MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9
SHA3-384 hash: fb1c5d62c5c95db383e0ce06f3ac61e2c64a0f071b933735e86208c8d1cf804f08b07a24de043e0812c5fc9b5b2996be
SHA1 hash: 7bd049d3ad3383720fe7a722cad44636ee265b21
MD5 hash: 09e4447ea8d8d700e0a3db794172885e
humanhash: quiet-cat-louisiana-one
File name:Novo pedido de compra.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:801'280 bytes
First seen:2022-04-06 20:36:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:3/RM3113C3AIb7B546q7Du5GzC5tmMuKAXrrSj+o094lmB/sOJJH+LZAjJPcWdzY:KDSwIZZq70MCpQy2iOJJeLKjJ/JKB
Threatray 14'701 similar samples on MalwareBazaar
TLSH T1AE05120030646B62D5BDCFFA0192D6564BFA221ABB58DD1AAFDB74C839C63C013D1A67
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/261489/
Detection(s):
Porcupine.Unclassified.104892.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23104f15-76c9-4751-9aef-5c14389614fe
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971910
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 604393 Sample: Novo pedido de compra.pdf.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 17 other signatures 2->56 10 Novo pedido de compra.pdf.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\...\larlYBqpTyae.exe, PE32 10->38 dropped 40 C:\Users\...\larlYBqpTyae.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp6068.tmp, XML 10->42 dropped 44 C:\...44ovo pedido de compra.pdf.exe.log, ASCII 10->44 dropped 60 Writes to foreign memory regions 10->60 62 Adds a directory exclusion to Windows Defender 10->62 64 Injects a PE file into a foreign processes 10->64 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 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 23 explorer.exe 14->23 injected 74 Tries to detect virtualization through RDTSC time measurements 17->74 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        process8 dnsIp9 46 www.freshlyhair.com 23->46 48 parkingpage.namecheap.com 198.54.117.218, 49793, 80 NAMECHEAP-NETUS United States 23->48 58 System process connects to network (likely due to code injection or exploit) 23->58 31 control.exe 23->31         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 31->76 78 Maps a DLL or memory area into another process 31->78 80 Tries to detect virtualization through RDTSC time measurements 31->80 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-04 22:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgp3qxsurijuvpprrnvj2fe3trhsx6nq6u2n2teg4yabqd5rtp4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d913321824b24f168daf6da5e888c9700fb5ed5e3bc06bd24be670c1a10fcb7
Formbook
4d0c9dd68f5700d34f7567ded0e1dc4a1e958edb4edcc32eb9557ab69e7d90e2
Formbook
5d199f6e3b18707bf891e790552a097e326cb170308a95d4915b1a8e1718a4cf
Formbook
636d458bc8171a86d3e762b66600c6060ef6cefcebd0412559024b7b07be8682
Formbook
6c508beda564432a5658a9a1a1ef8061971195cc9ad84fba7c38db9b65450eab
Formbook
cd76d4063992bb159bf31d7cc4ff6dcb4acbbb2c47b5cd6a1de03e5f60bb5c6e
Formbook
d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f
Formbook
d9477f38fadfaf52a609392f7b372b558c7aa029da15f940331fcc48ef0ad9a9
Formbook
e638074622767c226f5cdb70802da5b362d775d9eeffb5b69fc372a9b721225d
Formbook
fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4
Formbook
+ 14'691 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer trojan
Link:
https://tria.ge/reports/220406-zd5b9shhd4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f7e60630-65e9-4072-b248-ffff85fdb74c/
Parent samples :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 hash:
50f55b61df94d5279f4bbfb3f659f6ee88f36d26e1e11fdd773774cf81489765
MD5 hash:
00fe4138541e5fa30d73d9367403a75b
SHA1 hash:
f4b4ad268233f10eda6e6a644e369b9257e66391
Link:
https://www.unpac.me/results/f7e60630-65e9-4072-b248-ffff85fdb74c/
SH256 hash:
806df5c23041ac1ff4cb04ff46703b3b6558711f1470ebf32e25c31a63219266
MD5 hash:
a8d945ff5aded34b235cb501c690f48b
SHA1 hash:
8d6e344df8f3bb4892d86b2ec76e1561904c7eb9
Link:
https://www.unpac.me/results/f7e60630-65e9-4072-b248-ffff85fdb74c/
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
Link:
https://www.unpac.me/results/f7e60630-65e9-4072-b248-ffff85fdb74c/
SH256 hash:
499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9
MD5 hash:
09e4447ea8d8d700e0a3db794172885e
SHA1 hash:
7bd049d3ad3383720fe7a722cad44636ee265b21
Link:
https://www.unpac.me/results/f7e60630-65e9-4072-b248-ffff85fdb74c/
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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/261489/

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