MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 806fcbc57ef1ed9cf02a322dabaa21439e715fc6bc6c689384cd67addf21bd76. 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: 11


Intelligence 11 IOCs YARA 18 File information Comments

SHA256 hash: 806fcbc57ef1ed9cf02a322dabaa21439e715fc6bc6c689384cd67addf21bd76
SHA3-384 hash: dbece5a4f96fbde1d5ac80001c69930034c65f504bb541f05749f1ea57f9da333ddf20a7997e106df7a63dfc8c2a9118
SHA1 hash: 8698901e60bb9f9d802faade98c2c496b642a220
MD5 hash: 2a2ba7b2671b0571573dd7313c3fc3e4
humanhash: carbon-oranges-high-queen
File name:SecuriteInfo.com.Win32.PWSX-gen.18932.19461
Download: download sample
Signature Formbook
File size:798'208 bytes
First seen:2023-11-07 14:36:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:cVpBO/bpE49+JRFuUDBL6gdonXwgvb27L3mG08GfZ9MuC7JgQTPSk7rAjxT3pRs7:B/ZYFuUJtdOw4bWKIGfZmuCMtp
TLSH T13105E02122BE9FABD93B53F44550454443F26A59397FE3194DC660CFAEEAB400B82F27
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
340
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-07 12:02:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
551711a604f2a8720e35891fbba922afcec52c3655386995230d53d130ec4a7d
MD5 hash:
50db5fef00c0955881bb9b7318c8b3f9
SHA1 hash:
6e2787c874093d75174ce8501afa036aafdb7102
SH256 hash:
fc2c9576daac58e88429586c0d5acfa1b3de6b5dbe8bf26344e4f55154d7201a
MD5 hash:
9a81d40bdd730a6a360e0de989d7b0bd
SHA1 hash:
c795bec02d0941f66017bf15eae5ce66075fa5af
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
25b9d98a5eec1e70b6a65f5d5460659746c6f1da441829dbe040e0b106ce29e5
MD5 hash:
21da8360300419a64a029332837e0261
SHA1 hash:
1ba25b6ef4109e0a5668215bbfa166de56dbc8d0
SH256 hash:
806fcbc57ef1ed9cf02a322dabaa21439e715fc6bc6c689384cd67addf21bd76
MD5 hash:
2a2ba7b2671b0571573dd7313c3fc3e4
SHA1 hash:
8698901e60bb9f9d802faade98c2c496b642a220
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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

File information


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

Comments