MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49b7629b41572ef6c7f0f8666d45ded1e2d18609782c3592443786073559fd4f. 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 4 File information Comments

SHA256 hash: 49b7629b41572ef6c7f0f8666d45ded1e2d18609782c3592443786073559fd4f
SHA3-384 hash: aa6b82e971f2baac85f63630df52a2932e25ed5638db7145d3f8fe0ccca89ed586c7a6e1d954bda37fdde9ae60cde6f9
SHA1 hash: 050c0e522c44d03b65d070fd1386563b9b77d914
MD5 hash: 432620e8602c173d9726cbcfd502759a
humanhash: sixteen-missouri-freddie-connecticut
File name:49b7629b41572ef6c7f0f8666d45ded1e2d18609782c3592443786073559fd4f
Download: download sample
Signature Formbook
File size:693'248 bytes
First seen:2025-12-08 14:47:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda)
ssdeep 12288:KOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiLgdfVXXrjELW7brC6p1CwB:Kq5TfcdHj4fmbHfJvBJp1xB
Threatray 2'333 similar samples on MalwareBazaar
TLSH T170E423D06588C853EF617330D0BB8ED40975BE32CE9627495BD4F61E6863293AC9372D
TrID 33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
13.1% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook UPX
File size (compressed) :693'248 bytes
File size (de-compressed) :1'178'624 bytes
Format:win32/pe
Unpacked file: cc3ca5fb64666cfb1860c997333b0cc43f10fcc71a4a4840e47815fd659b907d

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt PEPacker
Details
AutoIt
extracted scripts and files
PEPacker
a UPX version number and an unpacked binary
Malware family:
n/a
ID:
1
File name:
49b7629b41572ef6c7f0f8666d45ded1e2d18609782c3592443786073559fd4f
Verdict:
No threats detected
Analysis date:
2025-12-08 17:53:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autoit
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria.7526;AIT:Trojan.Nymeria
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-11T21:06:00Z UTC
Last seen:
2025-12-09T00:28:00Z UTC
Hits:
~1000
Verdict:
Malware
YARA:
5 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-11-12 00:36:42 UTC
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
49b7629b41572ef6c7f0f8666d45ded1e2d18609782c3592443786073559fd4f
MD5 hash:
432620e8602c173d9726cbcfd502759a
SHA1 hash:
050c0e522c44d03b65d070fd1386563b9b77d914
SH256 hash:
cc3ca5fb64666cfb1860c997333b0cc43f10fcc71a4a4840e47815fd659b907d
MD5 hash:
5621b94ee22762740d162c91ea1991f4
SHA1 hash:
e64928277c79eebec35154d541e152d9513600ab
Detections:
AutoIT_Compiled
SH256 hash:
80858ac79c0b8d117c58bf3bae85004fded91c812dd684274a9a7349730d9630
MD5 hash:
2efeda40bedf4271be629571de4798de
SHA1 hash:
67fe925769506d614f3c8d201f10cf44bc4b547e
SH256 hash:
909ca86f2920ea2d12b27f1368cdb8584dc542fb3bdc8758121512a9fbff4888
MD5 hash:
b4d7a507be074520de4e0af95615cc5a
SHA1 hash:
50b16eafd7e45dbe5dddda393b0a7694fcf54646
Detections:
win_formbook_g0
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:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

File information


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

Formbook

Executable exe 49b7629b41572ef6c7f0f8666d45ded1e2d18609782c3592443786073559fd4f

(this sample)

Comments