MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c7b2a9de0c292079954b1a378f65f5bfd81c5fda14304c4dac51271f7af50a5. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c7b2a9de0c292079954b1a378f65f5bfd81c5fda14304c4dac51271f7af50a5
SHA3-384 hash: 460d82a34231f6132dbb42729ffc4678da3426f28b3ab971b7c30665483d9b8a172dbda2f5b77a47fe09874734ff7dc0
SHA1 hash: dd603213fc9fb06811897bf8f331abafdfa5c9dd
MD5 hash: fe04506591094b6fa136ff4ccfcbccf6
humanhash: winter-golf-iowa-speaker
File name:DOC.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:851'456 bytes
First seen:2021-10-05 06:36:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:V0fDI046Mnq0UnsO5lJkKzUvoPUu9YCFHyL2WOYELIqEUjrlyFkJ/vqz7HYob:GBZYCIqcSJ3qz7H
Threatray 10'727 similar samples on MalwareBazaar
TLSH T1CE05289453CB98C0F13B2734B0222CFBA47D6B0DFBAECB1151573A97CCB9658561DA88
File icon (PE):PE icon
dhash icon e2f8f4eccc209098 (6 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOC.exe
Verdict:
Malicious activity
Analysis date:
2021-10-05 06:39:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/57c8fa17-b18e-4d94-a36b-b46a35ac8ca2

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/194882/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615c0672e3d213d202b76e12/reports/23485376-eb3d-4b4c-a2d9-f6177124c0df/overview
Malware family:
Nagoot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9e39d7dd-68c7-4ced-9ecc-882a138d93ca
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/864491
Signature
.NET source code contains very large array initializations
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)
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 dnsIp2 2 Behavior Graph ID: 496922 Sample: DOC.exe Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 38 mail.atharvashipping.co 2->38 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 4 other signatures 2->54 8 DOC.exe 6 2->8         started        12 tKZVPq.exe 2 2->12         started        14 tKZVPq.exe 1 2->14         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\XbQEeFYDS.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmp84C7.tmp, XML 8->34 dropped 36 C:\Users\user\AppData\Local\...\DOC.exe.log, ASCII 8->36 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Injects a PE file into a foreign processes 8->60 16 RegSvcs.exe 2 4 8->16         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 12->22         started        24 conhost.exe 14->24         started        signatures6 process7 file8 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 16->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 16->30 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->42 44 Modifies the hosts file 16->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->46 26 conhost.exe 20->26         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c7b2a9de0c292079954b1a378f65f5bfd81c5fda14304c4dac51271f7af50a5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 06:36:22 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rr5svhpaykjapgkuwgrxr5s7lp6ydrp5ufbqjrg2yujhd55pkcsq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
4fa37c31a5207940aa9e0d00fc393f91532e6da3a7dcabba9ab902e33a14afbe
AgentTesla
6f871f3642191d04e4fe20f022f738d89b3ad90b531cef6adde91d10f257431d
AgentTesla
755f9880585db4240c8f03cbbc99cbf6c174e33a62ed3130488633ea232c8924
AgentTesla
7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad
AgentTesla
877a10d92f5b06000711b96af3b0705ff13494b7eb38804adcf3f207457cf51a
AgentTesla
9d393dc3fda68914e201012280b9eed4fd76c0dd077817c83c9e05cdf5d3cab8
AgentTesla
decea99e89d160b5656fdc941441eae35a1f81f32d423f7d444703944c3f9f98
AgentTesla
+ 10'717 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/211005-hc1h9ahfcm/
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
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
f744bc647ffff85192aff33083eaf42fe51ecc18a83735e3d6fbdd67676487b6
MD5 hash:
dab697d72232cd9162a1885b7c4b022d
SHA1 hash:
702927827be7b88156a8b0406ce3c9d6b98578dc
Link:
https://www.unpac.me/results/1283e7ea-eaa8-42e6-840f-ad64878842f4/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/1283e7ea-eaa8-42e6-840f-ad64878842f4/
SH256 hash:
ee4cbec8e3471c74a120c1d2393bca34c550eaeda8bd78dcdbbc001cea2bcc45
MD5 hash:
df63202beb37495e9c12955690161210
SHA1 hash:
1b64408cdffe1e14102525ac71896bc0adbccd42
Link:
https://www.unpac.me/results/1283e7ea-eaa8-42e6-840f-ad64878842f4/
SH256 hash:
8c7b2a9de0c292079954b1a378f65f5bfd81c5fda14304c4dac51271f7af50a5
MD5 hash:
fe04506591094b6fa136ff4ccfcbccf6
SHA1 hash:
dd603213fc9fb06811897bf8f331abafdfa5c9dd
Link:
https://www.unpac.me/results/1283e7ea-eaa8-42e6-840f-ad64878842f4/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8c7b2a9de0c2/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/8c7b2a9de0c292079954b1a378f65f5bfd81c5fda14304c4dac51271f7af50a5

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: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 8c7b2a9de0c292079954b1a378f65f5bfd81c5fda14304c4dac51271f7af50a5

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/194882/

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