MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments
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SHA256 hash: 737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
SHA3-384 hash: 5428f9a01f4a80c37b33bb442c6f49693fea1c74415bc8b9e4e369b19eacde6e5f832205f1697774adaa34aa4d81b1ce
SHA1 hash: b3f0ee363e1f8e2336d20d5eb127e0fb4a8fecad
MD5 hash: f658555b9922ffdbadcf27a7cf6a6338
humanhash: robin-uniform-july-wolfram
File name:DHL Delivery Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:872'960 bytes
First seen:2024-05-16 15:40:43 UTC
Last seen:2024-05-16 16:35:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:zmeb4lTN8+WgtV3+vlpu2ostSDuFMd/GlPb:zv4lq6lss23tSTd/GlP
TLSH T10F05E004A2BBAF49DB7C13F950225C2403B0A29B747EE39B5FD270EE1965BC08C65B57
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 16:28:57 UTC
Tags:
evasion smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/4978465f-237f-4d7b-9817-5e04a2667bcd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2844.28692.31895.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed
Link:
https://www.filescan.io/uploads/66462915bc04dffa921c17eb/reports/32bca9a8-9900-4e00-bb15-f44e247adf57/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
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.
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e27a9d10-4875-4368-ac8f-334239392445
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442792
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442792 Sample: DHL Delivery Invoice.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 44 smtp.yandex.com 2->44 46 smtp.yandex.ru 2->46 48 api.ipify.org 2->48 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 15 other signatures 2->60 8 CbRuDkAHPqI.exe 5 2->8         started        11 DHL Delivery Invoice.exe 7 2->11         started        signatures3 process4 file5 62 Antivirus detection for dropped file 8->62 64 Multi AV Scanner detection for dropped file 8->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->66 68 Machine Learning detection for dropped file 8->68 14 CbRuDkAHPqI.exe 8->14         started        17 schtasks.exe 8->17         started        19 CbRuDkAHPqI.exe 8->19         started        40 C:\Users\user\AppData\...\CbRuDkAHPqI.exe, PE32 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmp6A7E.tmp, XML 11->42 dropped 70 Adds a directory exclusion to Windows Defender 11->70 21 DHL Delivery Invoice.exe 15 2 11->21         started        24 powershell.exe 23 11->24         started        26 powershell.exe 23 11->26         started        28 schtasks.exe 1 11->28         started        signatures6 process7 dnsIp8 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->72 74 Tries to steal Mail credentials (via file / registry access) 14->74 76 Tries to harvest and steal ftp login credentials 14->76 78 Tries to harvest and steal browser information (history, passwords, etc) 14->78 30 conhost.exe 17->30         started        50 smtp.yandex.ru 77.88.21.158, 49709, 49711, 49719 YANDEXRU Russian Federation 21->50 52 api.ipify.org 104.26.13.205, 443, 49707, 49710 CLOUDFLARENETUS United States 21->52 80 Installs a global keyboard hook 21->80 82 Loading BitLocker PowerShell Module 24->82 32 conhost.exe 24->32         started        34 WmiPrvSE.exe 24->34         started        36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 00:08:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=on6wzt3arijo5z22ari3cc4yfw3ua2rzgcyhaoiqhzsiakz6to6q._file
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240516-s4rersbe6z/
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
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
d2d0d779618d505c4676b817f8c220f29f839647bee682ffb9bf5e7858b06e39
MD5 hash:
efdb3c61d7da9ae3f71b37fa7a955eb9
SHA1 hash:
e46f14172a166c8cf33cbddb46ca04312ec139fc
Link:
https://www.unpac.me/results/7d8c64c5-7c19-417b-acf0-8cb7d87e9555/
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/7d8c64c5-7c19-417b-acf0-8cb7d87e9555/
SH256 hash:
0ef54afd49a80e63f5b2acd62079097baa977d9df3a16b3ad619b7844fd282f9
MD5 hash:
f9e58f0b812466dc9cf4f7ac3e2adbdd
SHA1 hash:
9fc99baf2211ee0b4fc05982fef7c05dd5d50dab
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/7d8c64c5-7c19-417b-acf0-8cb7d87e9555/
Parent samples :
20af9647533387955b0e76521083ccb4b141999e61fbfc601bb0d1400c8962e0
737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
e3bfec7bab88ff2b0389ee7850b548413607b9074912eca507c09737d93d3a14
2009ac39a5ed9bb927bb38b35db885425a7c40b95318efa020d4660c4c37ba26
b6d7a0644eb168856fec62e2958b076f7230dafcd655b14f53b3f5813e7cfd62
d094541214cfd198a1fdc69f068681427c9143ce04a25aeb2a64a807195bcb4a
dd44b67e26093ebcc06c8af57d00738c4068630e2e55752507d36213fe015abe
SH256 hash:
975a454835e031a37b391a66f6fb5fd697ae369e501c6f2bce06af22a86dd2a2
MD5 hash:
fb7d3a274f7889af43e90cc2f6662d08
SHA1 hash:
68afefe7db5930e27e6f4fa9685f299bcab74277
Link:
https://www.unpac.me/results/7d8c64c5-7c19-417b-acf0-8cb7d87e9555/
SH256 hash:
737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
MD5 hash:
f658555b9922ffdbadcf27a7cf6a6338
SHA1 hash:
b3f0ee363e1f8e2336d20d5eb127e0fb4a8fecad
Link:
https://www.unpac.me/results/7d8c64c5-7c19-417b-acf0-8cb7d87e9555/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/737d6ccf608a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments