MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b4259a23bb21522d344a17dd5cd24aeecadd275f4d587b44e2b55595381c504. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b4259a23bb21522d344a17dd5cd24aeecadd275f4d587b44e2b55595381c504
SHA3-384 hash: 7829948cd0ff2d15c3399cdaa0ccb782f3bc65dd445fbdbc1e1c163ccb28aa2e994fa0021f5df92dcd967c218f510b93
SHA1 hash: 080a471ee86b031e4a737d33e684feac12034fef
MD5 hash: 96f3811f152e02afb608785714c0a280
humanhash: mirror-tango-white-lion
File name:LPO-6809.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'178'624 bytes
First seen:2021-05-10 05:29:15 UTC
Last seen:2021-05-10 06:58:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:oYH4oLAEgPZfdbTvcedWEtEV3gBJ3Bo5dH:o2gPXbTbw7yJu5t
Threatray 5'121 similar samples on MalwareBazaar
TLSH 504518AC3140B4EEC6578C339BDE5C20922025BA932BC60B5313177D9A5FE53AF395DA
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/153685/
Detection(s):
SecuriteInfo.com.Variant.Bulz.468147.23317.24970.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Enabling autorun by creating a 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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/720991
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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 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: 409425 Sample: LPO-6809.exe Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 8 other signatures 2->54 7 LPO-6809.exe 6 2->7         started        11 NewApp.exe 4 2->11         started        13 NewApp.exe 3 2->13         started        process3 file4 32 C:\Users\user\AppData\...\mzOjVrDggvfsPW.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp7404.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\...\LPO-6809.exe.log, ASCII 7->36 dropped 56 Detected unpacking (changes PE section rights) 7->56 58 Detected unpacking (overwrites its own PE header) 7->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 3 other signatures 7->62 15 RegSvcs.exe 2 6 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 mail.foodurway.com.au 101.0.117.115, 49745, 587 DIGITALPACIFIC-AUDigitalPacificPtyLtdAustraliaAU Australia 15->38 28 C:\Users\user\AppData\Roaming\...28ewApp.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Tries to steal Mail credentials (via file access) 15->44 46 7 other signatures 15->46 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b4259a23bb21522d344a17dd5cd24aeecadd275f4d587b44e2b55595381c504/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-05-09 18:42:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
49
AV detection:
13 of 46 (28.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnbftir3wiksfu2euf65ltjev3wk3utv6tkypncofnkvsu4byuca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
00f15693650f7e3640fd510852dc0301d357717a986a49c35b3b91d876df8d66
AgentTesla
0aa33a46ce0903294bbaab17ef7efc361d9986d342097973dc76bdd721e68e05
AgentTesla
11b2eb48b9fca9c42db67b43c0c186a7bda61547d04697f2b4fcaa6d91cc1ae0
AgentTesla
4161062ddc367ebd6b08a08f420179c18bed01f248860ff695f9e513fed16ce1
AgentTesla
53dcc6b98d2356c9a5f68b314edb8b819b99cec4ef2f6db0cfba72fb86a55d25
AgentTesla
5d878c5a698cccac343fc6b80d140aa321fa9a97aec968abc55b25f1658bffe6
AgentTesla
672a61ad27f7bafa74b86dffa95262a18256d48cf3f1aa74c5b6907cefd9cad1
AgentTesla
789908dccb3fef2eaf91f04e9af718d53d58da605aaf092b549efccc869dff12
AgentTesla
82d7d525f33e0863bc75c9eece754335318e33ecd0ba6b1662cc5795f602b883
AgentTesla
b5711cb62942fa81a74147f16f16231c6033155f48e60f1d9b8d71cac4445706
AgentTesla
+ 5'111 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210510-tl7bgzv1ej/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
f0f5e31f56ab4db7f5ffd95582f5d0d210a10758c677a32d8f6bc1ab2065942c
MD5 hash:
035849c695991ec1bec09d4cba228f85
SHA1 hash:
fd9f5048a4d7513300793125cd917d869f086a70
Link:
https://www.unpac.me/results/3b0181e7-b809-4c3f-a75b-daa672786e42/
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/3b0181e7-b809-4c3f-a75b-daa672786e42/
SH256 hash:
1479f9b54077e41ce8a3b2a5751ffa67e12bc6a00772135dea03809d33ca3cf5
MD5 hash:
886bdc50093b46d163eb0e095805bba9
SHA1 hash:
151600449911d1dcb223ca3761ff3b718b7f6c06
Link:
https://www.unpac.me/results/3b0181e7-b809-4c3f-a75b-daa672786e42/
SH256 hash:
8b4259a23bb21522d344a17dd5cd24aeecadd275f4d587b44e2b55595381c504
MD5 hash:
96f3811f152e02afb608785714c0a280
SHA1 hash:
080a471ee86b031e4a737d33e684feac12034fef
Link:
https://www.unpac.me/results/3b0181e7-b809-4c3f-a75b-daa672786e42/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8b4259a23bb21522d344a17dd5cd24aeecadd275f4d587b44e2b55595381c504

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

rar 3376a022f30971a09ee62e83c43594266417cca59f9a1e4907b20065457ce792

AgentTesla

Executable exe 8b4259a23bb21522d344a17dd5cd24aeecadd275f4d587b44e2b55595381c504

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3376a022f30971a09ee62e83c43594266417cca59f9a1e4907b20065457ce792
Cape
Cape
https://www.capesandbox.com/analysis/153685/

Comments