MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 96c3436278c0ed48735a9128169ec1fb8a3408aa83228628e423a2104db3153c. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 96c3436278c0ed48735a9128169ec1fb8a3408aa83228628e423a2104db3153c
SHA3-384 hash: 4e8b228af9e1f2f2980f9c3baafc35a3fd8eb61db20715e090d4188d50567337be68c184d771f4a3b8a3cb6843b56f6a
SHA1 hash: 6eebb660253e3382b7bb4fd01bfd3a03862dd50a
MD5 hash: e41cb4b03e65ecc7e67204c104de9dc2
humanhash: jersey-carpet-beer-ohio
File name:Ro4Mb1t5oSM6AfP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:415'744 bytes
First seen:2022-03-07 09:44:26 UTC
Last seen:2022-03-07 11:52:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:uLGRUiH3Z64pvTainYaZX9T2rZQp6F4z7UP82i4YdKvS6MBXNAoT30FP:uLGRUcZ64pvrYaZNy6T2iFdKvO+0
Threatray 14'057 similar samples on MalwareBazaar
TLSH T10994E059713685E1DABD8B780962560CCFE89276D34FF6BC28CAB49C04B0F8F464D927
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/247842/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.27740.20222.15531.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Unauthorized injection to a system process
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/ce377fbd-2283-481c-bb27-1d5a7ebfae2c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951684
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
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 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 submitted file
Performs DNS queries to domains with low reputation
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584162 Sample: Ro4Mb1t5oSM6AfP.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 29 www.cfcfcs.xyz 2->29 31 www.pilatesvilanova.com 2->31 33 store-images.s-microsoft.com 2->33 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 9 other signatures 2->55 10 Ro4Mb1t5oSM6AfP.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\Ro4Mb1t5oSM6AfP.exe.log, ASCII 10->27 dropped 57 Writes to foreign memory regions 10->57 59 Injects a PE file into a foreign processes 10->59 14 RegSvcs.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 2 other signatures 14->67 17 systray.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Tries to detect virtualization through RDTSC time measurements 17->45 23 cmd.exe 1 17->23         started        35 www.walletwriter.space 20->35 37 www.myesthetic.club 20->37 39 parkingpage.namecheap.com 198.54.117.211, 49777, 80 NAMECHEAP-NETUS United States 20->39 47 System process connects to network (likely due to code injection or exploit) 20->47 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/96c3436278c0ed48735a9128169ec1fb8a3408aa83228628e423a2104db3153c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-07 08:36:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=s3bugytyydwuq422seubnhwb7ofdicfkqmrimkheeorbatntcu6a._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
335fa8671bb1ef8659247de4bed05898512fb3a056ef6deb31849eefef8a4743
Formbook
3e302b7a1b7d9862a5917a03e08205d8016cb2974566725e16926f4e6cff9c6b
Formbook
48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898
Formbook
53685ac5f275b61fc580f2203e7d7e431d2b03b8e4320015b428745d68d5e333
Formbook
705bf99df489a6945a540499bc8c6d7b7564d9a255629e326013d4a85bb77a78
Formbook
787179b3dd4ded4008927e4033331b00b60762872da94de5db3e6bf4a3b6e143
Formbook
943206c8028ed79aa0aafefa101ffa5d3034cf92b82f705556f12cf0a7eb5a5c
Formbook
dae8588b604d0728a1a1ecc77096197a34ed1b22ae7de69a53f39b59e6574ffd
Formbook
e183423e51a5a8a73fd0c6743817e57d18ac7d97585b91c3b8f278deef2fd106
Formbook
e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
Formbook
+ 14'047 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:k8yh loader rat suricata
Link:
https://tria.ge/reports/220307-lq3sbaffgp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
aaa0c6273d7b59ceedbd636352bf6c88c7c0aadb0bee4a0854e80ca0b3e2a176
MD5 hash:
7dbd56f4a7e3c4fed4fbee07bb93a652
SHA1 hash:
a45fa51cf3f57ad4faf418db846e15660471d9e0
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/baba3821-2f80-4868-8da4-9a270c35deb3/
Parent samples :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 hash:
d1c9629522396729c19ee3e76e91fe226938b0ff596092b4ac217daaeb144eeb
MD5 hash:
88942378d435f8b13e1cbcaff880c231
SHA1 hash:
622c25a0ef834106bf027162c91b99572385aa17
Link:
https://www.unpac.me/results/baba3821-2f80-4868-8da4-9a270c35deb3/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/baba3821-2f80-4868-8da4-9a270c35deb3/
SH256 hash:
96c3436278c0ed48735a9128169ec1fb8a3408aa83228628e423a2104db3153c
MD5 hash:
e41cb4b03e65ecc7e67204c104de9dc2
SHA1 hash:
6eebb660253e3382b7bb4fd01bfd3a03862dd50a
Link:
https://www.unpac.me/results/baba3821-2f80-4868-8da4-9a270c35deb3/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/96c3436278c0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/96c3436278c0ed48735a9128169ec1fb8a3408aa83228628e423a2104db3153c

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:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 96c3436278c0ed48735a9128169ec1fb8a3408aa83228628e423a2104db3153c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/247842/

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