MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0. 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: 19


Intelligence 19 IOCs YARA 17 File information Comments
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SHA256 hash: c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0
SHA3-384 hash: b4c6ce769db98158886b574ddcfbb35b1a9454a47ea0a539cee6901d46d2297df7ec4cd0d6504c80d16fbf8780ad8062
SHA1 hash: 8782a78e6e4fe3c8f4d328e434a685e5d383a8f5
MD5 hash: b27c1ca4c65a3f38a999bdf3b82d5892
humanhash: may-coffee-asparagus-michigan
File name:NUTRIMIX Payment T.Tpdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:688'648 bytes
First seen:2025-05-13 12:31:31 UTC
Last seen:2025-05-13 13:08:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'624 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4vAQ63lX1bD1MMwPf80Cep9dROOtrPrjGP85L0argJL3h+0eQBB6rvd8qncRwJvR:4vAQ63lX1bD1MMwPf80Cep9dROOtrPrL
Threatray 451 similar samples on MalwareBazaar
TLSH T14CE4027537A9D506D9EB0B70AC71D3B40BB4BE8EA812C30B9DE8BEDF34267442512752
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
536
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
NUTRIMIX Payment T.Tpdf.exe
Verdict:
Malicious activity
Analysis date:
2025-05-13 12:34:33 UTC
Tags:
netreactor formbook stealer xloader
Link:
https://app.any.run/tasks/44e5f224-a2eb-41b0-9062-52bbd4e673a7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3329.29130.31561.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68233cc54a59e5a2ce043292
Tags:
spawn shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/68233bee0b64e174c424f8ba/reports/a842dd41-4a56-49ce-a052-4dbd009a3127/overview
Verdict:
Malicious
Labled as:
Dacic.5845.Generic
Link:
https://www.hybrid-analysis.com/sample/c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a75cc23d-0bc3-4dd5-b496-15b80e43f2c7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1688900
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
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: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1688900 Sample: NUTRIMIX Payment T.Tpdf.exe Startdate: 13/05/2025 Architecture: WINDOWS Score: 100 66 www.yk8.xyz 2->66 68 www.aospin-sms.xyz 2->68 70 9 other IPs or domains 2->70 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 82 12 other signatures 2->82 11 NUTRIMIX Payment T.Tpdf.exe 7 2->11         started        15 gVUPUAyKxD.exe 5 2->15         started        17 svchost.exe 2->17         started        signatures3 80 Performs DNS queries to domains with low reputation 68->80 process4 dnsIp5 56 C:\Users\user\AppData\...\gVUPUAyKxD.exe, PE32 11->56 dropped 58 C:\Users\user\AppData\Local\...\tmpE1B3.tmp, XML 11->58 dropped 60 C:\Users\...60UTRIMIX Payment T.Tpdf.exe.log, ASCII 11->60 dropped 94 Adds a directory exclusion to Windows Defender 11->94 20 vbc.exe 11->20         started        23 powershell.exe 23 11->23         started        25 powershell.exe 23 11->25         started        27 schtasks.exe 1 11->27         started        96 Multi AV Scanner detection for dropped file 15->96 29 vbc.exe 15->29         started        31 schtasks.exe 15->31         started        62 127.0.0.1 unknown unknown 17->62 file6 signatures7 process8 signatures9 84 Modifies the context of a thread in another process (thread injection) 20->84 86 Maps a DLL or memory area into another process 20->86 88 Sample uses process hollowing technique 20->88 92 3 other signatures 20->92 33 explorer.exe 52 1 20->33 injected 90 Loading BitLocker PowerShell Module 23->90 37 conhost.exe 23->37         started        39 WmiPrvSE.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 31->45         started        process10 dnsIp11 64 204.79.197.203, 443 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 33->64 72 Uses ipconfig to lookup or modify the Windows network settings 33->72 47 wlanext.exe 33->47         started        50 ipconfig.exe 33->50         started        signatures12 process13 signatures14 98 Modifies the context of a thread in another process (thread injection) 47->98 100 Maps a DLL or memory area into another process 47->100 102 Tries to detect virtualization through RDTSC time measurements 47->102 104 Switches to a custom stack to bypass stack traces 47->104 52 cmd.exe 47->52         started        process15 process16 54 conhost.exe 52->54         started       
Score:
81%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0/
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-05-13 03:11:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ypzz2sm7qwm6acljoim2bqhzwx6zdbelne74v5fl3qgrlpogpxqa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
1cd78b97b2f8e944dc6273a6df40f2e619985c0e0fe2a550abdc1af79cf7a105
Formbook
324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e
Formbook
ca081d2e9e512e1516edc180262c4309dda83ad714a281abd26fc1a658bced01
Formbook
eba602f26ca14d5e494059001ecf363110ba504d9e0184b8abfa45905bd650cc
Formbook
ebc88926926a0e2b3dd6f1a5d4149f561e448d8daa57305ec3bb0a4ba9285bae
Formbook
error
Formbook
+ 441 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bi14 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250513-pqa9vavxb1/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
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
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/43f971c4-841d-4261-9289-a3b206480a7e
Unpacked files
SH256 hash:
e65bc4732f18966eeaba9700bb83489074f63082cf28bc05e90d278a1761ac25
MD5 hash:
f568aa0b7be96ed2102e8de46d59248b
SHA1 hash:
5031c8d479988ff22716c13646fc6ba8cd6a78d8
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/235ae859-54df-4304-9655-def163cb4722/
Parent samples :
eba602f26ca14d5e494059001ecf363110ba504d9e0184b8abfa45905bd650cc
3ff3db68a75d4c52f3910396564f35999b3571ed75850df0c403b851433582ec
285bd22ba49a3de603e9fff856a0bd3111e43629ad29e24bb41178afd93ece23
54f015287731308328345efdc18a593d3b5a57efdd04278efb9da7f5127df37f
ca081d2e9e512e1516edc180262c4309dda83ad714a281abd26fc1a658bced01
c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0
44123cf2ed8f575c4643cacfcd51e18188edeca34b343af433c98ac03fb691ea
76f35c8ecea90bb9709af24f9183489a711f04fc00f26d3cae74fbcdf7bde6c5
d539ab19fd873bd36c22b38f3d8a85683220a7bcce13a9c962652d6165c33c2e
ef9e1440789a46cd00ebe7bde8526eefd00e6d1363299d3ae3c1b01e891d7b35
SH256 hash:
d95af64d63e35a6a0c7962b9cf6a1f359f4588e85985129d0da628eb08dc7d77
MD5 hash:
2080a63b6709fdd1d070de2fd2017ed7
SHA1 hash:
67e0b2512ab173b34ff436e5c42552973ff0277e
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/235ae859-54df-4304-9655-def163cb4722/
Parent samples :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 hash:
c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0
MD5 hash:
b27c1ca4c65a3f38a999bdf3b82d5892
SHA1 hash:
8782a78e6e4fe3c8f4d328e434a685e5d383a8f5
Link:
https://www.unpac.me/results/235ae859-54df-4304-9655-def163cb4722/
SH256 hash:
263a28d4fb8fb6d2f8dfb53fe3feac86fcbd24da2e3f9a36b3cc6de36e3250d9
MD5 hash:
38546b39daf220833ccf24c1306b6049
SHA1 hash:
0de25aab5780dc658791f723dbda40ba8577c8ba
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/235ae859-54df-4304-9655-def163cb4722/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3f39d499f85/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/c3f39d499f8599e009697219a0c0f9b5fd91848b693fcaf4abdc0d15bdc67de0

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

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