MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c
SHA3-384 hash: 836028beab294d40e3ca16e2026effee9b073379603e6224569db456974151176eec46e071b3e0edcd0ba803166d89aa
SHA1 hash: f389727a96b6ff7b363cb1cc9688de29a6b78db1
MD5 hash: 1f3c90853c32b6f513d5e3a32f5a3718
humanhash: edward-jig-north-pasta
File name:DOC..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:873'984 bytes
First seen:2021-08-11 11:49:33 UTC
Last seen:2021-08-11 13:58:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ncJm5oTAPlqAOUVvD9wPWPHDWqA1UBiUpBwam0nRN8xDOwjPkCfKr/ftNBWWMQB0:cJmGTANqAOUdzHiKKam0/8ri
Threatray 8'255 similar samples on MalwareBazaar
TLSH T10F058DED724079EEC81BD932C9B81C64E6207476834BD20BA05725EC9E5DAA7CF164F3
dhash icon e0a8b2a496f83e80 (9 x AgentTesla, 1 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOC..exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 11:52:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/641be9f8-84cf-4d40-ae0a-4df3f2aa1d29

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/178211/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.15366.12951.6054.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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
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
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c63e4cc-7700-4603-8beb-b76ac56d2be0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/830870
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
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 463301 Sample: DOC..exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 7 DOC..exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\JGLBfaDn.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpAE89.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\Local\...\DOC..exe.log, ASCII 7->31 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Writes to foreign memory regions 7->55 57 Injects a PE file into a foreign processes 7->57 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\...\tKZVPq.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2021-08-11 03:10:53 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idnop2443z5jjvpa3ttshdifz5noueamf2pw53mo2f44cev2p2oa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
03ef8714bc60d14808b9d17373c5e34198a4e7a60cdebab1e18f9e49c394f7d1
AgentTesla
057883d711c8709cf98df054b86aa9f4e9ed0dc0b82ce31333f7577da3e708f6
AgentTesla
0663ffc968c7a2870e7c3234b4c2c2c5bae705a12a1f84ff4527af8d8b9466e5
AgentTesla
1f395105436d3b493c8682a2cf6081f5e85f07d1657b73fba0809a6c6a419bf7
AgentTesla
340daf824203c0af3cc67314d3b4b5c49d30ee8eb299f49756cf684cef2cf690
AgentTesla
6a9f389d3c7a07993f81b708ccc645db64e47080e04d23636de5e80968172d10
AgentTesla
6bc4f7cefe9b7644afd50a8ece2b0f68c547eb925842ab8005cf40a637d0b5fd
AgentTesla
888783905b422f7cc69160d7942071330fc8261ff64c0c727b02323a17cf8175
AgentTesla
d7550aca865eea83340a162a23a30ee5475147eb99a86fe08c3ac404ddda8400
AgentTesla
+ 8'245 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/210811-tdstjwmyja/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
3eb824b0ff99820335ced96be3b22d35e4355da0b22af0f3503369b2f1e9997b
MD5 hash:
cc2314c17e85d3ca2dbf53a4408d32fb
SHA1 hash:
d272e96c7e5c900861f33b69b4ddcc66fa4c302b
Link:
https://www.unpac.me/results/2d9cdc7e-e97a-4c14-9035-746ca5881abb/
SH256 hash:
ea3408caa0ef958889e3e98400aab2fd4b31fa805ae3ba480292a5360de9d063
MD5 hash:
5bbef7d793b2d9ad114c9c69a88121b6
SHA1 hash:
79cc28a16ace0a7cdaee9b371e354723118dc672
Link:
https://www.unpac.me/results/2d9cdc7e-e97a-4c14-9035-746ca5881abb/
SH256 hash:
962ac80ee2ce956e16904c611e706deacabfbe4e4f4495bbafefd6095269db0f
MD5 hash:
8259c9979d28dd89385e91b394afc8b2
SHA1 hash:
01a1317cd4122e57eaad54bcf53a4a2f4fabcd5a
Link:
https://www.unpac.me/results/2d9cdc7e-e97a-4c14-9035-746ca5881abb/
SH256 hash:
40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c
MD5 hash:
1f3c90853c32b6f513d5e3a32f5a3718
SHA1 hash:
f389727a96b6ff7b363cb1cc9688de29a6b78db1
Link:
https://www.unpac.me/results/2d9cdc7e-e97a-4c14-9035-746ca5881abb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/40dae7eb9cde/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/40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c

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: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: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

File information

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

Malspam

AgentTesla

Executable exe 40dae7eb9cde7a94d5e0dce7238d05cf5aea100c2e9f6eed8ed179c112ba7e9c

(this sample)

  
Dropped by
null
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178211/

Comments