MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 117d9bf631aef432fc9ada3abaa89f1ff613a8384cb3acf887b7b903b98a316d. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 117d9bf631aef432fc9ada3abaa89f1ff613a8384cb3acf887b7b903b98a316d
SHA3-384 hash: 39ef6c98d54e2685354936d3f156ec771ffad848e30a8734601a9756888c0635b8b371943d97600fd28dd53a5ad87b5e
SHA1 hash: 9a2abf7917b4ac1609abf36edfd592321e84ce7e
MD5 hash: f87fad1499e2fb8d75138392e9e72db9
humanhash: hamper-berlin-thirteen-uncle
File name:Envío de Orden de Compra No. 00501.pdf________________.exe
Download: download sample
Signature Formbook
File size:651'264 bytes
First seen:2024-08-02 13:49:02 UTC
Last seen:2024-08-08 22:55:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (61 x Formbook, 23 x AgentTesla, 20 x RemcosRAT)
ssdeep 12288:PsHzOUNUSB/o5LsI1uwajJ5yvv1l2JXwB5FUJmk5nELy/uWHN:eiUmSB/o5d1ubcvXBkJPoaV
TLSH T168D42367A5D0DC8DD27127B488768EE696A13670ED923B3D8710F2AF7830352D80779E
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter malwarelabnet
Tags:AgentTesla exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
436
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Envío de Orden de Compra No. 00501.pdf________________.exe
Verdict:
Malicious activity
Analysis date:
2024-08-01 21:36:19 UTC
Tags:
evasion exfiltration stealer agenttesla ftp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
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
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
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 API chain indicative of sandbox detection
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Sigma detected: Suspicious Double Extension File Execution
Switches to a custom stack to bypass stack traces
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 / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-08-01 13:34:35 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access discovery keylogger spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Looks up external IP address via web service
UPX packed file
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Unpacked files
SH256 hash:
6af49952b9691e790468c76b58c2675bfd79d6209ff9c2b2cd607af1f73b8fe4
MD5 hash:
4727aeb844ca4dd986ead7fd9e7fb78b
SHA1 hash:
8ed88cf46862486086cff505f7eaad0a23540f71
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 MALWARE_Win_AgentTeslaV2 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:
80aa47735c2a4cdb2bfff8e3bd68e7bc8a4a3c8a2af92e50917b436588afcee0
MD5 hash:
393fea073777a42d0985bb18875fc038
SHA1 hash:
d9effae2cdc8aa67e952f0b85662dd002c651d7d
Detections:
AutoIT_Compiled
SH256 hash:
117d9bf631aef432fc9ada3abaa89f1ff613a8384cb3acf887b7b903b98a316d
MD5 hash:
f87fad1499e2fb8d75138392e9e72db9
SHA1 hash:
9a2abf7917b4ac1609abf36edfd592321e84ce7e
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:pe_detect_tls_callbacks
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_3
Author:Kevin Falcoz
Description:UPX 3.X
Rule name:upx_largefile
Author:k3nr9

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments