MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b. 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: 18


Intelligence 18 IOCs YARA 11 File information Comments
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SHA256 hash: 6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b
SHA3-384 hash: 2d3e58818828faa60bcddd91a898ca1af323d4d2214dbc100b40c5ec5372b63cc656b88fc523a8e9bfe6ed7fc476d884
SHA1 hash: 1310d76a47e5d2ffaee6610f1ca19695ef7d0b97
MD5 hash: 7b9bdb733c826d404026fb462914b7ed
humanhash: yellow-indigo-mountain-six
File name:SecuriteInfo.com.Win32.MalwareX-gen.22028.3629
Download: download sample
Signature Formbook
Create hunting rule
File size:857'088 bytes
First seen:2025-09-16 19:21:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:/VTMcJIL21IlbePHWR+V1nSjzUn9NxGB5y6ymqZg:/VtutwP2R+zSjA9fGn8m
TLSH T19605D09C3251B99EC853CE728964DD74AA206CAA9307C20395E71CAFBD1D693DF142F3
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.22028.3629
Verdict:
Malicious activity
Analysis date:
2025-09-16 19:25:02 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/e245ceaa-3863-4311-9df0-67d9474a35dd

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/27797/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.22028.3629.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c9ba0ad49ea3f1e4b6961a
Tags:
stration shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
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/68c9b981dbc6f5a29c4840a0/reports/7efee636-f447-438e-8cdd-d6f73f2e82e8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-16T15:04:00Z UTC
Last seen:
2025-09-16T15:04:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b7469dae-5a74-4329-a9a8-9ece965737bf
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.80 Win 32 Exe x86
Link:
https://app.malva.re/file/7b9bdb733c826d404026fb462914b7ed
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
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Status:
Malicious
First seen:
2025-09-16 19:26:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=myumoaxftygqbp6mjt5wdo3gdqqn4duzxzhnxvr2i4snhto7nm5q._file
Verdict:
malicious
Label(s):
unc_loader_037
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Similar samples:
error
Formbook
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250916-x3xbvazwes/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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/597b2913-1709-4413-b16f-7e09c3059905
Unpacked files
SH256 hash:
6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b
MD5 hash:
7b9bdb733c826d404026fb462914b7ed
SHA1 hash:
1310d76a47e5d2ffaee6610f1ca19695ef7d0b97
Link:
https://www.unpac.me/results/e9cc259e-69c1-43f3-8b84-12f9ce0dd2e4/
SH256 hash:
6e83e6b19ac44294ae957cb8df349a52032572ded8e4a66e9f433b19329ce3e8
MD5 hash:
518cf717808323a67bab9f09dd37715b
SHA1 hash:
bdd01aa6911900f95a6efa570effe39602066a68
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e9cc259e-69c1-43f3-8b84-12f9ce0dd2e4/
Parent samples :
6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b
5377eedf7578b74b19894af1247c67a57a8b22e5fe190d1133a1123ec4be7540
9d23be56c997bd11aac109468209d51defccb17a6dc9fd7ec09e70efede36df5
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
Link:
https://www.unpac.me/results/e9cc259e-69c1-43f3-8b84-12f9ce0dd2e4/
SH256 hash:
23134001b91e28af1bc7d9baaf101a282d032541d1ffbeec774891f5fca09a31
MD5 hash:
c6b73f7f17fd29a2f012475f9faede02
SHA1 hash:
c8a3fafeb9fad905b67e0c39c3137dd23d510011
Link:
https://www.unpac.me/results/e9cc259e-69c1-43f3-8b84-12f9ce0dd2e4/
SH256 hash:
910ea3e570d6e077bf0c0b7c751982bc5597b4904219a56055e0b37571c0d9bb
MD5 hash:
64219897d635fa853655cdcde8e38ce1
SHA1 hash:
e957a5a6aeb8536a755c50e0fad3a6e9b92199f1
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/e9cc259e-69c1-43f3-8b84-12f9ce0dd2e4/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6628c702e59e/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/6628c702e59e0d00bfcc4cfb61bb661c20de0e99be4edbd63a4724d3cddf6b3b

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
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:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Cape
Cape
https://www.capesandbox.com/analysis/27797/

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