MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de4d5fe6b3744b36652a30941937268460a66533be8cdc57051e9b3b64a746b3. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de4d5fe6b3744b36652a30941937268460a66533be8cdc57051e9b3b64a746b3
SHA3-384 hash: 355e2e78888e8614f9935abdc5881ec5beee1b7916bd90a853895dae3d70aa4298f1979af71dcbe3232e6a8b77b2fef6
SHA1 hash: d81a4d4d695aac7292ffdfc40ea73b460f36f69b
MD5 hash: 1fb08d03c89e54739534bdb13b3b4bda
humanhash: mockingbird-island-cold-mississippi
File name:20231104_1C23TTS_00000246.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'262'080 bytes
First seen:2023-04-11 10:27:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:eLDIv51o7LKvFdmEL9FVQZxkpHCr7OXLm9cIgDFqBjYxpGoinImLt8DNPWaRtFuq:eLGbi8FrDGhOk+7gEjzrJji7A
Threatray 1'298 similar samples on MalwareBazaar
TLSH T1CC45392439FA501AB173EFAA8BE475E6DA6FB7733B07645D1050038A4723A41DEC153E
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
234
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20231104_1C23TTS_00000246.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 10:33:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/02b40b77-bdb3-4cda-a59f-56c40635f5bb

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/381407/
Detection(s):
SecuriteInfo.com.Variant.Ser.Tedy.4263.8519.25308.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/64353633c41e8bc6a3b0e335/reports/39456fb6-377a-4eb6-8f65-0c8e14d339ea/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/de4d5fe6b3744b36652a30941937268460a66533be8cdc57051e9b3b64a746b3
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1d5f47f3-15c8-4778-91e6-9e773e11436c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211688
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Drops PE files with benign system names
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Schedule system process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 844601 Sample: 20231104_1C23TTS_00000246.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected FormBook 2->70 72 7 other signatures 2->72 8 20231104_1C23TTS_00000246.exe 1 7 2->8         started        12 svchost.exe 2 2->12         started        15 svchost.exe 2 2->15         started        17 svchost.exe 2 2->17         started        process3 dnsIp4 60 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 8->60 dropped 62 C:\...\20231104_1C23TTS_00000246.exe.log, CSV 8->62 dropped 92 Drops PE files with benign system names 8->92 19 cmd.exe 1 8->19         started        21 cmd.exe 1 8->21         started        64 192.168.2.1 unknown unknown 12->64 94 Writes to foreign memory regions 12->94 96 Injects a PE file into a foreign processes 12->96 24 netsh.exe 12->24         started        26 aspnet_regiis.exe 12->26         started        34 13 other processes 12->34 98 Multi AV Scanner detection for dropped file 15->98 100 Machine Learning detection for dropped file 15->100 102 Uses netsh to modify the Windows network and firewall settings 15->102 28 AddInUtil.exe 17->28         started        30 ngentask.exe 17->30         started        32 CasPol.exe 17->32         started        36 6 other processes 17->36 file5 signatures6 process7 signatures8 38 svchost.exe 3 19->38         started        41 conhost.exe 19->41         started        43 timeout.exe 1 19->43         started        80 Uses schtasks.exe or at.exe to add and modify task schedules 21->80 45 conhost.exe 21->45         started        47 schtasks.exe 1 21->47         started        82 Modifies the context of a thread in another process (thread injection) 24->82 84 Maps a DLL or memory area into another process 24->84 86 Queues an APC in another process (thread injection) 24->86 49 explorer.exe 1 24->49 injected process9 signatures10 88 Writes to foreign memory regions 38->88 90 Injects a PE file into a foreign processes 38->90 51 AddInProcess32.exe 38->51         started        54 aspnet_regsql.exe 38->54         started        56 WsatConfig.exe 38->56         started        58 6 other processes 38->58 process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 51->74 76 Maps a DLL or memory area into another process 51->76 78 Sample uses process hollowing technique 51->78
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/de4d5fe6b3744b36652a30941937268460a66533be8cdc57051e9b3b64a746b3/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2023-04-11 00:27:24 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zgv7zvtorftmzjkgckbsnzgqrqkmzjtx2gnyvyfd2ntwzfhi2zq._file
Verdict:
malicious
Similar samples:
2267fac6e4bcace94d9ed232cc4ba7e128424e80c5730ea38f23610c11bdc168
Formbook
28ff484ca36b3a1f5d7f59a25e947e9a6b12ca34214f9bcfca01cee5745e6b6a
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37eda95e8e4f33010283becccc7313f454f1c34e28f30999f3ec643f73b68d4e
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529ebe4ffb398f3610005b26f83941e754add3685be6f8846515e105b5765fab
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6159a8ba420cbed9d0ca9abb371cd8b1e600c0e2fd7763f32cec6917605d51d9
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930a63282cb708987359d4c68a18b8d31ce83bd112bb792ecd803556714741d6
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a4b88076b93151b45a51e3d53b71a107b64470b2276f65ebbb9297380d37f3c5
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d69974ab2591e06f55c58786be3fc436fe992c501dd37724869747e2369c909d
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ed6e2f3fdad9004e984881db746a5188169933d73c1b8f3cc5a3cf87c1263149
Formbook
fb8fdb08cf7984a3bac0cc7daeea3790a92306467543cf556945fc479a165dd8
Formbook
+ 1'288 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230411-mhm8bsbh22/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
de4d5fe6b3744b36652a30941937268460a66533be8cdc57051e9b3b64a746b3
MD5 hash:
1fb08d03c89e54739534bdb13b3b4bda
SHA1 hash:
d81a4d4d695aac7292ffdfc40ea73b460f36f69b
Link:
https://www.unpac.me/results/52bddf35-67cd-4e7e-9a91-57d972371b0a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/de4d5fe6b374/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/de4d5fe6b3744b36652a30941937268460a66533be8cdc57051e9b3b64a746b3

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:pdb_YARAify
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Author:@wowabiy314
Description:PDB

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe de4d5fe6b3744b36652a30941937268460a66533be8cdc57051e9b3b64a746b3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381407/

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