MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36970d4f72161f9f6cbd444994359e0c416be009593960413870f5c0ebcf345b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 36970d4f72161f9f6cbd444994359e0c416be009593960413870f5c0ebcf345b
SHA3-384 hash: 587ff1d9ecb5d5eefc00dccb61368ebc602aca79ca4824df669be6fb9b3a4139c4a758c91b6e83f7aa247ea4b4602d06
SHA1 hash: 9525f3d3a49cc64bf616ff175a541372c5e1a061
MD5 hash: 709782a1984c34c24f41f1fb0a96cd5d
humanhash: april-violet-mango-early
File name:documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:609'792 bytes
First seen:2022-05-24 22:22:05 UTC
Last seen:2022-05-24 22:36:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:JSlicp1o4w7K1KBxIX/ghv5vHAD4Zbk49K6jK7rRRlZ:Alic84hAxIX/+Rvg76c7L
TLSH T1AED4234A7628082FCC4D1CF66425714043F2D295D9E1EBDA9CB5E4B0B1E97EA3F82C4B
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 :
2
# of downloads :
364
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
documents.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 22:30:34 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/370f92c7-2754-4ae7-b6e6-cfb06da85b1d

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/274302/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628d5ad1afb61a3866637b89/reports/9ac02c18-73c0-4b1a-824c-fbac5fca467d/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ad82e436-ebd8-4df6-9e34-a898472703a4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001128
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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)
Snort IDS alert for network traffic
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 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: 633623 Sample: documents.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for dropped file 2->60 62 11 other signatures 2->62 7 documents.exe 7 2->7         started        11 Tnpak.exe 2 2->11         started        13 Tnpak.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\...\QdHOwEBJGXwop.exe, PE32 7->36 dropped 38 C:\...\QdHOwEBJGXwop.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp8F72.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\documents.exe.log, ASCII 7->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 7->64 66 Writes to foreign memory regions 7->66 68 Adds a directory exclusion to Windows Defender 7->68 70 Injects a PE file into a foreign processes 7->70 15 RegSvcs.exe 2 4 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 44 subnet-group.com 206.189.39.129, 49753, 587 DIGITALOCEAN-ASNUS United States 15->44 46 mail.subnet-group.com 15->46 32 C:\Users\user\AppData\Roaming\...\Tnpak.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 5 other signatures 15->54 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/36970d4f72161f9f6cbd444994359e0c416be009593960413870f5c0ebcf345b/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 21:17:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g2lq2t3scypz63f5irezinm6brawxyajle4waqjyod24b26pgrnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220524-2arywaaaf9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
a936419b701428167d1f2f6a35242a3d1b4be76314d370e3cc10654d2b46c700
MD5 hash:
782855252a5c7e51f82bc13df062af6a
SHA1 hash:
d1a28186aad122075734ee484adc541a6316099d
Link:
https://www.unpac.me/results/dc274f37-1d12-4a82-9bcc-0cbbf924e739/
SH256 hash:
55cc62ba766b3389543625c40dad7d635e413985549fa47734040dffcdfa8a6f
MD5 hash:
afcfb6af3ce12edde58804a1b292a623
SHA1 hash:
659b7841cd82d98592c15348d652a470f91798e2
Link:
https://www.unpac.me/results/dc274f37-1d12-4a82-9bcc-0cbbf924e739/
SH256 hash:
8eea34761755bde6873f711d42e0cea8c3a08b702c192fb02749c0a6af01c7ec
MD5 hash:
41e199eb276a7ead0799dbf2948af888
SHA1 hash:
58e52db4474a979245a79d8f7686eff2f7be6f5f
Link:
https://www.unpac.me/results/dc274f37-1d12-4a82-9bcc-0cbbf924e739/
SH256 hash:
d94cab6f990e66e80b212142c245a89acdd141cab201836432e94225732e309e
MD5 hash:
bd4ca763c5a0059b8a041679905fbecb
SHA1 hash:
1a32b8701b26bc707444600890f3da07d95ad9a1
Link:
https://www.unpac.me/results/dc274f37-1d12-4a82-9bcc-0cbbf924e739/
SH256 hash:
36970d4f72161f9f6cbd444994359e0c416be009593960413870f5c0ebcf345b
MD5 hash:
709782a1984c34c24f41f1fb0a96cd5d
SHA1 hash:
9525f3d3a49cc64bf616ff175a541372c5e1a061
Link:
https://www.unpac.me/results/dc274f37-1d12-4a82-9bcc-0cbbf924e739/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/36970d4f7216/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/36970d4f72161f9f6cbd444994359e0c416be009593960413870f5c0ebcf345b

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: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 36970d4f72161f9f6cbd444994359e0c416be009593960413870f5c0ebcf345b

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/274302/

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