MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37e6fcc2791cdc7fa2f5a433d7b13d0d57857cde8ab4aec7e5da2879eee8bb59. 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 3 File information Comments

SHA256 hash: 37e6fcc2791cdc7fa2f5a433d7b13d0d57857cde8ab4aec7e5da2879eee8bb59
SHA3-384 hash: 3085ce359397dd7ff78b18d0316239eac9d38248d306904afb72addaf159ed1ff32c04a26819eb157d234aa1d6396098
SHA1 hash: a72883fe10df1670d1ddde157bff2d8bfce5a41b
MD5 hash: d380bb12f3640ec7cf3eaa191a50a3a4
humanhash: cold-music-coffee-mike
File name:Re, cotizaci¢n.exe
Download: download sample
Signature Formbook
File size:847'872 bytes
First seen:2022-08-15 06:55:48 UTC
Last seen:2022-08-15 07:34:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:qaW2cJA9wyZgVRQ7zoijG2EN2TiTPvimGJe9IbUDHDlByKZ:qaW2cJA9wyZgVRSzjjMu1dJ7UTyK
TLSH T1C8059C47AF507615C4B717F5EE0FF9B52BF3188D7071C2783E91196BA6BA302A04682B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Re, cotizaci¢n.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 07:02:40 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-09 17:30:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ng04 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
8c70809310f41a91ff32acc19f100291f1f891b50f755f7aaf3cfaa9b3605081
MD5 hash:
c31e5d9ba7aec5414d391e20a40e396f
SHA1 hash:
7c6fadf94aa41dbbc6c36ff1ae283d054e659843
Detections:
win_formbook_g0 win_formbook_auto FormBook
SH256 hash:
390bdaa6a7d6e974b811f663861ff082d67d75438d5eea0dd193cebef262e638
MD5 hash:
1f6a03d74f7d78428e909d2a6b234ccd
SHA1 hash:
c316c3ab63942f731e3a0846306f82e3122a400e
SH256 hash:
6ba88bb8de532d6213200c363aef823ba513c8e6e2f709f285ead78ce2dc37d6
MD5 hash:
a75de4a908855ddeefdadd8b7dae8239
SHA1 hash:
a4cd384de2a755239a6ce607076a6c0ad904c5f5
SH256 hash:
6f7d575e37ce699f66afcba0dbf44a9a0dd02f59b0002b9e31a6581ce6dd2cbb
MD5 hash:
92ba80692bca6e23842eec60f86d6a53
SHA1 hash:
3b2aad569a3943c5cd5bb415892262195d5f5d72
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
37e6fcc2791cdc7fa2f5a433d7b13d0d57857cde8ab4aec7e5da2879eee8bb59
MD5 hash:
d380bb12f3640ec7cf3eaa191a50a3a4
SHA1 hash:
a72883fe10df1670d1ddde157bff2d8bfce5a41b
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
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.

Malspam

Formbook

Executable exe 37e6fcc2791cdc7fa2f5a433d7b13d0d57857cde8ab4aec7e5da2879eee8bb59

(this sample)

  
Delivery method
Distributed via e-mail attachment

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