MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31. 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: 21


Intelligence 21 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31
SHA3-384 hash: e9b36f5118b3e254bdd609dadccc3379ba2f1d59d7c7df4879fc7eacfb01ee16fcc25a5918c8ca63157cd2462350edc7
SHA1 hash: 0320bc52897828c812f1d5d462ada68341114efa
MD5 hash: a818c6be70fc2ec2ff86bd75f96b866b
humanhash: bacon-green-paris-pasta
File name:Quatation Inquiry.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:679'424 bytes
First seen:2025-11-26 09:38:08 UTC
Last seen:2025-11-26 13:54:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'598 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:M8UtoiTUNZXxrs4FKNiW3ZEXrsOJpRcevxhU:M8CPY1s4NW36XIOJzDnU
Threatray 2'270 similar samples on MalwareBazaar
TLSH T1ACE412A19795CE23C9267BF21431E27063BA5E4EF022E6538FED8DEFF511B114984382
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 :
2
# of downloads :
119
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quatation Inquiry.exe
Verdict:
Malicious activity
Analysis date:
2025-11-26 09:41:17 UTC
Tags:
auto-sch-xml stealer formbook xloader
Link:
https://app.any.run/tasks/a967244b-0075-49fb-9f61-6004e4cb760f

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/41534/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6926ca8e6cb1dcd577811b71
Tags:
stration shell spawn
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/6926ca8c5788d63eca918aea/reports/db69aea4-c3a5-48b3-aa93-a6539da28eb5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-26T03:43:00Z UTC
Last seen:
2025-11-28T07:19:00Z UTC
Hits:
~1000
Detections:
VHO:Backdoor.Win32.Convagent.gen Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Inject.sb PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen Trojan.MSIL.Taskun.sb Backdoor.Agent.HTTP.C&C Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.sb
Link:
https://opentip.kaspersky.com/fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8352b91b-829c-4b7e-b6ad-66b9bb919033
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1821020
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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
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 delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
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: 1821020 Sample: Quatation Inquiry.exe Startdate: 26/11/2025 Architecture: WINDOWS Score: 100 73 www.ideastool.xyz 2->73 75 www.cleverpayment.xyz 2->75 77 14 other IPs or domains 2->77 91 Suricata IDS alerts for network traffic 2->91 93 Antivirus detection for URL or domain 2->93 95 Antivirus / Scanner detection for submitted sample 2->95 99 10 other signatures 2->99 11 Quatation Inquiry.exe 7 2->11         started        15 TwIzOOpzifUm.exe 5 2->15         started        signatures3 97 Performs DNS queries to domains with low reputation 75->97 process4 file5 59 C:\Users\user\AppData\...\TwIzOOpzifUm.exe, PE32 11->59 dropped 61 C:\Users\...\TwIzOOpzifUm.exe:Zone.Identifier, ASCII 11->61 dropped 63 C:\Users\user\AppData\Local\...\tmp329F.tmp, XML 11->63 dropped 65 C:\Users\user\...\Quatation Inquiry.exe.log, ASCII 11->65 dropped 103 Adds a directory exclusion to Windows Defender 11->103 17 Quatation Inquiry.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        105 Antivirus detection for dropped file 15->105 107 Multi AV Scanner detection for dropped file 15->107 109 Tries to delay execution (extensive OutputDebugStringW loop) 15->109 111 Unusual module load detection (module proxying) 15->111 26 TwIzOOpzifUm.exe 15->26         started        28 schtasks.exe 15->28         started        30 TwIzOOpzifUm.exe 15->30         started        signatures6 process7 signatures8 87 Maps a DLL or memory area into another process 17->87 32 KxfMsstCk.exe 17->32 injected 89 Loading BitLocker PowerShell Module 20->89 35 conhost.exe 20->35         started        37 WmiPrvSE.exe 20->37         started        39 conhost.exe 22->39         started        41 conhost.exe 24->41         started        43 BPa9YeUG00c0bN.exe 26->43 injected 46 conhost.exe 28->46         started        process9 dnsIp10 67 www.yoniyoga.club 103.224.182.242, 49762, 49763, 49764 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 32->67 69 zubochistka.pro 176.57.64.169, 49747, 49748, 49749 TELINEABA Bosnia and Herzegowina 32->69 71 9 other IPs or domains 32->71 48 secinit.exe 32->48         started        101 Maps a DLL or memory area into another process 43->101 51 secinit.exe 43->51         started        signatures11 process12 signatures13 79 Tries to steal Mail credentials (via file / registry access) 48->79 81 Tries to harvest and steal browser information (history, passwords, etc) 48->81 83 Modifies the context of a thread in another process (thread injection) 48->83 85 3 other signatures 48->85 53 chrome.exe 48->53         started        55 firefox.exe 48->55         started        process14 process15 57 WerFault.exe 53->57         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.41 Win 32 Exe x86
Link:
https://app.malva.re/file/a818c6be70fc2ec2ff86bd75f96b866b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31
Threat name:
Win32.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-11-26 06:44:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xikrbmn6vhsowzwdrvh3ltb764hmgkdyawxfj7wlda4uvrulmyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
70f1abf1a366530426cb0afa916a8a3c2402fee0349f6784447afeac70167263
Formbook
b3e42037f5cdb5966eb77da291f3234a7cfcd111bfb1a50da7bc3d98da779400
Formbook
b5f7ce31c9333182fd55674e84e7a60e21cfdc92cf6b3b7286be53923a03386c
Formbook
bbce5b0c4a2d84fff1038b91d10dd17dc418f694844b78736e99d0aaf95dafca
Formbook
d7343a82fa2b21d21d1dbb10d968d7de8b07d0b103ffd001e0ebfe1f29225fee
Formbook
e5736df87221b67a2e2a614374e1d6353043b95e08448ea9260e103ab18a5c8d
Formbook
error
Formbook
f5a2fcb5abc2713669bc271014e04c42c4e1019471616645ecacf791d53a3545
Formbook
+ 2'260 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/251126-ll768shj7y/
Behaviour
Modifies Internet Explorer settings
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/391ba0df-24d3-4889-8944-5d8a369aad8b
Unpacked files
SH256 hash:
fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31
MD5 hash:
a818c6be70fc2ec2ff86bd75f96b866b
SHA1 hash:
0320bc52897828c812f1d5d462ada68341114efa
Link:
https://www.unpac.me/results/36984867-d008-4b04-bbec-c010537b34b3/
SH256 hash:
b29acdd01c55b85b1dcdf3494e8734c9fd5e864d6945d60e077deb314649a2fc
MD5 hash:
aca6c61d0f41cb2dca2974188b9b65f4
SHA1 hash:
2668040d8d754ea98cac5623d9e8c7a008965bdf
Link:
https://www.unpac.me/results/36984867-d008-4b04-bbec-c010537b34b3/
SH256 hash:
9e964c01f35b5059d85a56b1ba95c26b5f9043c911d184ae9d0b0db8f75ea4d5
MD5 hash:
79c459b06c945ae08ccd4394e41f23e4
SHA1 hash:
61f053a14aeb856143565cf8548b05cb1fa622ff
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/36984867-d008-4b04-bbec-c010537b34b3/
SH256 hash:
9f29a2660ce6321cb97eddf7833c329365e52e29d244c09c081d1f5db99f6acc
MD5 hash:
fb35e978baa32adae27a2bc0661b1b69
SHA1 hash:
85d69d89b494de3b2cd996a54905603d7bce7e35
Link:
https://www.unpac.me/results/36984867-d008-4b04-bbec-c010537b34b3/
SH256 hash:
55490b3308deac31ab77ef88b3dcce8d50fc95d544500d6f867346fd747ca6f1
MD5 hash:
6993e2176a5ec2236c593d2cefe9a507
SHA1 hash:
a24e127143ff5835d827ebfe3f577415eea16bf4
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/36984867-d008-4b04-bbec-c010537b34b3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdd0a8858df5/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/fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31

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

File information

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

Malspam

Formbook

Executable exe fdd0a8858df54f275b361c6a7dae61ffb8761943c02d72a7f658c1ca56345b31

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/41534/

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