MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20351278d8ff0b13f8020dc4984f37bdc9ddf491118ceda41c645e4d57ca7db0. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 20351278d8ff0b13f8020dc4984f37bdc9ddf491118ceda41c645e4d57ca7db0
SHA3-384 hash: 2c8bc5280ef54cc80efcd093fc6845282b23279c0d2c495f42c290bea4d54bccfb1a0646b5eef5f0f6a9d84b23c4f897
SHA1 hash: c96077ebc3845d7ac7772c11e6d783620bc4395b
MD5 hash: 9eccd838d5ad3b2f8930538891cfba34
humanhash: equal-jupiter-orange-eight
File name:Data Sheet.exe
Download: download sample
Signature AgentTesla
File size:1'086'464 bytes
First seen:2022-12-21 00:33:05 UTC
Last seen:2022-12-21 02:30:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:/8tVlEiTznmbmX8cc9gTZJFO3qlTkzuhXLqjljg3R3XR8r4:eEiTz8Hcc+FP2TcXLf
TLSH T17835BF5531B2A0AFF487847254247ECC6D3C7123A3D6E21765373A94A20D4BBFF94EA2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Data Sheet.exe
Verdict:
Malicious activity
Analysis date:
2022-12-21 00:36:18 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
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: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 771050 Sample: Data Sheet.exe Startdate: 21/12/2022 Architecture: WINDOWS Score: 100 39 smtp.yandex.ru 2->39 41 smtp.yandex.com 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 11 other signatures 2->49 8 Data Sheet.exe 7 2->8         started        12 BlcqxN.exe 5 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\BlcqxN.exe, PE32 8->31 dropped 33 C:\Users\user\...\BlcqxN.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\Local\...\tmp9472.tmp, XML 8->35 dropped 37 C:\Users\user\AppData\...\Data Sheet.exe.log, ASCII 8->37 dropped 51 Writes to foreign memory regions 8->51 53 Adds a directory exclusion to Windows Defender 8->53 55 Injects a PE file into a foreign processes 8->55 14 RegSvcs.exe 2 8->14         started        17 powershell.exe 16 8->17         started        19 schtasks.exe 1 8->19         started        57 Antivirus detection for dropped file 12->57 59 Multi AV Scanner detection for dropped file 12->59 61 Machine Learning detection for dropped file 12->61 21 RegSvcs.exe 2 12->21         started        23 schtasks.exe 1 12->23         started        signatures6 process7 signatures8 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->65 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        67 Tries to steal Mail credentials (via file / registry access) 21->67 29 conhost.exe 23->29         started        process9
Threat name:
Win32.Trojan.Taskun
Status:
Malicious
First seen:
2022-12-20 23:07:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
AgentTesla payload
AgentTesla
Unpacked files
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
SH256 hash:
efcc9d9fdd67b605ae6e09ab744f6202f5163b0076e2157420429a3d6ddc460a
MD5 hash:
dab5cf58fdceb4f943fe80e90d78db2b
SHA1 hash:
c32ea826a2ce4d8398114a644f65caabde3cccb6
SH256 hash:
d7aa69201f88150c0d09aab22f3b786e68f864f7bcd28fd33bcbfc65cbaca485
MD5 hash:
a55e39fd09f705fe9742a2ce10ec024a
SHA1 hash:
4037082618f318d8872d90b39c66c49263438a28
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
20351278d8ff0b13f8020dc4984f37bdc9ddf491118ceda41c645e4d57ca7db0
MD5 hash:
9eccd838d5ad3b2f8930538891cfba34
SHA1 hash:
c96077ebc3845d7ac7772c11e6d783620bc4395b
Malware family:
AgentTesla.v3
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments