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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8
SHA3-384 hash: 69025f727a54e4cd081eb661b15272b9c924778943c4944fdce16fb2a440fa20462b5efbd7a6a99869f374ed11bd7dbd
SHA1 hash: 13f77564c98e3abc46e0c87d0c0cbf04251bb55e
MD5 hash: 0dd0daec1e4709645aa5d82b32c4e539
humanhash: echo-eighteen-minnesota-triple
File name:rRFQ2026-BE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:979'456 bytes
First seen:2026-04-23 18:30:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'235 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger)
ssdeep 24576:dO/96nOGyrubkxk7w+5IEmmAMDVf4fGho0e7o:kEErLYwtShOGh4E
TLSH T1A12523A99A21D993CCD15BF219B1E7B007564E4EF400C31BDEEDACEF7D6829624346E0
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
BR BR
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ccb723f8-3f88-4214-8dc3-06f706a75c16/
Malware family:
n/a
ID:
1
File name:
_042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8.exe
Verdict:
No threats detected
Analysis date:
2026-04-23 18:32:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2f96b614-6872-4756-a58a-86a6cac7ec66

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/63380/
Detection(s):
Porcupine.MSIL.Kryptik.AQBM.512401.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ea655851cce3ff702f6e0a
Tags:
stration shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed tracker vbnet
Link:
https://www.filescan.io/uploads/69ea655181aa9ec3bc21fff3/reports/a88ee187-c95b-46bf-81ee-357e62df0879/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-23T14:42:00Z UTC
Last seen:
2026-04-25T02:05:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.MSIL.InjectorNetT.gen Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan-Spy.Win32.Noon.sb HEUR:Trojan.MSIL.Taskun.vho
Link:
https://opentip.kaspersky.com/042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/240ba303-4483-4115-b550-d9df723f886b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.46 Win 32 Exe x86
Link:
https://app.malva.re/file/0dd0daec1e4709645aa5d82b32c4e539
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8
Threat name:
ByteCode-MSIL.Trojan.PhantomStealer
Create hunting rule
Status:
Malicious
First seen:
2026-04-23 18:30:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqxw3d77kb6sfpd2nr2wrt63t62izwp6dqhmutdjql2y4ivwhxma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260423-w71dmafs8t/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8
MD5 hash:
0dd0daec1e4709645aa5d82b32c4e539
SHA1 hash:
13f77564c98e3abc46e0c87d0c0cbf04251bb55e
Link:
https://www.unpac.me/results/4d7be74b-3b6d-4ab9-bc18-096e514fade8/
SH256 hash:
ab6f92eb182929d1ee441e93859a2b1e95227daf71e2650419fa860eacf1709a
MD5 hash:
2b503189c74fe1a40b58b9304580726e
SHA1 hash:
1d5f5a01bda20aea16fe37db5a1c05155870943c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4d7be74b-3b6d-4ab9-bc18-096e514fade8/
SH256 hash:
e640dbc137439da0245b3292819e4697bc5c09c16281afe0b450409b46f187fd
MD5 hash:
13e2b0c624db53c794a8de12e91bfbfc
SHA1 hash:
3974cf981a570885d86ec93d76ac8d98c1a2c7e7
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/4d7be74b-3b6d-4ab9-bc18-096e514fade8/
Parent samples :
7ecd3c1f3b4db2d5002c330506df3acb6f54d3cb570b4b02697ed601d7f50185
8a249e7566f513e34498a82593b400fe5d279ee7687cc52b4a8a709b88d77313
197c9b2fe8116d8e9329c5ab49f7fa2a900d27704bb8d36da9d1bc77f2239b07
b5cc8276cff50bd4462303b5b0d2d4885cc1a6ba4a812fe7c4443afde8a76f3e
4cbc79702cdc46953a14237c27ab6a81c8e46895acff1119a93a9912b4281065
042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8
12991ee152aeccaadf10634e11017eab2ecf13b3853272a46a7f7e8c5dec2507
df9dcd5d8873661504de9f43c747aeedaa1b67cf3fd7dc265c23800e9ecdee21
SH256 hash:
22468d48e78d5f6bfa7d2ed3fd5c7e909523e0f32ce19698be5cbf457451db34
MD5 hash:
f8fe6779c7f598664fed1d7ced8c75da
SHA1 hash:
b7edca17c5605a04c81b811dd93b274041ae85bd
Link:
https://www.unpac.me/results/4d7be74b-3b6d-4ab9-bc18-096e514fade8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/042f6d8fff50/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/042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8

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 042f6d8fff507d22bc7a6c7568cfdb9fb48cd9fe1c0eca4c6982f58e22b63dd8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/63380/

Comments