MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 971cbad0d6aa786edc401fd9525336bd3f2d1d6718b3290e93b85458d3e34401. 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: 8


Intelligence 8 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 971cbad0d6aa786edc401fd9525336bd3f2d1d6718b3290e93b85458d3e34401
SHA3-384 hash: 4fe623a306e08791f5bb60d93d88303b146eb4b5760956e9c36ad59095a27eecd9c22fae16e761d8d1bd6c22aefc9f1c
SHA1 hash: f5475d7f6d4111e8885fbc94b4ea95a4645d7203
MD5 hash: 82111e8d64804683a77e56d4171453c6
humanhash: minnesota-spaghetti-two-gee
File name:090009000000000000.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:377'165 bytes
First seen:2021-06-03 14:17:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:KQqDxcBdXw7SOdM/1TryLSKFUcEzuAA8Wrh34K0B8OMhip:QxcBd8AXoSKF3QuA1WrhV0GGp
Threatray 1'713 similar samples on MalwareBazaar
TLSH 8184E126FA54DCA1E4179C702022A877CF315F1131AE9D13F3B6BB6B5029DD1692BB13
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
090009000000000000.exe
Verdict:
Malicious activity
Analysis date:
2021-06-03 14:26:05 UTC
Tags:
installer evasion trojan
Link:
https://app.any.run/tasks/a1bb34b5-0d86-4f5c-8de7-0f7db3b62dab

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/164432/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Launching a process
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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 Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/796754
Signature
.NET source code references suspicious native API functions
Contains functionality to capture screen (.Net source)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 429151 Sample: 090009000000000000.exe Startdate: 03/06/2021 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Snake Keylogger 2->43 45 3 other signatures 2->45 6 yjgvqracbnvdnk.exe 17 2->6         started        11 090009000000000000.exe 1 21 2->11         started        process3 dnsIp4 25 192.168.2.1 unknown unknown 6->25 19 C:\Users\user\AppData\Local\...\System.dll, PE32 6->19 dropped 47 Multi AV Scanner detection for dropped file 6->47 49 Writes to foreign memory regions 6->49 51 Maps a DLL or memory area into another process 6->51 13 MSBuild.exe 2 6->13         started        21 C:\Users\user\AppData\...\yjgvqracbnvdnk.exe, PE32 11->21 dropped 23 C:\Users\user\AppData\Local\...\System.dll, PE32 11->23 dropped 17 MSBuild.exe 15 2 11->17         started        file5 signatures6 process7 dnsIp8 27 checkip.dyndns.org 13->27 29 131.186.113.70, 49719, 49720, 80 DYNDNSUS United States 13->29 31 104.21.19.200, 443, 49721 CLOUDFLARENETUS United States 13->31 53 Tries to steal Mail credentials (via file access) 13->53 55 Tries to harvest and steal ftp login credentials 13->55 57 Tries to harvest and steal browser information (history, passwords, etc) 13->57 33 checkip.dyndns.org 17->33 35 checkip.dyndns.com 162.88.193.70, 49706, 49707, 80 DYNDNSUS United States 17->35 37 freegeoip.app 172.67.188.154, 443, 49709 CLOUDFLARENETUS United States 17->37 59 May check the online IP address of the machine 17->59 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/971cbad0d6aa786edc401fd9525336bd3f2d1d6718b3290e93b85458d3e34401/
Threat name:
Win32.Trojan.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-06-03 14:15:02 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s4olvugwvj4g5xcad7mveuzwxu7s2hlhdczssdutxbkfru7diqaq._file
Verdict:
unknown
Similar samples:
26ceb57e95635a8c48ff8dbe512475716cd7b4155de3f34cd2932f90a688a7d0
AgentTesla
4ee7793ced917a0ae8b3928b869b23d9165376e03d818cfd9a0e5e9e82d37e45
AgentTesla
6165fac365803ffb9650ccfc5465ecfb8bad3ba2804b6451c3500059e90ad7ed
AgentTesla
7250f8c7c76d61dd08e66a8a42598fd3d79a0102128d89079d412c7e6a2fa296
AgentTesla
74d5a7052ca7168700158a9f7c8c15f37c99355e1b84dc5a73724d605bd35604
AgentTesla
97190ef2d03d62cbc49ab7f7edd2e8fcf202c4484a5e6873ce314e6de691abe1
AgentTesla
9c78146f4a627174c179d84b1069dad2eb688db691b637793d3285595b773120
AgentTesla
9c945fc31639ad3a22b019d3b159e66a8df4a28872576f429392fb4dc64ebb01
AgentTesla
bfadfb761d44021eb935ec613326ee43d659786c8c5127a44191756cbf7c5546
AgentTesla
e3552f29a4edea23050280c0e3ec77cd141dcb699eea5f0c8ec4349019b65ce1
AgentTesla
+ 1'703 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/210603-1nm3e5q6w6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Unpacked files
SH256 hash:
971cbad0d6aa786edc401fd9525336bd3f2d1d6718b3290e93b85458d3e34401
MD5 hash:
82111e8d64804683a77e56d4171453c6
SHA1 hash:
f5475d7f6d4111e8885fbc94b4ea95a4645d7203
Link:
https://www.unpac.me/results/1996fe1b-1d1c-4ecb-815e-28fc91a49011/
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/971cbad0d6aa786edc401fd9525336bd3f2d1d6718b3290e93b85458d3e34401

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:Choice_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:pe_imphash
Create hunting rule
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_bot_mem
Create hunting rule
Author:James_inthe_box
Description:Telegram in files like avemaria
Rule name:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo

File information

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

Malspam

AgentTesla

Executable exe 971cbad0d6aa786edc401fd9525336bd3f2d1d6718b3290e93b85458d3e34401

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/164432/

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