aaf3972d8984c
SHA1 hash:
847b7d5e221e5c7ebce30c439afc60d2043c06a1
Link:
https://www.unpac.me/results/364504bc-1ddf-4931-ba3d-8284e35c66cf/
SH256 hash:
3d04fdb2dce6aaa9334582d6a05e5bf9a1be86ce0a50e1dd015f59124da21bd0
MD5 hash:
aa9d7ff10de084c2937893cac080e277
SHA1 hash:
269b272503c99eb32cd34c4d79170caf0ff003d7
Link:
https://www.unpac.me/results/364504bc-1ddf-4931-ba3d-8284e35c66cf/
SH256 hash:
bea5f1b38b5257823720c434155137d6cce9c57a78aca569cd30a6dd6acd036f
MD5 hash:
00d09e470dc336c0d44746168a982166
SHA1 hash:
4d14f8e55cca3f31411e08208ea042e916024749
Link:
https://www.unpac.me/results/364504bc-1ddf-4931-ba3d-8284e35c66cf/
SH256 hash:
f9ff9c5e4671ca94114ba59cad309bd4a92ea7d3fad5d652fef5c6d2c9e6e958
MD5 hash:
0fc991a6d01f34e08141b55d78094e2a
SHA1 hash:
7d5e222bfd0705655ef3f0f41a3f45f08e0ac374
Link:
https://www.unpac.me/results/364504bc-1ddf-4931-ba3d-8284e35c66cf/
SH256 hash:
d3a5ec1f6a17a9dd3395cbfe3f65a29bf18442bd7090d1a74a1783edcb3322a5
MD5 hash:
ca6c17e5a36403ce1fe9ffdf555d582a
SHA1 hash:
bc7544e324ef6670dca1fb8483a5d2e43f10b834
Link:
https://www.unpac.me/results/364504bc-1ddf-4931-ba3d-8284e35c66cf/
Please 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/0f59bc5437d0205498a3dd4b45f175f8f9394a5634f3cc3a12c5f8e6f6652153

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

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/108389/

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