MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5de092cf0470e6194275e392a955b89bc00535d9180996da2a55b82f8215121. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: a5de092cf0470e6194275e392a955b89bc00535d9180996da2a55b82f8215121
SHA3-384 hash: d6e05e3ec4858db4577d0f91ff22fbc1f5a9b298b5345e7f1b2f94d060eeb02af170c57e3f1cd4fa962d023db2a2ffc9
SHA1 hash: d0a30fccff23810120ea5cae33f7bd8f37b6cc7c
MD5 hash: eb2b322f8bb4827c2d4649dd81ad7fb2
humanhash: massachusetts-river-grey-lemon
File name:a5de092cf0470e6194275e392a955b89bc00535d9180996da2a55b82f8215121
Download: download sample
Signature Formbook
File size:273'726 bytes
First seen:2023-05-14 09:58:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6+qgoXPxYgRcb5+gDZ8TE/8c5uOSw+kerkl:/YIr2J96x51SbE
Threatray 2'819 similar samples on MalwareBazaar
TLSH T1534412083F21D6A3EDA647B2DF3E026F7FE4780108681B4B5750670CBB66A92E70D795
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter petikvx
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
93
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
CM3543535353_PONUDHA.xls
Verdict:
Malicious activity
Analysis date:
2023-04-21 15:54:48 UTC
Tags:
opendir exploit cve-2017-11882 loader stealer formbook trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
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.
Result
Threat name:
FormBook, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Detected unpacking (changes PE section rights)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.VecStealer
Status:
Malicious
First seen:
2023-04-21 19:03:25 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
de20465fd3a111d40d14d3ca5f8c96425ed945da9756a8e65fddb0d3bbfe9bde
MD5 hash:
43d313fc3a0cd0520d1e573734bbabb0
SHA1 hash:
272f85c496e9789d55f34a203083dcd75f1bfe0b
SH256 hash:
3ff82975227bf78a5225077cd753e04d5ee8a2766903ce07bdf5e4ff40732a43
MD5 hash:
9c13c6b71953401ded4999f558cb54ba
SHA1 hash:
bdf15982849116e0c2bfdae67a62df4eb5441796
SH256 hash:
a5de092cf0470e6194275e392a955b89bc00535d9180996da2a55b82f8215121
MD5 hash:
eb2b322f8bb4827c2d4649dd81ad7fb2
SHA1 hash:
d0a30fccff23810120ea5cae33f7bd8f37b6cc7c
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Comments