MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da40689154fc12d96ac9859396fc1820973cec02182de34982f84735a29e9e64. 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 20 File information Comments
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SHA256 hash: da40689154fc12d96ac9859396fc1820973cec02182de34982f84735a29e9e64
SHA3-384 hash: dced8c45e1adbd896ffd19895dea52cb6a03c899f013b1f7fdc04d86f3edeade64235758b71cf5db6e7c1fdbc39aa561
SHA1 hash: d5ccf86021a2c5e95a5fc9d87b68a10a21e9ef84
MD5 hash: dc93057f618b485536c1be36589d98ef
humanhash: ack-uniform-ten-solar
File name:BL-#0248-7110.pdf.exe
Download: download sample
Signature Formbook
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File size:967'371 bytes
First seen:2024-02-13 14:11:26 UTC
Last seen:2024-02-13 15:26:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 12288:2hkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aKY/0DnmiwK0T7l/zA3F:mRmJkcoQricOIQxiZY1iaZiRch/zA1
TLSH T14E25B021B9D58C36C2F322B05D7EF76A563969260332D19B37F43925ED710426F2AB23
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon ecd8f0e88cb6aaa2 (2 x AgentTesla, 1 x RemcosRAT, 1 x Formbook)
Reporter malwarelabnet
Tags:AgentTesla exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
294
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
AgentTesla
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Link:
https://www.capesandbox.com/analysis/475999/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.10017.29082.UNOFFICIAL
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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
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/65cb78bc90a5367ac0c2f47b/reports/024c1e80-d393-4a7b-8206-7d29e021ba7b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/da40689154fc12d96ac9859396fc1820973cec02182de34982f84735a29e9e64
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/bfe55235-9011-48fb-8f4a-4bb0a4c96ef0
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1391472
Signature
Antivirus detection for URL or domain
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
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 domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious Double Extension File Execution
Snort IDS alert for network traffic
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/da40689154fc12d96ac9859396fc1820973cec02182de34982f84735a29e9e64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da40689154fc12d96ac9859396fc1820973cec02182de34982f84735a29e9e64/
Threat name:
Win32.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-02-12 22:04:10 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jagreku7qjns2wjqwjzn7ayecltz3acdaw6gsmc7bdtliu6tzsa._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240213-rht34abg4y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
33a7df2807036a7086b46dde88e6615ce70e29c7b2509ded9ea0df1ab62118d5
MD5 hash:
84fff5dc052a3c2f3f475c4bb25d06e7
SHA1 hash:
f102f0876683e2098c5e70025c7599691ede8966
Detections:
AgentTesla
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win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/e2da9300-bbc6-4135-a831-8fce9191f647/
Parent samples :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 hash:
da40689154fc12d96ac9859396fc1820973cec02182de34982f84735a29e9e64
MD5 hash:
dc93057f618b485536c1be36589d98ef
SHA1 hash:
d5ccf86021a2c5e95a5fc9d87b68a10a21e9ef84
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/e2da9300-bbc6-4135-a831-8fce9191f647/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da40689154fc/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/da40689154fc12d96ac9859396fc1820973cec02182de34982f84735a29e9e64

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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AutoIt
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Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
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Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
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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
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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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
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_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

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/475999/

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