MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6124faef534c43b40607b85ffc1798cb3064d7eb2239422d2b35826a6de5e3ee. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 6124faef534c43b40607b85ffc1798cb3064d7eb2239422d2b35826a6de5e3ee
SHA3-384 hash: af78459de2b919c185df97c63deb34580209a242c2b674d29d4956f28340f66cf402dbc798514d569f374c33b2fe2dc5
SHA1 hash: 0d9f83e40a924ba16e9bde6f3d2b5dbc19056703
MD5 hash: b414629b844d0a8cf08cd22d175a82f6
humanhash: red-hot-burger-kitten
File name:nuevo_orden.xlsx.exe
Download: download sample
Signature Formbook
File size:758'784 bytes
First seen:2022-06-22 14:42:34 UTC
Last seen:2022-06-22 15:57:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:qG2AZMzJWsuhczRVQEIcA3Q9UJwUIscc1FOg9Y9jg0Fl6p+liq+c:qG21JnuizRV7lUJgog
TLSH T15CF4DF9CF25079DFC813C9B589686C64A612B76B461FC2036037359E993EAD3CE11EE3
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 650482 Sample: nuevo_orden.xlsx.exe Startdate: 22/06/2022 Architecture: WINDOWS Score: 100 31 www.365webonline-assist.com 2->31 33 www.nanfa789.com 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 6 other signatures 2->47 11 nuevo_orden.xlsx.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\nuevo_orden.xlsx.exe.log, ASCII 11->29 dropped 57 Detected unpacking (changes PE section rights) 11->57 59 Detected unpacking (overwrites its own PE header) 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 nuevo_orden.xlsx.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.philosophycode.net 217.160.0.105, 49799, 80 ONEANDONE-ASBrauerstrasse48DE Germany 18->35 37 cattreeforlargecats.com 109.234.164.224, 49795, 80 O2SWITCHFR France 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 control.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-22 14:43:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:f3bq loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
dfb82cdabeaeaf82380d87c9747a0ab9aa439328ecfde02a045056ef6ece7b95
MD5 hash:
96e806d0d89a19e3c603ca2e9099f57c
SHA1 hash:
0f26f582352a24c1246a76ef58effe3208a2a54b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
39e3a1ad7fd0041d9988d0866bcb65f1ffaa5767b8fe70d21227a8bab037710a
MD5 hash:
5c15f8e4a3d7f5b0496ea1314c1903c0
SHA1 hash:
b4e535d9fc9f54bed5c5eec5641e0c14afa13726
SH256 hash:
a0a565ff75a176af98f40723a3cf91793cb3b9fa55ac75ddc9ea484ce67a6c8e
MD5 hash:
18815c1e635ab6be11e32a084f649e96
SHA1 hash:
47deaad6f1bfffe08d78f194cbe4e8713661a181
SH256 hash:
880c9ff80de33cde042ab26d75677dab18fdc7695908d615c44efa8b5d8e088a
MD5 hash:
07e1e5baea35d75e784cce3b991a5fdc
SHA1 hash:
2f5cd9ad4acec13ddb49f9d69093f9fe475342c2
SH256 hash:
6124faef534c43b40607b85ffc1798cb3064d7eb2239422d2b35826a6de5e3ee
MD5 hash:
b414629b844d0a8cf08cd22d175a82f6
SHA1 hash:
0d9f83e40a924ba16e9bde6f3d2b5dbc19056703
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: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.

Comments