MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c349c8a20c6576c397a5dff95fb121e7a16dfdd992e08694a4aacf387cf8c3e7. 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: c349c8a20c6576c397a5dff95fb121e7a16dfdd992e08694a4aacf387cf8c3e7
SHA3-384 hash: fa88f4760c745a39d6766ce02a9a2b964e5156d7113f470bc4c3d94d2f06bccac18d7a3839de19c4c7321d028a83ad6a
SHA1 hash: 4c904c97c6d806a86edebe06f0972a8f8d20d6d9
MD5 hash: 7900dcea134e84a16491a43722518b95
humanhash: eighteen-eighteen-mexico-happy
File name:7900dcea134e84a16491a43722518b95.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'008'128 bytes
First seen:2022-03-14 19:01:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:iEx2iNB0O7yJ0JTlkSuiTgcuj0AzWxNAmydE7Cagkjc3p3srKEZGYKxpeQxx+qx8:71+kxkFHbJzuOdEGa3jc3p3Ap8djxU
Threatray 11'429 similar samples on MalwareBazaar
TLSH T11125D0E0FF0892BEDC05613AC4A85C701DB52B9D2119BF0A917F219D457BACF49A6C2F
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/250384/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/622f90f90cd58dbd92988089/reports/d46bb464-7bab-4fe9-9637-c4c6c28bf996/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6fc0c8d6-671e-4045-91fc-c5fa35356f6c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/956493
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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: Suspect Svchost Activity
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Svchost Process
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 588974 Sample: 3fKIpSUlcA.exe Startdate: 14/03/2022 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 12 other signatures 2->50 10 3fKIpSUlcA.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\OadPdT.exe, PE32 10->36 dropped 38 C:\Users\user\...\OadPdT.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp8FB1.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\3fKIpSUlcA.exe.log, ASCII 10->42 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 10->52 54 Adds a directory exclusion to Windows Defender 10->54 14 RegSvcs.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 2 other signatures 14->68 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 svchost.exe 21->27         started        30 WerFault.exe 17 4 23->30         started        signatures10 56 Modifies the context of a thread in another process (thread injection) 27->56 58 Maps a DLL or memory area into another process 27->58 60 Tries to detect virtualization through RDTSC time measurements 27->60 32 cmd.exe 1 27->32         started        process11 process12 34 conhost.exe 32->34         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/c349c8a20c6576c397a5dff95fb121e7a16dfdd992e08694a4aacf387cf8c3e7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-14 16:12:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yne4riqmmv3mhf5f374v7mjb46qw37ozslqinffevlhtq7hyyptq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1201a0c89e08bb6bad16c0a265ed660dd8473a16bf74980f372ed0a49190c39f
Formbook
1816a19316181d9107bad9b5e6050a3a20328eab8ca6a7a4efab45ded9e5ba22
Formbook
88a52cb96bc7ae6d6788e1c3f4bca7c4bd379037cba08c6a86f28694f767d9d9
Formbook
ad2a4c7b0a58ac2e841eaad428581b697a5a0a6589165cb5fd5e7550e9029f3f
Formbook
c924fc1e1e5a0904c3d43bf5bcd7f1fcdcc27ee166a5e163d36ed64b04d7d89f
Formbook
d8ac2116303d1c28417b692db2a7b9102c9d1072b32a1a2679f4df3806b301b5
Formbook
+ 11'419 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:vfm2 loader rat suricata
Link:
https://tria.ge/reports/220314-xqc3fadcfl/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
.NET Reactor proctector
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
aebfe918b516192a6ecdad451f90e8ae597b91d8c650be89363c45d20f5a41cb
MD5 hash:
4c3cfedf5d918c8277075db324ba11de
SHA1 hash:
eca39c0b3ec056a38e9c3a75902a40af9480cf2e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/31b77172-bd1d-48bd-9f55-d6a954d338e1/
Parent samples :
4ba1bb8220fe9f1c374cf2583459ac05af4ecf4a0ed023f42cac04da0dd0ea8b
94e8308989d63f75b02e89c5d30e01d9d7dedbf7bb446d3aa6fb83b6e20bcecc
3354bfb1dd06bae0110dac4363b13fde838e8299af8d9acb67fe5a39ae4159bf
6e164cb51ca6a0c1c9c27d4d4fece6d970bfe924be2f5766fd2d04bd59fe0d6e
c349c8a20c6576c397a5dff95fb121e7a16dfdd992e08694a4aacf387cf8c3e7
19d34ef30d521849caa19f1cf2adc2f4c8097483cfb436ff6066ad60387b630f
ca77df966e202e0eab6d3c2280f95fb59aee28b5e9e540be3dca1d66c46bf2af
SH256 hash:
5db29d3e4766824d50bd120934434492d965de5d16a3218f16da7fe1a1f9b303
MD5 hash:
1cc329592e2712b5f7875052c5a87a9f
SHA1 hash:
6eabcf36817171d6232f283f7aba0ecb060210d1
Link:
https://www.unpac.me/results/31b77172-bd1d-48bd-9f55-d6a954d338e1/
SH256 hash:
ac061ee144d6f2d32909993b5f11aec5774938f2f2ca1089f98e702ac24bd368
MD5 hash:
67005890546d7bd9717f01bf67ed2195
SHA1 hash:
53e762a9932c33ee31a255d532868117589c47a4
Link:
https://www.unpac.me/results/31b77172-bd1d-48bd-9f55-d6a954d338e1/
SH256 hash:
41d315a1a9f98a5d3cd1e69fb06203ff45eecf2124f451e27b76d8ee9d8eb1ef
MD5 hash:
b40b5f22203134ef9a9d86cb4943a79f
SHA1 hash:
42957925d74ea670b0dfe93ff69c13043e8d9c6e
Link:
https://www.unpac.me/results/31b77172-bd1d-48bd-9f55-d6a954d338e1/
SH256 hash:
c349c8a20c6576c397a5dff95fb121e7a16dfdd992e08694a4aacf387cf8c3e7
MD5 hash:
7900dcea134e84a16491a43722518b95
SHA1 hash:
4c904c97c6d806a86edebe06f0972a8f8d20d6d9
Link:
https://www.unpac.me/results/31b77172-bd1d-48bd-9f55-d6a954d338e1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c349c8a20c6576c397a5dff95fb121e7a16dfdd992e08694a4aacf387cf8c3e7

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.

Web download

Formbook

Executable exe c349c8a20c6576c397a5dff95fb121e7a16dfdd992e08694a4aacf387cf8c3e7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2095968/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/250384/

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