MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4cb0f9cc73c9dda17e2c27e0c35cec8b5f58d08910f4ad237814f8f3a9b3723. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4cb0f9cc73c9dda17e2c27e0c35cec8b5f58d08910f4ad237814f8f3a9b3723
SHA3-384 hash: 724327d960ed43d9ef1fc2e3111b094e67120841cadc2eb4f7476e925a2f6ba86545af9bd4c2a96553b5bcae47938598
SHA1 hash: 0215207219aa769913b8f0d3d4766d516672fb8c
MD5 hash: 9c9517d87cf30f3883a1bb5415325796
humanhash: equal-lamp-seventeen-seventeen
File name:9c9517d87cf30f3883a1bb5415325796.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'496'576 bytes
First seen:2020-11-06 09:47:02 UTC
Last seen:2020-11-06 11:58:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:Myav02WDrXh5cRBUsLQB71Pv/yuOIUyaWGW+iYd0SSjuHR8h+APXcDizGoNr06GU:avm
Threatray 2'879 similar samples on MalwareBazaar
TLSH 2865E0E071C25F7A87DA824F30994E3E1EE17DE99692BE58C7F156F3A912FD20B14804
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic.mg.9c9517d87cf30f38.110.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser 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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/522299
Signature
Hides threads from debuggers
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 submitted file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 310263 Sample: KZ7qjnBlZF.exe Startdate: 06/11/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected FormBook 2->42 44 2 other signatures 2->44 10 KZ7qjnBlZF.exe 2->10         started        process3 signatures4 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Hides threads from debuggers 10->56 13 KZ7qjnBlZF.exe 10->13         started        16 WerFault.exe 10->16         started        process5 file6 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 19 explorer.exe 13->19 injected 30 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 16->30 dropped signatures7 process8 dnsIp9 32 www.0z4rs4.com 34.102.201.122, 49753, 80 GOOGLEUS United States 19->32 34 www.uoudo.com 19->34 36 3 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 cmmon32.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4cb0f9cc73c9dda17e2c27e0c35cec8b5f58d08910f4ad237814f8f3a9b3723/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-11-06 10:43:20 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=utfq7hghhso5uf7cyj7aynoozc27ldiisehuvurxqfhy6ou3g4rq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
1d6b4c596e189a78ffd872bffe908aaf27f74f6c36dddfd50b517f9155c0938b
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3166a5f6f1e3106d5e14ae801aa28fc50587edabf919e3cce2dbb3576cc20a5e
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5038f7f49d3052a244db8019146b11b139d09d867205416ee70df3d97f065a28
Formbook
52a6c71e63ed3857be2fa0fb314ce631820994fb7e852fb66bca923efbee2380
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718d659864d771ebadf82d8b5461d39c2bd6bd514ea2d2273d2821a23ab28ed0
Formbook
8ce26cc2fb22fe3d89d7f4bd9ea925f0719ff9208b4e37b1f71b9d4e810bcc0c
Formbook
cb9826fb54d83c293531c905827920511bd9d7b259da01ac1e593d9d10aec334
Formbook
+ 2'869 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201106-ygwwn1wfme/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.geteugenejustice.com/sub/
Unpacked files
SH256 hash:
a4cb0f9cc73c9dda17e2c27e0c35cec8b5f58d08910f4ad237814f8f3a9b3723
MD5 hash:
9c9517d87cf30f3883a1bb5415325796
SHA1 hash:
0215207219aa769913b8f0d3d4766d516672fb8c
Link:
https://www.unpac.me/results/c48926f3-360b-4ce1-b37f-5ff8a75f214d/
SH256 hash:
47ade7f882b7dfcd332cf70336a16cffacea75ad6e4f04fb70e0929b953006db
MD5 hash:
ecea1d73987ec9e50e4b5b10d66b7997
SHA1 hash:
6d655974337657fb54e968ccfccf6983bed35c54
Link:
https://www.unpac.me/results/c48926f3-360b-4ce1-b37f-5ff8a75f214d/
SH256 hash:
0b190efe00541a1f7129f06c18d5edc212fd69d3d45766003776dc38ff99eb41
MD5 hash:
0a37e0ef8979bf92c9971674e815a39b
SHA1 hash:
89009feaf0086777b3a223f23a3bff16bf2ad45b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c48926f3-360b-4ce1-b37f-5ff8a75f214d/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Web download

Formbook

Executable exe a4cb0f9cc73c9dda17e2c27e0c35cec8b5f58d08910f4ad237814f8f3a9b3723

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/792516/
  
Delivery method
Distributed via web download

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