MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4. 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: b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4
SHA3-384 hash: 055f921b5f52a99dddce8feafea0a777d155b67126c47237e777ebdc4ec81f8a8be9f79b1f6ba66e9aa7d271c8edbfb8
SHA1 hash: 4a70143ca027583595bad5a25ab3b6d513cacf90
MD5 hash: 1e4880288a84083c85d30691404d3135
humanhash: leopard-seven-tennessee-autumn
File name:00098765_INV.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:882'688 bytes
First seen:2021-03-03 07:37:50 UTC
Last seen:2021-03-03 09:38:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:MuolpFtj67VHH8n6pkKMHteq7Ggjbng/rKyUYCPqv0Gh6pSAGxcBdTo:VDJHFCKMHtem5vnscYCidkkcBdTo
TLSH 2D156BE4216D512FD033F9B97A80945CC7E466113E0BEB5AE68069CF89D2E31DF81DA3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: rim-tele.com
Sending IP: 188.128.84.2
From: Engr. Wong Yong Ming <suman.das@pernod-ricard.com>
Subject: RE: PAYMENT SWIFT COPY FOR = USD 80,950.25
Attachment: 00098765_INV.r00 (contains "00098765_INV.exe")

AgentTesla SMTP exfil server:
smtp.rulkeroil.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
00098765_INV.exe
Verdict:
Malicious activity
Analysis date:
2021-03-03 07:41:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/638d4a7a-82ed-4ae9-bea1-18203618ef52

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/121271/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.16391.6261.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/625665
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 361820 Sample: 00098765_INV.exe Startdate: 03/03/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 9 other signatures 2->51 7 00098765_INV.exe 6 2->7         started        11 kprUEGC.exe 2 2->11         started        13 kprUEGC.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\...\qBKigKnxcemWJ.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\Temp\tmp7C2.tmp, XML 7->29 dropped 31 C:\Users\user\...\00098765_INV.exe.log, ASCII 7->31 dropped 53 Writes to foreign memory regions 7->53 55 Injects a PE file into a foreign processes 7->55 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->39 41 Tries to steal Mail credentials (via file access) 15->41 43 5 other signatures 15->43 25 conhost.exe 19->25         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 03:40:06 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xheca2hsrahtjm57bx5wbvobjri5smlyixgfrsyydipcmonjmdca._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210303-janmw2mx7s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
0f05eb8a99807fb2b8740a6889d9283d0c2306e045850368731a1dc1663ed8f7
MD5 hash:
71e793838001bdf32b283a4a89fe2268
SHA1 hash:
f529711748d752a71d9abdc8b92bf4e35349aee3
Link:
https://www.unpac.me/results/6fb1f7da-fd08-467b-b474-676075d48b65/
SH256 hash:
a0680dbac43a0afa26f9e094ab822fd67dacd12b480abc06d3af51136e58b7d0
MD5 hash:
a0076a85cfccb7f3ce5c6e7a89bc9337
SHA1 hash:
d48e5171116f677ed91bb1d198b026a007e86b06
Link:
https://www.unpac.me/results/6fb1f7da-fd08-467b-b474-676075d48b65/
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
Link:
https://www.unpac.me/results/6fb1f7da-fd08-467b-b474-676075d48b65/
SH256 hash:
b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4
MD5 hash:
1e4880288a84083c85d30691404d3135
SHA1 hash:
4a70143ca027583595bad5a25ab3b6d513cacf90
Link:
https://www.unpac.me/results/6fb1f7da-fd08-467b-b474-676075d48b65/
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/b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4

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.

Malspam

AgentTesla

r00 bda9bb71cbd7336dfb61e52e25c9a3a5dc583e425564adf22306a222c2899326

AgentTesla

Executable exe b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4

(this sample)

  
Dropped by
MD5 164b6a11115cef8568f7ecf91172a32f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/121271/
  
Dropped by
SHA256 bda9bb71cbd7336dfb61e52e25c9a3a5dc583e425564adf22306a222c2899326

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