MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1
SHA3-384 hash: 0baabae26a2462f69ad6cfd30b14432c45cf6f250cddfd1da255ada8f52d80d6b080294e704dd350562ac42e4fdc0181
SHA1 hash: 1fec0f0fcd1a75de7988637caae2c0cb0f9a43bb
MD5 hash: 05d749a638fab1dbf02cc129f0e6a104
humanhash: vermont-single-music-mexico
File name:RFQ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:793'088 bytes
First seen:2025-08-11 06:19:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:oN7Z+IuQo5/x1AYuMKejvRp0eq9iP4jz:oBZpuQo5BudKfsEI
TLSH T1D2F40192B48CDF02E1AF1AB20671D234135B0E49EE21D7DBD6E47DDB747BA256208B43
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 2ff1b232f3c8c453 (1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.exe
Verdict:
Suspicious activity
Analysis date:
2025-08-11 06:24:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/eb03633e-8bba-4694-8880-2a286a819df8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/20043/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68998bc5fca70bd90e8dfcfd
Tags:
shell virus micro
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:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3911dff6-1e6f-4b3f-984c-20f29b8e4d82
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.19 Win 32 Exe x86
Link:
https://app.malva.re/file/05d749a638fab1dbf02cc129f0e6a104
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1/
Verdict:
Malicious
Threat:
Backdoor.MSIL.Remcos
Link:
https://tip.neiki.dev/file/fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Create hunting rule
Status:
Malicious
First seen:
2025-08-05 04:05:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7miuwb7kxdc5275prxa3cx3zzwtqipzih4l4fsexs7cxcewze3iq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
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/250811-g5d1aagl5w/
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/063421de-fa5d-40f0-8e1d-32d84bc7d9ab
Unpacked files
SH256 hash:
fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1
MD5 hash:
05d749a638fab1dbf02cc129f0e6a104
SHA1 hash:
1fec0f0fcd1a75de7988637caae2c0cb0f9a43bb
Link:
https://www.unpac.me/results/5dc55080-297f-4763-944f-bd8d0149414e/
SH256 hash:
d3a0fbf9f2990a94787dc7df2077e31e73cea61fa019bae1c9943c827e247330
MD5 hash:
b7bd25aaa592537538224a4c45030e7d
SHA1 hash:
d91a0da67db426c4e6e051e37897b8604d7bca2a
Link:
https://www.unpac.me/results/5dc55080-297f-4763-944f-bd8d0149414e/
SH256 hash:
a384996ec929b304d4155f1af10410e36c1695e808018eb2f572b712762a97da
MD5 hash:
9b0c568f3e8e804d87253670743e9fb2
SHA1 hash:
d9640ddd8ccb50c3d1ebaf3ee9fcc91c2271d392
Link:
https://www.unpac.me/results/5dc55080-297f-4763-944f-bd8d0149414e/
SH256 hash:
1bbf0181a363a94c8ca224de542a62392aa6a9ab08d30b464859f9e7d7a7bdb2
MD5 hash:
508179f76be01be3298059c7e4f1536f
SHA1 hash:
97bb4d557e762807f832423476d829e6f83d19e4
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/5dc55080-297f-4763-944f-bd8d0149414e/
Parent samples :
6bfefb0f3b8a878aec69c3d830824c3bf7d5181ffd6d6e88dc4a8d793370c233
f1c4b423031489d5ea36e682f729f981789e020dccca81ea7b2bfceef1ee62cd
fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1
aace9b82b5a361f9fe0ea0d6d0ea6e141cca7ff9761e0d7a2665fd7752a54ffa
SH256 hash:
360fd986b90e9c35aead02619e9864f9f51315ff19afe20951f01579fd44ec7e
MD5 hash:
b3bc49513385364af2d6dad915568170
SHA1 hash:
bca660420b6d3bd4d2fdbd33210833f0033bf161
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/5dc55080-297f-4763-944f-bd8d0149414e/
SH256 hash:
1a4794e241ebd077f915c2f5f23e0b59d03693829966c82f2822d8c1a648365a
MD5 hash:
aecfea7a3f97f772eacc89ad963707bb
SHA1 hash:
effa9ec523b58e6206e447896bbc02f172a58eb1
Link:
https://www.unpac.me/results/5dc55080-297f-4763-944f-bd8d0149414e/
SH256 hash:
a51a6338086c58edd0c9ae46cdf72efa4800404b106aa1cf4905981777f712cb
MD5 hash:
152f5dae93b9fd9af2a4654ba9f7f7d6
SHA1 hash:
5947d8ed49968d8bc4f08f6b42d47097e3d4a4e7
Link:
https://www.unpac.me/results/5dc55080-297f-4763-944f-bd8d0149414e/
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/fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1

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
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.

Malspam

Formbook

Executable exe fb114b07eab8c5dd7faf8dc1b15f79cda7043f283f17c2c89797c57112d926d1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/20043/

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 (GUARD_CF)high

Comments