MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c91827e8e5622aa3085575ee132847dcfd01886fc5a7cd7b2f22a53e4b08ad2. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c91827e8e5622aa3085575ee132847dcfd01886fc5a7cd7b2f22a53e4b08ad2
SHA3-384 hash: 1765dc6c0ef7ebca9af1ba786f483de534e39c7ae9f42118dec622866f1b81fb57b4424f012ac9d796d4de47220724db
SHA1 hash: 9887cb2fee7e1a7653d645870b67761234f124d8
MD5 hash: 7d9fa32b688acd793c2ce2ec3fd20041
humanhash: idaho-music-mirror-double
File name:Quotation#2008101907001.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:679'424 bytes
First seen:2022-04-24 14:29:50 UTC
Last seen:2022-04-24 15:30:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:HRbWAYtv/hAH/d9iggJbQHQkWqe0XjVtyKnATAzdN3SX4CdZUm:tWBdhG9iggJgQkLXjDyyATa5SoC
Threatray 16'595 similar samples on MalwareBazaar
TLSH T179E4F120B2F90B91C67BB7F66621515427F26E352636E60D0CEA75DB2572F800E31FA3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/266175/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.18109.27179.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Moving of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/62655eef448aa6d887a5e222/reports/078245d3-7a33-4a3d-a364-d60cc720b32d/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab2168e9-d58a-4966-9869-bb484359090c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982070
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 614557 Sample: Quotation#2008101907001.pdf.exe Startdate: 24/04/2022 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 11 other signatures 2->72 7 Quotation#2008101907001.pdf.exe 7 2->7         started        11 BGQJU.exe 5 2->11         started        13 BGQJU.exe 2->13         started        process3 file4 42 C:\Users\user\AppData\...\dPoEyctfnitLv.exe, PE32 7->42 dropped 44 C:\...\dPoEyctfnitLv.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmpA465.tmp, XML 7->46 dropped 48 C:\...\Quotation#2008101907001.pdf.exe.log, ASCII 7->48 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 7->78 80 Injects a PE file into a foreign processes 7->80 15 Quotation#2008101907001.pdf.exe 2 5 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        82 Multi AV Scanner detection for dropped file 11->82 84 Machine Learning detection for dropped file 11->84 86 Adds a directory exclusion to Windows Defender 11->86 24 BGQJU.exe 11->24         started        26 powershell.exe 11->26         started        28 schtasks.exe 11->28         started        signatures5 process6 dnsIp7 50 us2.smtp.mailhostbox.com 162.222.225.29, 49762, 49769, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 52 192.168.2.1 unknown unknown 15->52 38 C:\Users\user\AppData\Roaming\...\BGQJU.exe, PE32 15->38 dropped 40 C:\Users\user\...\BGQJU.exe:Zone.Identifier, ASCII 15->40 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Moves itself to temp directory 15->56 58 Tries to steal Mail credentials (via file / registry access) 15->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->60 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        62 Tries to harvest and steal ftp login credentials 24->62 64 Tries to harvest and steal browser information (history, passwords, etc) 24->64 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5c91827e8e5622aa3085575ee132847dcfd01886fc5a7cd7b2f22a53e4b08ad2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-24 14:30:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lsiye7uokyrkumefk5pocmuepxh5ageg7rnhzv5s6ivfhzfqrlja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
29cb6bc05ceec1f61c6505393a38615ecd94794ac9641cb533a943fd22734cc7
AgentTesla
3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74
AgentTesla
58c4b64412b4dd61472d6df712f5ec38b7b2f8d88d6607b90804c4253b6400f4
AgentTesla
5e1e2ce82b5fbcf65e9b5253453f4288dc8510fb30451f7f06258d7753bee9b0
AgentTesla
961b3c31dce2146e97c694b3d02e9818b7e637c569c2b9c034c5f4e713bb7a5b
AgentTesla
de144ca731ac926172dd742235946e40673e22684f0c2f346c63584cd0ceaec3
AgentTesla
e4bba9c2af86f903aeecbaf44534222faf78b07bdb4c7604e747ecd6898e38e2
AgentTesla
+ 16'585 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220424-rt5c7sheh5/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
4c3714a29656277319596871d27e23f1c8cf9210d2fee28782e41515213bb5ec
MD5 hash:
0548708fdc4347d0ee37b5b8f1ac35b0
SHA1 hash:
8a1f655fd41241897cfa84e81192923518ba5870
Link:
https://www.unpac.me/results/a4de6fdd-6c8f-47f3-a5c5-64572e7a4080/
SH256 hash:
4b9a5d4d62064edf39b80b012ba4c72246d6e315dbf7573f15584b35d449b62e
MD5 hash:
45940f74b99d7afe9ff3ba3ebb243420
SHA1 hash:
d1118cc9ef6006384cb38c1ff6a185d34fd940f7
Link:
https://www.unpac.me/results/a4de6fdd-6c8f-47f3-a5c5-64572e7a4080/
SH256 hash:
a87358a85eb298711c80c7d1d90212c90286d8bea8637fd047186bfa4b0ca3d2
MD5 hash:
7bf106721ab49232d82ef3fdefa0523e
SHA1 hash:
496426be300c3f329ff4173eb5cef8001511a9ec
Link:
https://www.unpac.me/results/a4de6fdd-6c8f-47f3-a5c5-64572e7a4080/
SH256 hash:
8e1b71477c489cbc954c8d54d08284f759ab2cd1b65050128ecbda9ebe16904d
MD5 hash:
b477c0f043954b457d5f0f91327ec606
SHA1 hash:
0db8774ef3e2b8245504f66a35afcf987ebdaaba
Link:
https://www.unpac.me/results/a4de6fdd-6c8f-47f3-a5c5-64572e7a4080/
SH256 hash:
5c91827e8e5622aa3085575ee132847dcfd01886fc5a7cd7b2f22a53e4b08ad2
MD5 hash:
7d9fa32b688acd793c2ce2ec3fd20041
SHA1 hash:
9887cb2fee7e1a7653d645870b67761234f124d8
Link:
https://www.unpac.me/results/a4de6fdd-6c8f-47f3-a5c5-64572e7a4080/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5c91827e8e56/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/5c91827e8e5622aa3085575ee132847dcfd01886fc5a7cd7b2f22a53e4b08ad2

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pdb2
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 5c91827e8e5622aa3085575ee132847dcfd01886fc5a7cd7b2f22a53e4b08ad2

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/266175/

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