MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 394691a936fa2ec8af94e414c3fd851de90ee309b386b38b7b3957b45d000e7b. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 394691a936fa2ec8af94e414c3fd851de90ee309b386b38b7b3957b45d000e7b
SHA3-384 hash: 050176cbf2779286c3f18f97cc7b43c395d57aa408595477ba88d5ee66a40a939f2a406a0aa1b714690aad9078184c26
SHA1 hash: 21cef4956372d6c371fc0dd5adf54881bffab1c7
MD5 hash: 645c901f46908fd36d364e8dbe67067c
humanhash: july-july-ack-michigan
File name:bank slip.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:972'288 bytes
First seen:2021-08-23 13:55:28 UTC
Last seen:2021-09-03 05:41:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:iGyR93fzIOelOarkSq4Eq9c2VYJUEKlCW:g9AOa3q4b9YJUEKlCW
Threatray 8'785 similar samples on MalwareBazaar
TLSH T14B254B143790B59FD526C9338B974D3096616CBBD6DBC307D003B2AD5A3D2B2EE091AB
dhash icon 00fcf0b0d086e8c8 (40 x AgentTesla, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bank slip.exe
Verdict:
Malicious activity
Analysis date:
2021-08-23 14:10:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7f3592ab-2cf9-45bd-9805-5c0688f989cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/181513/
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/18a48773-05c2-4ffb-a7cd-e0a4e3d4eb4f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837571
Signature
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
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 470002 Sample: bank slip.exe Startdate: 23/08/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Yara detected AgentTesla 2->53 55 7 other signatures 2->55 7 bank slip.exe 6 2->7         started        11 tKZVPq.exe 5 2->11         started        13 tKZVPq.exe 4 2->13         started        process3 file4 33 C:\Users\user\AppData\Roaming\RUvWtEEP.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp59D9.tmp, XML 7->35 dropped 37 C:\Users\user\AppData\...\bank slip.exe.log, ASCII 7->37 dropped 57 Injects a PE file into a foreign processes 7->57 15 bank slip.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 21 schtasks.exe 1 11->21         started        23 tKZVPq.exe 2 11->23         started        25 schtasks.exe 13->25         started        signatures5 process6 file7 39 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->39 dropped 41 C:\Windows\System32\drivers\etc\hosts, ASCII 15->41 dropped 43 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 15->43 dropped 45 Modifies the hosts file 15->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->47 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 25->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/394691a936fa2ec8af94e414c3fd851de90ee309b386b38b7b3957b45d000e7b/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-08-23 08:40:56 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hfdjdkjw7ixmrl4u4qkmh7mfdxuq5yyjwodlhc33hfl3ixiabz5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3a94550c360792919a2ba72cf8077a3d7119106383d7d53d23f615c123eaea02
AgentTesla
8be7d128eaa0e4a7a98dbafba2d1b7c4f212181c376442c12c4665e0c8b00a96
AgentTesla
e3034bf8e50bc953c8be781a0e950e2c00402cb265f871e82343accb45562fa4
AgentTesla
f3d502c6f874202dff3c4337237e2cc72a61761bfe7595de3cef18f5aef1805c
AgentTesla
+ 8'775 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210823-zjz2jq1wsn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
8af3bc129bb9a1998cb09b5e31cf99fb1b3e678b67461694eca5e481e86e5723
MD5 hash:
9f8b65f361745b20222ce569cab89fd2
SHA1 hash:
6d27f975bc5724858e3958d460edd9964840fdf7
Link:
https://www.unpac.me/results/d154d787-252b-498e-8ca7-53aa9bcd7da0/
SH256 hash:
b674c42a568329828e8d98a519ee782f0813222db00260e5620cae661fae10a5
MD5 hash:
27d7d127311d4ea88404f0c860618733
SHA1 hash:
3b9e50a07e315189dea51195a47264a12cf28f50
Link:
https://www.unpac.me/results/d154d787-252b-498e-8ca7-53aa9bcd7da0/
SH256 hash:
4183bdddb868a5898f822ca3ecde6a521fa3a18310232837229e15b69b71a580
MD5 hash:
a79afa94b8055255b65db85c729723d5
SHA1 hash:
0eb70cc3b5bb49fc521cacd9c969372693dc7b0a
Link:
https://www.unpac.me/results/d154d787-252b-498e-8ca7-53aa9bcd7da0/
SH256 hash:
394691a936fa2ec8af94e414c3fd851de90ee309b386b38b7b3957b45d000e7b
MD5 hash:
645c901f46908fd36d364e8dbe67067c
SHA1 hash:
21cef4956372d6c371fc0dd5adf54881bffab1c7
Link:
https://www.unpac.me/results/d154d787-252b-498e-8ca7-53aa9bcd7da0/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/394691a936fa/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/394691a936fa2ec8af94e414c3fd851de90ee309b386b38b7b3957b45d000e7b

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
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_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

Executable exe 394691a936fa2ec8af94e414c3fd851de90ee309b386b38b7b3957b45d000e7b

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/181513/

Comments