MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d. 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: 6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d
SHA3-384 hash: 1ef7fb02233a37d5df7cae6c0874b0b903f3094b94501331e7f47adaee4a8b4c8eb539ce36c0c42d78d6b03f9144d35d
SHA1 hash: f4d76691f62779d2879af481cfe6ee056c58a94a
MD5 hash: b18fe1b57c7b2757db798eaf4bf19f17
humanhash: beryllium-queen-item-happy
File name:rInvitacionacotizarNP-24070-TB20240304.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:614'912 bytes
First seen:2024-03-04 23:32:43 UTC
Last seen:2024-03-05 01:28:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:4aLGDcAbdcju29Nb+fCnHpD3uHYuAV2tUaMos5KSqRxRVqZV:4aKDcFV7nJD3uHYb0txSqPHqZV
TLSH T128D423613E5C82A1F242277AC6250E98527577B77121CED8BBD8B43F1A43B4AC6B0367
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon f0e8d6d6d6d6e8f0 (4 x AgentTesla, 1 x AsyncRAT, 1 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
321
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Invitación a cotizar NP-24070-TB 2024 03 04.doc.xz
Verdict:
Malicious activity
Analysis date:
2024-03-04 18:06:27 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/2f09f1b9-1817-44a0-987f-e51ed7b75bae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65e65a336d7d2e6d2d8be1be/reports/17be0c23-558b-43f4-90ab-3cd2aa881e63/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d
Result
Verdict:
MALICIOUS
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/bdab1793-ad68-451e-ab70-ce935f6578f3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403067
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-03-04 17:40:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n2j7j2g5s4kkutqqvbzriia7ddpn7737ppbm7h4ovw22ma6k3v6q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:pz08 rat spyware stealer trojan
Link:
https://tria.ge/reports/240304-3jva2ahc84/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
24e196036554f430cfb19fb9343e4d2ee0f51129c1b270974ae27bd6581cf33b
MD5 hash:
261de885397be969e26e090bdc497544
SHA1 hash:
f10620c94b6d588a0a142904bc29dd32aa36ff93
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/46b97d27-6b3a-4d3b-935f-ee631c86eb2a/
Parent samples :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 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/46b97d27-6b3a-4d3b-935f-ee631c86eb2a/
SH256 hash:
15b384a91427238658bdb875b367a62d304284f362dd3aa166f797d38c4108bd
MD5 hash:
706e778810504f72fde106b6440039b4
SHA1 hash:
ac4fe9e51977d2623b92d7041d084f1ae1fd0527
Link:
https://www.unpac.me/results/46b97d27-6b3a-4d3b-935f-ee631c86eb2a/
SH256 hash:
59d3273b3e3452fc40f483cb1d82007bc02c9e6db67a29beb38878d728592dfa
MD5 hash:
3513447bc16d8497274a41881f771772
SHA1 hash:
4dc7f32fc7c5f71fc9df01415a778611e6676c75
Link:
https://www.unpac.me/results/46b97d27-6b3a-4d3b-935f-ee631c86eb2a/
SH256 hash:
6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d
MD5 hash:
b18fe1b57c7b2757db798eaf4bf19f17
SHA1 hash:
f4d76691f62779d2879af481cfe6ee056c58a94a
Link:
https://www.unpac.me/results/46b97d27-6b3a-4d3b-935f-ee631c86eb2a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6e93f4e8dd97/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d

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 6e93f4e8dd9714aa4e10a87314201f18dedfff7f7bc2cf9f8eadb5a603cadd7d

(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

Comments