MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a85b7578e700e44701c5d209f2508af54766db163063d2a41f14012249ca7991. 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

SHA256 hash: a85b7578e700e44701c5d209f2508af54766db163063d2a41f14012249ca7991
SHA3-384 hash: 39e2093fdda128f63fdc2e1e1f0731e4e28fe18b7d7795021e17256c41463c59a85436e229a6826274d43dd919847f95
SHA1 hash: 5a86d71afc8b9bd3f196f2c775f06954cde4e7bf
MD5 hash: be6184265326d5fee88b4c3cec6a91a1
humanhash: robert-seven-sixteen-fifteen
File name:rQuotation.exe
Download: download sample
Signature Formbook
File size:798'720 bytes
First seen:2025-09-11 09:31:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:/RQG7qoStNSt4NZn9y04azKmPd6RpHF/3d:/b+XMbzz9
Threatray 1'039 similar samples on MalwareBazaar
TLSH T10A05F1142359CA06D0A64FF51932E2B40B79BF9AF822E2479FC63EDF7832B805945753
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 FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
138
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
nQuotation.z
Verdict:
Malicious activity
Analysis date:
2025-09-11 09:32:40 UTC
Tags:
arch-exec formbook xloader stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
stration spawn shell
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
Sending a custom TCP request
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-11T05:27:00Z UTC
Last seen:
2025-09-11T05:27:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.36 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-09-11 08:57:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
a85b7578e700e44701c5d209f2508af54766db163063d2a41f14012249ca7991
MD5 hash:
be6184265326d5fee88b4c3cec6a91a1
SHA1 hash:
5a86d71afc8b9bd3f196f2c775f06954cde4e7bf
SH256 hash:
c18686fec4a417fc1b27e78fb33031d5f50cfd4712a212f1f27a98eaffbee7a0
MD5 hash:
997182cc773ea38d6780e4e3ccb8727e
SHA1 hash:
091cff9b8796dad602d7c8c9a3123dca2ea70d23
SH256 hash:
4a8af9946518b7adfabab291dccfa4f3e27acac1ef07d4f8a69ebb488994bac1
MD5 hash:
56c90d081546763ea9a07679d338a4bc
SHA1 hash:
344a336b0717e7dd13e8afe573c54bde42947281
SH256 hash:
21c74df79ac5d58f875bb3acf565a43ef92ac4c3e877b6116bcd22f9be2e99d7
MD5 hash:
4405df0c39acfd7185ade3a4479e08c5
SHA1 hash:
55dfa3948831caf0b0ea106aef653bcf5b57c4af
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ffe02523af00b56db1d65db0c43f197080d6007a48efc8c8e204584578e7a92c
MD5 hash:
d8ffb96fb8b990ac709a8c4f2f53bf96
SHA1 hash:
df3bb220fe24a83d35d11368ed1829834746e6db
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
Author:kevoreilly
Description:Formbook Payload
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

Malspam

Formbook

Executable exe a85b7578e700e44701c5d209f2508af54766db163063d2a41f14012249ca7991

(this sample)

  
Delivery method
Distributed via e-mail attachment

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