MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0
SHA3-384 hash: 65bdd6c148b2b0d2b9651cef94dfb0860413848f272c186fd9bb60a01d6e5124e3c8417c0a3942842bc8bfba9d41241f
SHA1 hash: a8c84258c43d686a96a8d224c07050ffd59b66eb
MD5 hash: f0b00cc894ce57f24a42273b64a0cc89
humanhash: oregon-sierra-lion-solar
File name:SWIFT 103 202502201417133440 200225.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:980'992 bytes
First seen:2025-02-25 10:55:09 UTC
Last seen:2025-02-26 09:09:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:u6jvmqj0Y92ZjJeFzTTdJzq61pkQeIh94iIfrdKvp42tkMsqOu/SzawlUKk8uC2w:fjdcJeldJ/1WIh9RIfrMvdynqOQzCUK
Threatray 4'834 similar samples on MalwareBazaar
TLSH T16325CF9C7240F58FC80BC9354965EDB0A6102DBB5307D607A5DB3EAFB82D95B8F052B2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon acccfa6692b6a6a2 (5 x Loki, 2 x Formbook, 1 x RemcosRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
552
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
a38eb3edb0310193852ae28fbc1445eefb357afddc5773f6c017897faf26b70f
Verdict:
Malicious activity
Analysis date:
2025-02-25 08:56:17 UTC
Tags:
arch-exec formbook stealer xloader
Link:
https://app.any.run/tasks/8fae15b7-117c-4911-ada9-05217917f0a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bda1f8a0fd713c335cb600
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67bda1a960f4b4f0724c1f8d/reports/faa861d9-08b3-4470-8323-ab00a63445d7/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0
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/683e19b3-ee74-469f-aeda-c0e301ffb68d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1623585
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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 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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1623585 Sample: SWIFT 103 20250220141713344... Startdate: 25/02/2025 Architecture: WINDOWS Score: 100 57 www.misafert.xyz 2->57 59 www.thedronetechhub.shop 2->59 61 5 other IPs or domains 2->61 79 Suricata IDS alerts for network traffic 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 87 15 other signatures 2->87 11 SWIFT 103 202502201417133440 200225.exe 7 2->11         started        15 EBltaCLZHTKi.exe 5 2->15         started        signatures3 85 Performs DNS queries to domains with low reputation 57->85 process4 file5 49 C:\Users\user\AppData\...BltaCLZHTKi.exe, PE32 11->49 dropped 51 C:\Users\...BltaCLZHTKi.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpB278.tmp, XML 11->53 dropped 55 SWIFT 103 20250220...3440 200225.exe.log, ASCII 11->55 dropped 95 Writes to foreign memory regions 11->95 97 Allocates memory in foreign processes 11->97 99 Adds a directory exclusion to Windows Defender 11->99 17 RegSvcs.exe 11->17         started        20 powershell.exe 22 11->20         started        22 schtasks.exe 1 11->22         started        101 Antivirus detection for dropped file 15->101 103 Multi AV Scanner detection for dropped file 15->103 105 Injects a PE file into a foreign processes 15->105 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 77 2 other signatures 17->77 28 explorer.exe 41 1 17->28 injected 73 Loading BitLocker PowerShell Module 20->73 32 WmiPrvSE.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        75 Found direct / indirect Syscall (likely to bypass EDR) 24->75 38 conhost.exe 26->38         started        process9 dnsIp10 63 www.amanda-manopo.info 104.21.45.205, 50005, 80 CLOUDFLARENETUS United States 28->63 65 td-ccm-neg-87-45.wixdns.net 34.149.87.45, 49994, 80 ATGS-MMD-ASUS United States 28->65 107 System process connects to network (likely due to code injection or exploit) 28->107 40 msdt.exe 28->40         started        43 help.exe 28->43         started        signatures11 process12 signatures13 89 Modifies the context of a thread in another process (thread injection) 40->89 91 Maps a DLL or memory area into another process 40->91 93 Tries to detect virtualization through RDTSC time measurements 40->93 45 cmd.exe 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-02-25 05:59:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whkcfw3shw3mf5zjhiwasol3iztxib5k5kdy2jgghmerd3oqy3ia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c
Formbook
732336eccda1e0e01a9474a968eb6ac9725fec8e8e03ad950472df75ba470693
Formbook
93aeb18c52bece32042f39cbce6994036ac8556043fdc335bb3fc1453ce8d74f
Formbook
a1e04def7fd209402cfc002db03fb18c9d8694d6707b4201cbaec8ce3303ff53
Formbook
e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc
Formbook
error
Formbook
+ 4'824 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:3nop discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250225-mz94esvjt2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Scheduled Task/Job: Scheduled Task
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8a6591a7-cfc9-4c9f-a25d-2e9db140bee9
Unpacked files
SH256 hash:
b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0
MD5 hash:
f0b00cc894ce57f24a42273b64a0cc89
SHA1 hash:
a8c84258c43d686a96a8d224c07050ffd59b66eb
Link:
https://www.unpac.me/results/d8f07bff-bfeb-4a9b-9347-fb9a29dbb0d3/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/d8f07bff-bfeb-4a9b-9347-fb9a29dbb0d3/
SH256 hash:
5f6e79be4fae67fd2cf7e74b6ce16454c9fadbbc2301dc96774fc32c79b7b232
MD5 hash:
e596199da9fcd451aaff400a8c5182dd
SHA1 hash:
cb439a24dfe8da781bb7f767d84fe06d5b49d4bb
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/d8f07bff-bfeb-4a9b-9347-fb9a29dbb0d3/
SH256 hash:
74622d50375099d2ce3d8fbd857bd6163ae1083b3b4ab243b9e9c0681f0b6d2c
MD5 hash:
9dd3d8c66e9517f1395e528e9caacba1
SHA1 hash:
1d7cffd8ce762d6bd77719ca1b0d272b7d47d49c
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/d8f07bff-bfeb-4a9b-9347-fb9a29dbb0d3/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1d422db723d/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/b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0

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__API
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: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.

Malspam

Formbook

Executable exe b1d422db723db6c2f7293a2c09397b46677407aaea878d24c63b0911edd0c6d0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high

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