MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd6a3ae35b309594eff6b53d3172a1d648a66fbca71fd8438d61d1c5c352a1f6. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash: fd6a3ae35b309594eff6b53d3172a1d648a66fbca71fd8438d61d1c5c352a1f6
SHA3-384 hash: 61091d492a4cb2e13804cfa04de3829daeb7bcebd0d44c1599c942a113bb835d42279346d440b697d00d5c04370ee7e3
SHA1 hash: 7912b03bf207178120d0bd48559779ab0037d67a
MD5 hash: 686148be5f375e74ae974dad8d825b40
humanhash: ceiling-orange-california-emma
File name:Shipping Advice.exe
Download: download sample
Signature Formbook
File size:728'576 bytes
First seen:2024-05-10 11:58:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:2ReLAfP7wDclViZIu6CKPzpBN69dLKAo5SDPFH+fjlYPxSfg00:Q537wDEVb5Lx693zP9SyZP0
Threatray 1'596 similar samples on MalwareBazaar
TLSH T1E1F423A432F4151BC1F4A2BA9DF052D983B5F8237DB8EBC91CB1E5CB0886744976A317
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 30f0ccd4d0c4c4c4 (6 x AgentTesla, 4 x Formbook, 1 x QuasarRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
471
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
fd6a3ae35b309594eff6b53d3172a1d648a66fbca71fd8438d61d1c5c352a1f6.exe
Verdict:
Malicious activity
Analysis date:
2024-05-10 11:59:36 UTC
Tags:
evasion agenttesla stealer

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process with a hidden window
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
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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 packed
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1439589 Sample: Shipping Advice.exe Startdate: 10/05/2024 Architecture: WINDOWS Score: 100 59 mail.kingcocojava.com 2->59 61 ip-api.com 2->61 63 api.ipify.org 2->63 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 15 other signatures 2->77 8 Shipping Advice.exe 7 2->8         started        12 xokDANNekZNnv.exe 5 2->12         started        14 NcnBt.exe 2->14         started        16 NcnBt.exe 2->16         started        signatures3 process4 file5 55 C:\Users\user\AppData\...\xokDANNekZNnv.exe, PE32 8->55 dropped 57 C:\Users\user\AppData\Local\...\tmp3443.tmp, XML 8->57 dropped 93 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->93 95 Adds a directory exclusion to Windows Defender 8->95 97 Injects a PE file into a foreign processes 8->97 18 Shipping Advice.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        99 Multi AV Scanner detection for dropped file 12->99 101 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->101 103 Machine Learning detection for dropped file 12->103 27 xokDANNekZNnv.exe 14 4 12->27         started        29 schtasks.exe 1 12->29         started        31 NcnBt.exe 14->31         started        33 schtasks.exe 14->33         started        35 NcnBt.exe 16->35         started        37 schtasks.exe 16->37         started        signatures6 process7 dnsIp8 65 mail.kingcocojava.com 103.179.86.114, 49705, 49709, 49716 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 18->65 67 ip-api.com 208.95.112.1, 49703, 49708, 49712 TUT-ASUS United States 18->67 69 api.ipify.org 104.26.13.205, 443, 49701, 49707 CLOUDFLARENETUS United States 18->69 51 C:\Users\user\AppData\Roaming\...51cnBt.exe, PE32 18->51 dropped 53 C:\Users\user\...53cnBt.exe:Zone.Identifier, ASCII 18->53 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->79 81 Tries to steal Mail credentials (via file / registry access) 18->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->83 85 Loading BitLocker PowerShell Module 23->85 39 WmiPrvSE.exe 23->39         started        41 conhost.exe 23->41         started        87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->87 43 conhost.exe 25->43         started        45 conhost.exe 29->45         started        47 conhost.exe 33->47         started        89 Tries to harvest and steal ftp login credentials 35->89 91 Tries to harvest and steal browser information (history, passwords, etc) 35->91 49 conhost.exe 37->49         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.IPCheckDCRat
Status:
Malicious
First seen:
2024-05-09 03:01:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
5ebf819cb925c692af0dd37da8c7bce03924989a9bcd51de3f61f1fd6abaae64
MD5 hash:
04d82fa78537ee0689a7a7a89833a60a
SHA1 hash:
bb24c180e323066ba3d72dcb2c315b204b009733
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:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
SH256 hash:
e71ee07fac783f6ffa4f4c235efb3b142a583523f320f77d26ab71c3fdd29780
MD5 hash:
9b09d58ca3c17c6227bdc7eb099e9b7d
SHA1 hash:
70f3b8e0a98302eaa91f4c045b894cb5ee121bc8
SH256 hash:
b61b329b3b25811b2848bf1bdce8a1ade665d37f651fbd5ba81db24645e40ffa
MD5 hash:
8b623647bfa41d6abdb48b28ef4d2a26
SHA1 hash:
1f0a34efe7de31997e5b624684fa895fb8bea41d
SH256 hash:
fd6a3ae35b309594eff6b53d3172a1d648a66fbca71fd8438d61d1c5c352a1f6
MD5 hash:
686148be5f375e74ae974dad8d825b40
SHA1 hash:
7912b03bf207178120d0bd48559779ab0037d67a
Malware family:
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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 artifacts 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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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.

Malspam

Formbook

Executable exe fd6a3ae35b309594eff6b53d3172a1d648a66fbca71fd8438d61d1c5c352a1f6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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