MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5adfe20af9815856290bc19eca320691651557be0b9c1323b921115d67d59b2b. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 5adfe20af9815856290bc19eca320691651557be0b9c1323b921115d67d59b2b
SHA3-384 hash: 3319eb7277985052d9649b4f0dbc343f7156c0a647bcd7adec467a590cbb27e7515ba1ba67d47d7f8eb335c2ea59d081
SHA1 hash: 2a10879f9072a3b41988811540211d6ee79dee4e
MD5 hash: 641587aca493ff14ed556fd2510eda0f
humanhash: bulldog-batman-emma-summer
File name:PO.exe
Download: download sample
Signature AgentTesla
File size:815'616 bytes
First seen:2021-08-04 08:48:42 UTC
Last seen:2021-08-05 05:39:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:ewUKxlSSFPdyrEK21MX1TcNLI7NL/rB6Vqj:eqNP4N8k1TcBIpL/NM
Threatray 7'783 similar samples on MalwareBazaar
TLSH T19505DF6B26548623F43CD27C6A186216F279DFE2F1DDC882FDC33188C672A4325955AF
dhash icon 18bc8cccc4c6e260 (2 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 08:54:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Allocates memory in foreign processes
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 459158 Sample: PO.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 9 other signatures 2->53 7 PO.exe 6 2->7         started        11 DLxES.exe 2 2->11         started        13 DLxES.exe 1 2->13         started        process3 file4 29 C:\Users\user\AppData\...\RdauwqwvNfior.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp3B07.tmp, XML 7->31 dropped 33 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 7->33 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 61 Injects a PE file into a foreign processes 7->61 15 RegSvcs.exe 2 4 7->15         started        19 RegSvcs.exe 7->19         started        21 schtasks.exe 1 7->21         started        23 conhost.exe 11->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 35 C:\Users\user\AppData\Roaming\...\DLxES.exe, PE32 15->35 dropped 37 C:\Windows\System32\drivers\etc\hosts, ASCII 15->37 dropped 39 Modifies the hosts file 15->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->45 27 conhost.exe 21->27         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Strictor
Status:
Malicious
First seen:
2021-08-04 05:37:42 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
SH256 hash:
1acce31125cdc0340b86b97c1c612a5d1fc606b17296b5bbe3c7aac9e5412903
MD5 hash:
1db43ddebd8051045908afc515cec108
SHA1 hash:
e1c3e0470ea3515537724f7422274a3e999c55c4
SH256 hash:
9214e18afc4666991fc53783b16805a78fb9bec80b5d78c80056a1cd7d5b6193
MD5 hash:
0009a7a0eb2a120b9ca02547beb0e88a
SHA1 hash:
4ae975693cc45b6084af4184b3fa117090ebd3b1
SH256 hash:
5adfe20af9815856290bc19eca320691651557be0b9c1323b921115d67d59b2b
MD5 hash:
641587aca493ff14ed556fd2510eda0f
SHA1 hash:
2a10879f9072a3b41988811540211d6ee79dee4e
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
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 5adfe20af9815856290bc19eca320691651557be0b9c1323b921115d67d59b2b

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments