MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
SHA3-384 hash: 66c19e91f595cdf245228a014d04ce28f7ba0a3cea7641e71d11228a97a5fd3f7b7bab40dfdda569c668bf05e2684503
SHA1 hash: 937874c1501a4b994c747cd974ca304451c79c25
MD5 hash: b7a99f78404176dab0d01fa984aae750
humanhash: idaho-black-washington-emma
File name:fDYVxPVfM3sKm9k.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:631'808 bytes
First seen:2025-10-17 06:03:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:kJA8ITT6qo01y6LvjSaDlD/PAsB3JQ7xs1vPljygu2W3qbdvnJ5:kJA8kuqo0cqWmlDPA4m7xS82cqbF
Threatray 74 similar samples on MalwareBazaar
TLSH T1D9D412542A59E716C8616BB41A71F27A07BE5EE9E811F2071EECBEDF7833B014D04392
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
fDYVxPVfM3sKm9k.exe
Verdict:
Malicious activity
Analysis date:
2025-10-17 06:25:37 UTC
Tags:
formbook stealer xloader
Link:
https://app.any.run/tasks/23691def-f6c1-4e88-b1a7-d72c72e9e432

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/33157/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f1dc7b72d478f905988a89
Tags:
trojan virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Creating a window
Restart of the analyzed sample
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap config-extracted formbook formbook krypt lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks snakekeylogger stealer stego vbc vbnet windows zero
Link:
https://www.filescan.io/uploads/68f1dca6df5cb32bf1f0aae2/reports/1cd5030d-9ffb-407b-a879-0ea4b100f722/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-14T04:48:00Z UTC
Last seen:
2025-10-18T02:23:00Z UTC
Hits:
~100
Detections:
Trojan.MSIL.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Blakken.sb Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Dropper.Win32.Injector.sb Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb HEUR:Trojan-PSW.MSIL.Agensla.gen Trojan.Win32.SpeedBit.sb
Link:
https://opentip.kaspersky.com/62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bbd6cb33-a0af-4e3d-a596-dd68957a01cd
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.50 Win 32 Exe x86
Link:
https://app.malva.re/file/b7a99f78404176dab0d01fa984aae750
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 08:29:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mjsbm4rcf2byywmdmri4sefssizugpvyawa7y7zwolpcw2rtwnsq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
099aab7e93cc90414b63769dba429546e4f98953f1c8304f6b8109e6fa0a824e
Formbook
0b6626a93de029cfa30a8b9e33aaa49f648bf75d36a8cba9fe199cfae9bb86c0
Formbook
3d73ce6df0894382b15b762b63c16b983ded101731112bbbb1a78bdf6faf6226
Formbook
3f1bebc7b0ea5164074e72a8f77e3bc133d1d415f5db79c20385b8d5a601a1a0
Formbook
3f57d382a91d317a9534cdc957cd87407f5515c8950320987338dddb4899aeb8
Formbook
da99e5e90a490e93120bd11d5bdb6226ad5e6fa21c10d5514b97d09b56dcc403
Formbook
ebc963782a30a3e6cc360a6e4fda16d2acac2de13ee0d8db863082e699dabd5a
Formbook
ee68d6bc31aa1661dfdbf95b66fccba4ec8678ee2b6f384d8f51cab0608e81df
Formbook
error
Formbook
f05c22a1efc4ae70839768e6d0d22057eadd708c8da4e3fc8de7376267e8bca4
Formbook
+ 64 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:punm discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251017-gte37sxsg1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dafb3d95-5341-4077-9e7c-8ec7819aa9d4
Unpacked files
SH256 hash:
b794ed0c0c7d4499d0a2ffff67eb5b92dba83f4be7964591e9edad2755176511
MD5 hash:
2a576318d07470206dd7c45f7d896078
SHA1 hash:
3096b2a5ccd98583949a9f57842d5547b50bbc29
Link:
https://www.unpac.me/results/51fc8366-334b-4801-8e08-deef1e197df0/
SH256 hash:
eb38cef1bb13e15635bf0f467f598913409e38216e94739a9f59873c3391c843
MD5 hash:
b573ca27d91418a5045d215be723244c
SHA1 hash:
5316e803a55d8bfe54301e02e6164f58d41d1cbd
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/51fc8366-334b-4801-8e08-deef1e197df0/
SH256 hash:
05787cf7c5d86465ae08da7d62855f0bf4d5463a1d3e32218244ffef221bfec6
MD5 hash:
44440f534ec9b819dd0acf15ab253bed
SHA1 hash:
f06e76647b320cb2a9b04ce36002996775536c5b
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/51fc8366-334b-4801-8e08-deef1e197df0/
Parent samples :
62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
0738cee9bc712803e28299bc41223192abb932064478c278f10350e65f755d30
b599240a13547435a237fa14405a60999c3b3475c5e8f9a7507843a232787ef4
c38c0cf6caae09abb251a613fd891d105e2c37424817f5b005154f34920edc3c
551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
09119a05e2e2a4857d5eae0c7d8fc474869e6e6483c876a78ddbfe91661a0cc5
d87de6be63c49499dfe482bfdafbdca13760efb66c2d8af6950919f01f52608c
SH256 hash:
62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
MD5 hash:
b7a99f78404176dab0d01fa984aae750
SHA1 hash:
937874c1501a4b994c747cd974ca304451c79c25
Link:
https://www.unpac.me/results/51fc8366-334b-4801-8e08-deef1e197df0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/62641672222e/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/62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365

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: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

File information

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

Malspam

Formbook

Executable exe 62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33157/

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