MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments
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SHA256 hash: 314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3
SHA3-384 hash: 6da4916b8014b25315316041ebfbc1bc595a6a69e4aaf67fc4ff11d9d0e2fe14c983f0d64c2a216bd291bb8be7ae5a98
SHA1 hash: e7b57112f18b0b2bfba4ec8ca5e648ba2fae026b
MD5 hash: 41f77d343c8eacf72e96bf5245382529
humanhash: uncle-mexico-item-football
File name:PDF Satın Alma Siparişi PO.02024.pdf.exe
Download: download sample
Signature Formbook
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File size:701'952 bytes
First seen:2024-02-13 13:44:31 UTC
Last seen:Never
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:a4BEagkvAJN96eZWREEc2VhcdzVQt6nOxW1XNqzCrKJFEKgvynvE9Qb2iNT:aMEa5LEGaKt6nOcvq+KJFzgv0Eqb1
TLSH T125E4226216B80B13D6FBDBF10991085263FDB226A543F7AA5DD431ED2422F478612AF3
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 3b79097947831b0b (3 x Formbook, 2 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3.exe
Verdict:
Malicious activity
Analysis date:
2024-02-13 13:56:56 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/27a366e4-3d91-4115-94bb-89acfc7768e5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3
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/66614116-61cf-4bcd-9b65-94ac85826ec0
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1391444
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
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)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391444 Sample: PDF Sat#U0131n Alma Sipari#... Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 42 us2.smtp.mailhostbox.com 2->42 44 ip-api.com 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 17 other signatures 2->56 8 sihJYv.exe 5 2->8         started        11 PDF Sat#U0131n Alma Sipari#U015fi PO.02024.pdf.exe 10 2->11         started        signatures3 process4 file5 58 Multi AV Scanner detection for dropped file 8->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 62 Machine Learning detection for dropped file 8->62 64 Injects a PE file into a foreign processes 8->64 14 sihJYv.exe 8->14         started        17 schtasks.exe 8->17         started        38 C:\Users\user\AppData\Roaming\sihJYv.exe, PE32 11->38 dropped 40 C:\Users\user\AppData\Local\...\tmp4DCE.tmp, XML 11->40 dropped 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->66 68 Adds a directory exclusion to Windows Defender 11->68 19 PDF Sat#U0131n Alma Sipari#U015fi PO.02024.pdf.exe 15 2 11->19         started        22 powershell.exe 22 11->22         started        24 powershell.exe 21 11->24         started        26 5 other processes 11->26 signatures6 process7 dnsIp8 70 Tries to steal Mail credentials (via file / registry access) 14->70 72 Tries to harvest and steal browser information (history, passwords, etc) 14->72 28 conhost.exe 17->28         started        46 ip-api.com 208.95.112.1, 49702, 49706, 80 TUT-ASUS United States 19->46 48 us2.smtp.mailhostbox.com 208.91.198.143, 49704, 49707, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->48 30 conhost.exe 22->30         started        32 WmiPrvSE.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3/
Threat name:
Win32.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-02-12 23:41:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gffirskie4flvv3mcpaolaagqpgmpa4s73msm46fbykkvttvo3zq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240213-q2el3sbc7y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
b67fd79a0a14d5e3aca0367018b70a4afb20fa26970a6780af57de49d40f5a29
MD5 hash:
26263d1e27d175692315f40959a38c85
SHA1 hash:
7d54b2a9dfca5897d9bb00b4a6a01b2e26a134c8
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
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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/82d3229f-833b-4a2e-8564-7241f3ffcfea/
Parent samples :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 hash:
06b3629736ee2e93ecbba8295e84ba63fbddd69d34959fcb77f82db15be076c0
MD5 hash:
2a316dc8b9b4dc606518dd62da0b03cc
SHA1 hash:
24387cc2d5d77a3f403e16fb65e5bb1681da53a3
Link:
https://www.unpac.me/results/82d3229f-833b-4a2e-8564-7241f3ffcfea/
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
Link:
https://www.unpac.me/results/82d3229f-833b-4a2e-8564-7241f3ffcfea/
SH256 hash:
862769872b9c9e09e3bf2b7de6e25680364d32e2d57a9e176d0fbc64f0ad107b
MD5 hash:
9b8c24b2db6130d7bc8b801ccc9eeb8a
SHA1 hash:
05691fb02b2760d91004ac83b5a99662feb5dad7
Link:
https://www.unpac.me/results/82d3229f-833b-4a2e-8564-7241f3ffcfea/
SH256 hash:
314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3
MD5 hash:
41f77d343c8eacf72e96bf5245382529
SHA1 hash:
e7b57112f18b0b2bfba4ec8ca5e648ba2fae026b
Link:
https://www.unpac.me/results/82d3229f-833b-4a2e-8564-7241f3ffcfea/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/314a88c94827/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/314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3

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:DebuggerCheck__RemoteAPI
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
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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
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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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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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:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
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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.

Malspam

Formbook

Executable exe 314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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