MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dca9d727db76dbb43b69e5ea1911861bfdc0aa9e13b954da78bcf2a36a92a9b3. 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



Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 15 File information Comments

SHA256 hash: dca9d727db76dbb43b69e5ea1911861bfdc0aa9e13b954da78bcf2a36a92a9b3
SHA3-384 hash: 7ac2b9a04cbae2265d489c97dc4841b8beab5109b942586e8588403a37bc572008c1e608b738e95d2ad13e0d0dd25ab9
SHA1 hash: e73d473568ddf632d898f286967d26e75b298f3d
MD5 hash: b665055897fc3b8a557568abc0d1df34
humanhash: five-six-crazy-lemon
File name:DHL - PAYMENT REQUIRED - 1003671162.exe
Download: download sample
Signature Formbook
File size:925'696 bytes
First seen:2023-12-05 07:16:45 UTC
Last seen:2023-12-11 13:22:47 UTC
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:ahl5nF8/VdqrlbjGIHcSY8/TJGxE05hCr0Dr6zz/rTWrRREeeM5QlaBNdoP7r9ry:0l+qhbjGn+/1Ga05BDm3rYRR+so1q
TLSH T1E115DEC5E5886AA5DD6DAB316A32CC3042237DBD6874D51C28DE3E6B3BFB3931025523
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
6
# of downloads :
314
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
DHL - PAYMENT REQUIRED - 1003671162.exe
Verdict:
Malicious activity
Analysis date:
2023-12-05 07:43:25 UTC
Tags:
evasion stealer agenttesla

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

Behaviour
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
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 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
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: 1353782 Sample: DHL_-_PAYMENT_REQUIRED_-_10... Startdate: 05/12/2023 Architecture: WINDOWS Score: 100 40 premium184.web-hosting.com 2->40 42 ip-api.com 2->42 44 2 other IPs or domains 2->44 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->56 58 11 other signatures 2->58 8 DHL_-_PAYMENT_REQUIRED_-_1003671162.exe 7 2->8         started        12 hjaFQBlmQBGbJ.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\hjaFQBlmQBGbJ.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp1182.tmp, XML 8->38 dropped 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Writes to foreign memory regions 8->64 72 2 other signatures 8->72 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 70 Allocates memory in foreign processes 12->70 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 api4.ipify.org 64.185.227.156, 443, 49734, 49737 WEBNXUS United States 14->46 48 ip-api.com 208.95.112.1, 49735, 49738, 80 TUT-ASUS United States 14->48 50 premium184.web-hosting.com 162.0.215.22, 49736, 49739, 587 ACPCA Canada 14->50 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->74 76 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->78 80 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->80 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        82 Tries to steal Mail credentials (via file / registry access) 24->82 84 Tries to harvest and steal browser information (history, passwords, etc) 24->84 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-05 03:20:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
4a35390eaa5a0b63a425e13d7f9cc53c434974518588b90db938c68fd4bd4cd4
MD5 hash:
a7f90e9b2e52a930225bf7348deb9646
SHA1 hash:
fe62a037af9e65a088b98591255e075d7fdf48ce
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
e5dc9a684bac968649663d56a80a288926c64a2ea1081116afad79d2b4cf7e5a
MD5 hash:
eec07b43758776b2814552cd754eb72d
SHA1 hash:
2737acd47ba8ddf035d2f70f1a72bb77d1e89287
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
f624b736d4e73fc6a117b0b76f85ca6454fd22df411bbc782cfeefee76face67
MD5 hash:
7afb66cc49dee9a33197d852b740e3cc
SHA1 hash:
0cd4b97f6f6cc2521db268dda90244ea45a58630
SH256 hash:
dca9d727db76dbb43b69e5ea1911861bfdc0aa9e13b954da78bcf2a36a92a9b3
MD5 hash:
b665055897fc3b8a557568abc0d1df34
SHA1 hash:
e73d473568ddf632d898f286967d26e75b298f3d
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Malspam

Formbook

Executable exe dca9d727db76dbb43b69e5ea1911861bfdc0aa9e13b954da78bcf2a36a92a9b3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments