MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e891cd3b2bf9b1d351a8b1e91d2f94afc63ae355c8d26bc1e03485c72b603e8c. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
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SHA256 hash: e891cd3b2bf9b1d351a8b1e91d2f94afc63ae355c8d26bc1e03485c72b603e8c
SHA3-384 hash: e796273160c33c7525e4f582834d2309e611591ec8c1b1a5082dde97ec93bb4ce6e75f3d5505cc399b70cf8766e2978a
SHA1 hash: 88bcb2dd0c17f1a9475088574a2adb0b11fc6df6
MD5 hash: 61b28a8d0b161b09cb77b1145563c265
humanhash: enemy-oscar-wyoming-kansas
File name:#RFQ ORDER484425083-NJ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:499'200 bytes
First seen:2021-11-10 08:39:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:H+bqXtD0001Xh+J67hgmtu6Ka8d+DnKXANB:H+bYC0uXMJc7tuv3+DnKQr
Threatray 12'881 similar samples on MalwareBazaar
TLSH T1CCB4F1293FD9DE8AD276423EC8ED905103FCB8567852D71D3FD9238B29923811CA15AF
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/204643/
Detection(s):
Sanesecurity.Rogue.0hr.20211110-0706.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/618b8566175442ca93aa5fe6/reports/1cb4c032-418a-4a8c-b526-5486508734ec/overview
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.
Malware family:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5aed4312-59f9-43c0-afa2-714214e85169
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/886554
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 519027 Sample: #RFQ ORDER484425083-NJ.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 33 api.telegram.org 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 14 other signatures 2->41 8 #RFQ ORDER484425083-NJ.exe 7 2->8         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\UdprEavJgDbU.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmpAD1F.tmp, XML 8->29 dropped 31 C:\Users\...\#RFQ ORDER484425083-NJ.exe.log, ASCII 8->31 dropped 43 Adds a directory exclusion to Windows Defender 8->43 45 Injects a PE file into a foreign processes 8->45 12 #RFQ ORDER484425083-NJ.exe 8->12         started        15 powershell.exe 23 8->15         started        17 powershell.exe 25 8->17         started        19 2 other processes 8->19 signatures6 process7 signatures8 47 Moves itself to temp directory 12->47 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e891cd3b2bf9b1d351a8b1e91d2f94afc63ae355c8d26bc1e03485c72b603e8c/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-11-10 08:40:07 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ci42ozl7gy5guniwhur2l4uv7ddvy2vzdjgxqpagsc4ok3ah2ga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
23dd123c4d9d1f03de9e4be882da193333de801c1b86f7be357e34a516d43f85
AgentTesla
285013a4be37307c44edf2a923d5a4bf9c52dcfacec1a0308046f9689f1fd19f
AgentTesla
526b4a1960089a844cdea329920a3842e2d18a26cf96fa52cbbde6fed7fa012a
AgentTesla
5e922ebd226625e778e389b73f24b5e0a876139697b2dcb2e93b060303b81471
AgentTesla
6487c34d146a2277a4b10041ef255c9b024b24b3a44bad3fc7652a2f908af2b8
AgentTesla
689ddb0773860f65edd676e3d32207c1db0848a29db71fae865705a6666aafe6
AgentTesla
cdb8cf995f8287a1f64cd035c4e34e047e23a3218dbf50b0fcf321ecd464094e
AgentTesla
+ 12'871 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211110-kkvn3sdgen/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2067989360:AAFkHIOjj3gWiejJ9Za5Ia-H0UhgDEvpE4g/sendDocument
Unpacked files
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/ebcd2554-5273-4ff8-87ea-2c0c49d544ae/
SH256 hash:
ad6597bfd814697a7b3e782c40c7996b26422d85a24259c67f135a49d7bf3800
MD5 hash:
ec364857e4a35b9c703b4672ad659b78
SHA1 hash:
57a27503f037ce0f67d32b3d3fa9a89c2c32a036
Link:
https://www.unpac.me/results/ebcd2554-5273-4ff8-87ea-2c0c49d544ae/
SH256 hash:
c0df284ee92b692d24e30834868321ade622f12c420c72df3fad9fa64957eb3b
MD5 hash:
fdf766af306cb4be3c693c404fe261e8
SHA1 hash:
3258b0a540c822864e689710920d7d3c1c2999c5
Link:
https://www.unpac.me/results/ebcd2554-5273-4ff8-87ea-2c0c49d544ae/
SH256 hash:
e891cd3b2bf9b1d351a8b1e91d2f94afc63ae355c8d26bc1e03485c72b603e8c
MD5 hash:
61b28a8d0b161b09cb77b1145563c265
SHA1 hash:
88bcb2dd0c17f1a9475088574a2adb0b11fc6df6
Link:
https://www.unpac.me/results/ebcd2554-5273-4ff8-87ea-2c0c49d544ae/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e891cd3b2bf9/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/e891cd3b2bf9b1d351a8b1e91d2f94afc63ae355c8d26bc1e03485c72b603e8c

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
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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:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
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 e891cd3b2bf9b1d351a8b1e91d2f94afc63ae355c8d26bc1e03485c72b603e8c

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204643/

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