MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments
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SHA256 hash: 44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b
SHA3-384 hash: 7ae6ec152e403542fb54b604c0ca37eac4fcf26eef896cf6ab10610b8e5fd1655c390d410cf14a5bfbfe6fdabb5a0b01
SHA1 hash: f14a9fdcea0b7dca2ed32de8e15424d818e1325a
MD5 hash: 2c338eeb1eee7a1de9a65e6ee70fe4b7
humanhash: vegan-batman-arkansas-november
File name:E-dekont.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:937'472 bytes
First seen:2025-05-30 08:08:28 UTC
Last seen:2025-06-10 11:24:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:HF9VoQLZmb5v0dZyvxCqMLMtSlhYTqtpX0:HBoL5CZXFLM0kaX
TLSH T1EB15C0162BF88617D9AEAAB5D171813597F0F819B26BEB0E0DC0A8F77D977104E01363
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon d4e4f4d4d4d4d4d4 (4 x SnakeKeylogger, 3 x Formbook, 3 x MassLogger)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
464
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
E-dekont.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-05-30 09:00:09 UTC
Tags:
netreactor formbook stealer xloader
Link:
https://app.any.run/tasks/32ff4c13-6ec2-4f7a-862a-85d46006602e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/6341/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3223.9708.2270.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683969f4acf88f5815e8ebab
Tags:
underscore phishing
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade msiexec obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/683967b1e336a33801e096dd/reports/3369490b-841b-4598-a3b9-d35dafaf77bb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80a4a218-c2ec-44b1-86f2-d39fdc2deae4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1702148
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Double Extension File Execution
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses threadpools to delay analysis
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1702148 Sample: E-dekont.pdf.exe Startdate: 30/05/2025 Architecture: WINDOWS Score: 100 35 www.mdgmgmdfm.xyz 2->35 37 www.t402.top 2->37 39 3 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 49 10 other signatures 2->49 11 E-dekont.pdf.exe 4 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 35->47 process4 file5 33 C:\Users\user\...-dekont.pdf.exe.log, ASCII 11->33 dropped 59 Adds a directory exclusion to Windows Defender 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 65 2 other signatures 11->65 15 E-dekont.pdf.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 75 2 other signatures 15->75 20 explorer.exe 37 1 15->20 injected 73 Loading BitLocker PowerShell Module 18->73 22 conhost.exe 18->22         started        24 WmiPrvSE.exe 18->24         started        process9 process10 26 help.exe 20->26         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 57 Switches to a custom stack to bypass stack traces 26->57 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-05-30 08:09:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iq3ezslurjh2ztyzmro3pbuulay75rqkvzmpcdp3aavliokht4nq._file
Verdict:
malicious
Label(s):
unc_loader_037
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formbook
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Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s01s discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250530-j2a6bsen9v/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e5f3fca1-844c-4a47-9649-a24a679ca635
Unpacked files
SH256 hash:
44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b
MD5 hash:
2c338eeb1eee7a1de9a65e6ee70fe4b7
SHA1 hash:
f14a9fdcea0b7dca2ed32de8e15424d818e1325a
Link:
https://www.unpac.me/results/5293bd1b-7711-4d45-9066-c385f02e7046/
SH256 hash:
ff55838cf83322ceab30a512da916f2821181007e95c8fa68674825df8c819b4
MD5 hash:
c9d09ec2449e60042cfc5222e0905ac9
SHA1 hash:
00f21d00230d6595f91ea5c990910f86bbfa44b1
Link:
https://www.unpac.me/results/5293bd1b-7711-4d45-9066-c385f02e7046/
SH256 hash:
4d278f27d8fbc1ebf74c2a9351b4ea504d6936f5d7321e67f84d933025cacbc9
MD5 hash:
872eda9c6e48fba816275181423f629e
SHA1 hash:
a17b89e4468e9494f0e9a2b12634052f25925ee4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/5293bd1b-7711-4d45-9066-c385f02e7046/
SH256 hash:
44844888cd172e71a184e40bd12fa2d2a5089b2c6de1189ed8adc88f9fed6c20
MD5 hash:
194ef4ab803af02141f1ffa85c91e7ea
SHA1 hash:
514c84994c895b810905687ceadc1c787c64b2ad
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/5293bd1b-7711-4d45-9066-c385f02e7046/
Parent samples :
1a7f0d9842f11511d2b604c123882d5b998afc6d51cb958546eff332a86e5f0a
44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44364cc9748a/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/44364cc9748a4faccf19645db786945831fec60aae58f10dfb002ab439479f1b

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:NET
Create hunting rule
Author:malware-lu
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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/6341/

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

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