MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02. 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 4 File information Comments
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SHA256 hash: 1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02
SHA3-384 hash: d44f429db25f31b489976d3f0feadea8c6102fff01606f8681c627e0d2c204b0b92997f494be0a609b245552cd371df8
SHA1 hash: 63dc36cb6a78178cb1a87b71b3de1697992ef1c5
MD5 hash: 81843ef4554ae5a18fb9dea8ed99d718
humanhash: ten-zebra-oven-hamper
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:754'688 bytes
First seen:2025-02-12 11:36:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:k8HdwSiLFw83QnFkuCUrwkb7WSA60IuZvuLoty0VC2/iHzKo4/7xefpPS:k89x1mQnFku91nLT0h5uR2/YzetehPS
Threatray 4'192 similar samples on MalwareBazaar
TLSH T1EFF4BEC43B29AB02DD7957F18535ED7513FA2CAAB010F5961ED63BCBB8A97011A08F13
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
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
498
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2025-02-12 11:38:17 UTC
Tags:
formbook stealer
Link:
https://app.any.run/tasks/ced7969d-9afb-4fbb-8b05-e8e323e4a448

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3224.31669.5174.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ac87b24f5583c4c4d86177
Tags:
stration shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ac87adc0f303a5682e2fb8/reports/23154708-8ddc-480c-8b7b-8a0802fa2278/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02
Result
Verdict:
UNKNOWN
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/dfb0813b-2eec-4532-9820-672a363df738
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1613051
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 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
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: Rundll32 Execution Without CommandLine Parameters
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 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: 1613051 Sample: Quotation.exe Startdate: 12/02/2025 Architecture: WINDOWS Score: 100 60 www.omentumvale.xyz 2->60 62 www.lume-network-claims.xyz 2->62 64 10 other IPs or domains 2->64 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 88 10 other signatures 2->88 11 Quotation.exe 7 2->11         started        15 xLzBplkccNT.exe 5 2->15         started        signatures3 86 Performs DNS queries to domains with low reputation 62->86 process4 file5 52 C:\Users\user\AppData\...\xLzBplkccNT.exe, PE32 11->52 dropped 54 C:\Users\...\xLzBplkccNT.exe:Zone.Identifier, ASCII 11->54 dropped 56 C:\Users\user\AppData\Local\...\tmpF13E.tmp, XML 11->56 dropped 58 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 11->58 dropped 96 Uses schtasks.exe or at.exe to add and modify task schedules 11->96 98 Adds a directory exclusion to Windows Defender 11->98 100 Tries to detect virtualization through RDTSC time measurements 11->100 17 Quotation.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 21 11->22         started        28 2 other processes 11->28 102 Multi AV Scanner detection for dropped file 15->102 104 Injects a PE file into a foreign processes 15->104 106 Switches to a custom stack to bypass stack traces 15->106 24 xLzBplkccNT.exe 15->24         started        26 schtasks.exe 15->26         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 17->68 70 Maps a DLL or memory area into another process 17->70 72 Sample uses process hollowing technique 17->72 74 Queues an APC in another process (thread injection) 17->74 30 explorer.exe 63 1 17->30 injected 76 Loading BitLocker PowerShell Module 20->76 33 conhost.exe 20->33         started        35 WmiPrvSE.exe 20->35         started        37 conhost.exe 22->37         started        78 Found direct / indirect Syscall (likely to bypass EDR) 24->78 39 conhost.exe 26->39         started        41 conhost.exe 28->41         started        process9 dnsIp10 66 k-studio.tech 84.32.84.32, 50007, 80 NTT-LT-ASLT Lithuania 30->66 43 rundll32.exe 30->43         started        46 cmmon32.exe 30->46         started        process11 signatures12 90 Modifies the context of a thread in another process (thread injection) 43->90 92 Maps a DLL or memory area into another process 43->92 94 Tries to detect virtualization through RDTSC time measurements 43->94 48 cmd.exe 43->48         started        process13 process14 50 conhost.exe 48->50         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-02-12 11:37:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dwaqb5ybqqubygwifioahs72fcght7ubr4l52zqhc2qvckdn7yba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc
Formbook
1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02
Formbook
72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52
Formbook
8d68ad78eb364b147233b29bbeab6309a47289090ca2672e90fb299a37111f62
Formbook
df5d6ebc3b4ec456ec22620759160aaed495836114a4b5abd38845439f67b46d
Formbook
e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc
Formbook
error
Formbook
+ 4'182 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b202 discovery execution persistence privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/250212-nqplsszjep/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks installed software on the system
Checks computer location settings
Deletes itself
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Boot or Logon Autostart Execution: Active Setup
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1f82171f-6471-4a99-adce-d2f496044e52
Unpacked files
SH256 hash:
1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02
MD5 hash:
81843ef4554ae5a18fb9dea8ed99d718
SHA1 hash:
63dc36cb6a78178cb1a87b71b3de1697992ef1c5
Link:
https://www.unpac.me/results/90c53deb-8306-46a6-a23b-83dae461468b/
SH256 hash:
eeb128f49fb979fddb698cf52edbb7f6ea0f29c7cfede815b49a156b3cd5954c
MD5 hash:
24d0d54ee80537caec793bf61dfb085b
SHA1 hash:
64a98aa975d159a427a5747a844eb0088ce3c3fe
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/90c53deb-8306-46a6-a23b-83dae461468b/
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
Link:
https://www.unpac.me/results/90c53deb-8306-46a6-a23b-83dae461468b/
SH256 hash:
58905bdfa9dfd2efe78d0241b4baf6354a3521f225954ccb27d61607897ca1d2
MD5 hash:
d0bbcd6b5cb2477aa27d78d66336107c
SHA1 hash:
98610fffdd1159851fbd3d166033905aff26747c
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/90c53deb-8306-46a6-a23b-83dae461468b/
Parent samples :
1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02
bcd0185dc4996f731ef44c4964b0ed36dcf1df8aef3d1c608425603c27e862c2
c7504e19276343cc24118b10ed938822f791425e06c4e1865101c5446eaea08d
b50e43fcbcbb576fcdaa25d54b1c245eb4896659a1418b0c7a2b517f016ee3c7
1fd19f607089ebe45a528376af9057185444bb15a2f1307eca732674d3c39cd3
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1d8100f70184/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/1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02

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: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 1d8100f70184281c1ac82a1c03cbfa288c79fe818f17dd660716a151286dfe02

(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 (HIGH_ENTROPY_VA)high

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