MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb17c6742f788e0cdd2f46f25f578792ae2518c895f473cd00cf456f2502306c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb17c6742f788e0cdd2f46f25f578792ae2518c895f473cd00cf456f2502306c
SHA3-384 hash: 9311223df8a49c89af73180a99d1c3b78c0729d59d0bb804b3f6b7534a2eab0661fa9a14ca9477c1b3c871885a7a52fc
SHA1 hash: 573a24d35abfdfcb30d4d73b7db2be83d99cc6db
MD5 hash: cc2a2b3dd2b76285a525fce60d2ec4cc
humanhash: robin-hawaii-mars-north
File name:RICHIESTA DI OFFERTA_pdf.bin
Download: download sample
Signature AgentTesla
Create hunting rule
File size:933'888 bytes
First seen:2020-10-05 11:33:45 UTC
Last seen:2020-10-05 11:34:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:GHHf52HrViUMWthudrtvK7+PONl/NWaDo+WMbfez8kJOsjQEuREFd7OwBL8caH4J:VVzMEudrtS722/NR0+WuWzxOAa2
TLSH A2159CAD32507ADFC997CC36CA64AD64EB206466930BD203902315ECAE1DB97EF141F7
Reporter JAMESWT_WT
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68151/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/481306
Signature
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 harvest and steal browser information (history, 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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 293096 Sample: RICHIESTA DI OFFERTA_pdf.bin Startdate: 05/10/2020 Architecture: WINDOWS Score: 100 26 Multi AV Scanner detection for dropped file 2->26 28 Sigma detected: Scheduled temp file as task from temp location 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 6 other signatures 2->32 7 RICHIESTA DI OFFERTA_pdf.exe 6 2->7         started        process3 file4 20 C:\Users\user\AppData\...\bDBJwRcfPGALl.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmpE2FD.tmp, XML 7->22 dropped 24 C:\Users\...\RICHIESTA DI OFFERTA_pdf.exe.log, ASCII 7->24 dropped 34 Writes to foreign memory regions 7->34 36 Allocates memory in foreign processes 7->36 38 Injects a PE file into a foreign processes 7->38 11 RegSvcs.exe 4 7->11         started        14 RegSvcs.exe 7->14         started        16 schtasks.exe 1 7->16         started        signatures5 process6 signatures7 40 Tries to steal Mail credentials (via file access) 11->40 42 Tries to harvest and steal browser information (history, passwords, etc) 11->42 44 Installs a global keyboard hook 11->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->48 18 conhost.exe 16->18         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb17c6742f788e0cdd2f46f25f578792ae2518c895f473cd00cf456f2502306c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-05 11:10:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zml4m5bppchazxjpi3zf6v4hskxckggisx2hhtiaz5cw6jicgbwa._file
Verdict:
unknown
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/201005-xrdfm9xtse/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
cb17c6742f788e0cdd2f46f25f578792ae2518c895f473cd00cf456f2502306c
MD5 hash:
cc2a2b3dd2b76285a525fce60d2ec4cc
SHA1 hash:
573a24d35abfdfcb30d4d73b7db2be83d99cc6db
Link:
https://www.unpac.me/results/6ff833b3-df49-431d-8045-089d7bea2848/
SH256 hash:
d1a1ce502e5a28b9f086d51ca54ce8d81c19c262fd5e06857e7219be85428328
MD5 hash:
89894fda62bbc805ea3921d9fc645625
SHA1 hash:
2b3cc63f8b63dce1c76ae6c1b0fd7c8a8240564a
Link:
https://www.unpac.me/results/6ff833b3-df49-431d-8045-089d7bea2848/
SH256 hash:
edc51c8693757ecc26a576bb7993b9aabb7b23735b1e673723a6deeb008505c3
MD5 hash:
ca36c4361fa7a5a1dda98b55b13f81cf
SHA1 hash:
7c35ec777bec1a9e34e9fcf5f4bbf909fc2d0958
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/6ff833b3-df49-431d-8045-089d7bea2848/
Parent samples :
cb17c6742f788e0cdd2f46f25f578792ae2518c895f473cd00cf456f2502306c
69c3795f077c95d2059b048fac8070021c5e7a984c3cd388bfbfa609ae265353
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/6ff833b3-df49-431d-8045-089d7bea2848/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cb17c6742f788e0cdd2f46f25f578792ae2518c895f473cd00cf456f2502306c

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_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
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.

Cape
Cape
https://www.capesandbox.com/analysis/68151/

Comments