MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8ae965dc24d6b7149c486672bf33989d6c27f108a68cb447cf5308eb91b8217. 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 2 File information Comments

SHA256 hash: b8ae965dc24d6b7149c486672bf33989d6c27f108a68cb447cf5308eb91b8217
SHA3-384 hash: 9d6aa861a52b44f34a505fad4af611e821cac446dc27aaf796a211dc3c5f8dad56033a769243fd3dcab7b8b2c9d7e6a2
SHA1 hash: 8ad4ff2730b660b5ef94370ad010c6a91d758745
MD5 hash: 068a2c1d397ecd38aba855db9ff4a9c3
humanhash: fix-alpha-black-ack
File name:Ordem de Compra.exe
Download: download sample
Signature Formbook
File size:1'171'968 bytes
First seen:2022-03-17 12:52:03 UTC
Last seen:2022-03-18 08:56:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:q3u9JKIDK9BLxuKfgAMpFCJ5J0QBYbJLjfeb:q3KJK7LLxu65PJv055ib
Threatray 10'101 similar samples on MalwareBazaar
TLSH T1D64512293BA88937F0AF57F4B05746809FF472062007D7AEEE82A4E54D527C94B1F297
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Ordem de Compra.exe
Verdict:
Malicious activity
Analysis date:
2022-03-18 00:57:17 UTC
Tags:
trojan formbook 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 file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe keylogger obfuscated packed replace.exe 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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 591217 Sample: Ordem de Compra.exe Startdate: 17/03/2022 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 15 other signatures 2->50 10 Ordem de Compra.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\...\iQOAKzXZNg.exe, PE32 10->36 dropped 38 C:\Users\...\iQOAKzXZNg.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpEEC4.tmp, XML 10->40 dropped 42 C:\Users\user\...\Ordem de Compra.exe.log, ASCII 10->42 dropped 52 Writes to foreign memory regions 10->52 54 Adds a directory exclusion to Windows Defender 10->54 56 Injects a PE file into a foreign processes 10->56 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 powershell.exe 25 10->19         started        21 schtasks.exe 1 10->21         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 23 explorer.exe 14->23 injected 72 Tries to detect virtualization through RDTSC time measurements 17->72 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        process8 process9 29 wscript.exe 23->29         started        signatures10 58 Modifies the context of a thread in another process (thread injection) 29->58 60 Maps a DLL or memory area into another process 29->60 62 Tries to detect virtualization through RDTSC time measurements 29->62 32 cmd.exe 1 29->32         started        process11 process12 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-17 12:52:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
675d86bd3facec7e92e224097610169c74b5a237e9dd9043da0d4a3acb80542a
MD5 hash:
345af4f4968d5ff6e30999edcc70de88
SHA1 hash:
f806e21f09c16abdfbfcc1caf0e49c494ebf75c5
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
SH256 hash:
0a52e85f02b110b77202e27fedeabb7321317425c4910b70df2ae4e4435f4b8a
MD5 hash:
2a7a50c882e27b9a6fe5d004fb38522f
SHA1 hash:
3a1f3eed1ac2e59fd9956b919d37920f4128191e
SH256 hash:
b8ae965dc24d6b7149c486672bf33989d6c27f108a68cb447cf5308eb91b8217
MD5 hash:
068a2c1d397ecd38aba855db9ff4a9c3
SHA1 hash:
8ad4ff2730b660b5ef94370ad010c6a91d758745
Malware family:
FormBook
Verdict:
Malicious
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_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 b8ae965dc24d6b7149c486672bf33989d6c27f108a68cb447cf5308eb91b8217

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments