MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a
SHA3-384 hash: b23bc6299256188be75316268d72ab19a772c1c8948bfcf154f2a445f5336d69e376ec255be3f83d655c1296fad68264
SHA1 hash: 8ecb67ecfe57641fb71a48431feff77f70048a7f
MD5 hash: 37eab5904173a9d1f9cfe5a20bf915d9
humanhash: don-vermont-yellow-tennessee
File name:RFQ 580124.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:812'032 bytes
First seen:2024-12-03 13:05:53 UTC
Last seen:2024-12-03 14:28:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EjIR4R52J+Xtkg+gJeRsVcAwHrrGp2VBMIrWx7a6cEmTyNJU6sdLpRZ9UFXOXhIR:EjIeejgvIsnoCUVBMIckyedlDI
TLSH T18605F19C3541F14FC903C2358EB0ED74AA546DBAA70792139ADB2EEFF81D856CE441E2
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
File icon (PE):PE icon
dhash icon e44ad8ccc8a4a0c0 (22 x Formbook, 4 x RemcosRAT, 3 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo ROU

Intelligence

File Origin
# of uploads :
2
# of downloads :
389
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ 580124.exe
Verdict:
No threats detected
Analysis date:
2024-12-03 13:35:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b1c1f9cc-924c-4809-819a-808867ecf642

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.KeyLogger.44293.5972.12850.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674f033bbc8c6beb30754cd1
Tags:
virus gates msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected phishing
Link:
https://www.filescan.io/uploads/674f024fe5f10467692923e9/reports/12081ec1-6a57-47f4-bcee-8d4ab8738300/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb6c0cfa-10a7-46b6-a2a4-2704a2a7901a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1567393
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 07:08:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ia6xihn5mtmsa2igjglfhvxgh7cyqgqpoyx4uns6b324wcxdkyfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241203-qb3k8awqav/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ee5ee200-4293-47f1-9483-26b58f25486c
Unpacked files
SH256 hash:
8522262338f09954e2dcb79dc8cb40dc437789858c8f6e9089da61df93f57c35
MD5 hash:
fb76d16f1999cb552bfc12e345b3bfcd
SHA1 hash:
6f16b5cdfbcae81162ca3e45be19782229843bfb
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/80e89bff-00e6-42fc-b10c-764c81b8b1d2/
Parent samples :
403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a
ed8e517f14e626aac4963d8fd24f2f73174e604bdf98ebd41f94b0e2b631b665
c614c851b9fe906089e94db09ebd858fc5e4fa04613d92cd8566b3d34297381b
916253d80d573744e31c15e708210d8642d08aeb4b97aba5c9f3e0d920dbb07f
2cfc0e37c8bb5910b2155f5585a9ad3b40582319fd2762c48fef6b25c727e929
2e0e7afdab8ca0ee49b2e3df7d9c8c3ff3f38d615fa114bd9dd06b8705842d5b
d26c248791d7c1347e8e21257ad5522c1e47e26e054a59bc61a50133e5d180d6
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
Link:
https://www.unpac.me/results/80e89bff-00e6-42fc-b10c-764c81b8b1d2/
SH256 hash:
f56c669dfc026f458b67660beace5a7d795db3585f308b1a1a7b8bd81d1e3882
MD5 hash:
ce4a33141a1ae3f4d82942b1db7152a2
SHA1 hash:
13a006cb8fb80980d51175d8c2e0966bb22a391e
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/80e89bff-00e6-42fc-b10c-764c81b8b1d2/
SH256 hash:
edfa0a34da8358cbb2c4f68703ae15ba798e9c56dc8a0e8ef291b19ea36fbb04
MD5 hash:
fd1d51ca8dfd096ec4b975eb6707cfe4
SHA1 hash:
07429b8d1878fbdb1caafa166a1a568971f432c5
Link:
https://www.unpac.me/results/80e89bff-00e6-42fc-b10c-764c81b8b1d2/
SH256 hash:
403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a
MD5 hash:
37eab5904173a9d1f9cfe5a20bf915d9
SHA1 hash:
8ecb67ecfe57641fb71a48431feff77f70048a7f
Link:
https://www.unpac.me/results/80e89bff-00e6-42fc-b10c-764c81b8b1d2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/403d741dbd64/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/403d741dbd64d9206906499653d6e63fc5881a0f762fca365e0ef5cb0ae3560a

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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

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

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