MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec925875d4a005aa2529d12840e65df77f89049ee47f923657fdbf06dd1100c7. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec925875d4a005aa2529d12840e65df77f89049ee47f923657fdbf06dd1100c7
SHA3-384 hash: 6102750eeb09e6ea609fa77603c633d02848f73188f91b4ed236dd13dc1dc390dffcb829a64ca15d8b4e35debcf133fa
SHA1 hash: f83059446fc88f00c3f81694a751ade54a9c6a3b
MD5 hash: f21651e5a5f498bfd5761ff45dda2944
humanhash: mexico-wolfram-georgia-blue
File name:Scan_P.list & Invoice # 478940489.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:501'248 bytes
First seen:2020-07-29 14:44:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:83vAnlfol0tIOrgQ38Wns4QsWOEkBE+p+8xaRkrUqzJ:KvQfol0aO0e8WsRPgTp+82kzJ
Threatray 10'754 similar samples on MalwareBazaar
TLSH D4B4011BF545935DCC6D8474C5A3D0ACC6A3A83B5640EB46B8DEF36E063C2D2742A89F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: rim-tele.com
Sending IP: 188.128.84.2
From: Bassem  Ghattas <Bassem@beitpharma.com>
Subject: AW: 回复: UB1-1206 Requesting for PI - Evergreen - Confirmed
Attachment: Scan_P.list Invoice 478940489.rar (contains "Scan_P.list & Invoice # 478940489.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35013/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.276.14146.2120.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/402788
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253737 Sample: Scan_P.list & Invoice # 478... Startdate: 30/07/2020 Architecture: WINDOWS Score: 88 40 Yara detected AgentTesla 2->40 42 .NET source code contains potential unpacker 2->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 2->44 46 4 other signatures 2->46 7 Scan_P.list & Invoice # 478940489.exe 7 2->7         started        process3 file4 34 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->34 dropped 36 Scan_P.list & Invo...# 478940489.exe.log, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->38 dropped 50 Injects a PE file into a foreign processes 7->50 11 Scan_P.list & Invoice # 478940489.exe 2 7->11         started        14 cmd.exe 1 7->14         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        signatures5 process6 file7 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        30 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 16->30 dropped 26 conhost.exe 16->26         started        32 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 19->32 dropped 28 conhost.exe 19->28         started        signatures8 process9 signatures10 48 Creates an undocumented autostart registry key 21->48
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ec925875d4a005aa2529d12840e65df77f89049ee47f923657fdbf06dd1100c7/
Threat name:
ByteCode-MSIL.Trojan.SmartAssembly
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 14:46:10 UTC
AV detection:
27 of 48 (56.25%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5sjfq5ouuac2ujjj2euebzs5657ysbe64r7zensx7w7qnxiraddq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'744 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Link:
https://tria.ge/reports/200729-ersacvrj9j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ec925875d4a005aa2529d12840e65df77f89049ee47f923657fdbf06dd1100c7

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

706d86dc519368e8cde0d29e8781ec0e

AgentTesla

Executable exe ec925875d4a005aa2529d12840e65df77f89049ee47f923657fdbf06dd1100c7

(this sample)

  
Dropped by
MD5 706d86dc519368e8cde0d29e8781ec0e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35013/

Comments