MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1. 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 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1
SHA3-384 hash: de95340440683eb01e933b887eea0e2009478c6ced0aadc68c2140fb18be6b659feab4d5c47352829b9a60e211e3898c
SHA1 hash: b5a0a41c6b3059a93effa972c8f2641192419445
MD5 hash: ac9f7c1ebdf2d688c3f9b7ff82bf4c0a
humanhash: high-jersey-virginia-sweet
File name:ac9f7c1ebdf2d688c3f9b7ff82bf4c0a
Download: download sample
Signature Formbook
Create hunting rule
File size:452'758 bytes
First seen:2022-11-23 11:40:10 UTC
Last seen:2022-11-23 13:32:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:iyEa0sZPLivhZvzkUIRkPQD97qEIb+Qz5W45y/fIXoQGFGtcSsYYL:is4T7wk4VqvKQpEYG5SsLL
TLSH T1A9A4BF087FD39A36CE66B976CCD386B9D7768F019A62CB237B443F1A983416CCB25150
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0f8fcfcfcf8fc08 (3 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
368
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ac9f7c1ebdf2d688c3f9b7ff82bf4c0a
Verdict:
Malicious activity
Analysis date:
2022-11-23 11:40:45 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f2a96143-52d5-4030-a641-fc93e83f5cb0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/337573/
Detection(s):
SecuriteInfo.com.Win32.InjectorX-gen.10737.2221.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/637e06cf559d07a06f46fdd0/reports/17a1bfd6-e21d-4e01-bf6d-6f8dff7adcbf/overview
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/f8004250-c5e0-4e7a-80f8-4e70a830aed0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1119649
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dnsIp2 2 Behavior Graph ID: 752365 Sample: 55Z8jaL3Uc.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 37 www.ffafa.buzz 2->37 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected FormBook 2->57 59 3 other signatures 2->59 12 55Z8jaL3Uc.exe 18 2->12         started        signatures3 process4 dnsIp5 43 192.168.2.1 unknown unknown 12->43 35 C:\Users\user\AppData\Local\Temp\ttiun.exe, PE32 12->35 dropped 16 ttiun.exe 1 12->16         started        file6 process7 signatures8 45 Antivirus detection for dropped file 16->45 47 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 16->47 49 Maps a DLL or memory area into another process 16->49 51 Tries to detect virtualization through RDTSC time measurements 16->51 19 ttiun.exe 16->19         started        22 conhost.exe 16->22         started        process9 signatures10 61 Modifies the context of a thread in another process (thread injection) 19->61 63 Maps a DLL or memory area into another process 19->63 65 Sample uses process hollowing technique 19->65 67 Queues an APC in another process (thread injection) 19->67 24 explorer.exe 19->24 injected process11 dnsIp12 39 www.ekeisolutions.com 24->39 41 ekeisolutions.com 34.102.136.180, 49721, 80 GOOGLEUS United States 24->41 69 System process connects to network (likely due to code injection or exploit) 24->69 28 mstsc.exe 24->28         started        signatures13 process14 signatures15 71 Modifies the context of a thread in another process (thread injection) 28->71 73 Maps a DLL or memory area into another process 28->73 75 Tries to detect virtualization through RDTSC time measurements 28->75 31 cmd.exe 1 28->31         started        process16 process17 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-11-23 11:41:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=is2hggk6r5ev7hstrgn23kv7bylewuxmhtb5oo7dywomlrlqztiq._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:lt63 rat spyware stealer trojan
Link:
https://tria.ge/reports/221123-nte7jacg4y/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
f85988a97318ca71790688312a923e4b10cd05790801c747b0f0bb9ebc0a6ee2
MD5 hash:
b1bbc7280df281e302e1c28cc2f26c17
SHA1 hash:
f71f9319c4759421f887af24f914f9193c927199
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f6e1ee10-a988-4a6b-ab6b-11c7cfbfa15f/
Parent samples :
44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1
66c5b65f8e75acbce3103b6527cc1c32fdb53467c9b22475f36b60b28ed85f26
f4a9a76e7a18ea2e2dcf234b006be09f9fdf1cbd4ac7d88bdf0dced5cb453374
7a0e92402659c86d9da6faf33be3817996718051ea564e34aa43a41606df7be6
548fb330ffeb62ab1fd674a557606885338344c8cc807e2a3f9c64e475bdf2c0
d38f58de7af51ac311b23e3f813e8c33599df3f5fe78661fd8b50b90b7805b22
68cb6a1efb7c442f063eee5ae3f96ae12a3d2fba0852f22aa7a761cf8b1ae31a
SH256 hash:
c1357d9479a40910d2c6030b58905e263ae821b1132617059df13d9a2dd0960a
MD5 hash:
cb9b2eec89472e53b529a2abbea610d3
SHA1 hash:
76a747cbfdd15c81d7df9cae1b6c6daf21f488c9
Link:
https://www.unpac.me/results/f6e1ee10-a988-4a6b-ab6b-11c7cfbfa15f/
SH256 hash:
44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1
MD5 hash:
ac9f7c1ebdf2d688c3f9b7ff82bf4c0a
SHA1 hash:
b5a0a41c6b3059a93effa972c8f2641192419445
Link:
https://www.unpac.me/results/f6e1ee10-a988-4a6b-ab6b-11c7cfbfa15f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44b473195e8f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.58
Link:
https://yomi.yoroi.company/submissions/44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1

File information

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

Web download

Formbook

Executable exe 44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2431514/
Cape
Cape
https://www.capesandbox.com/analysis/337573/

Comments


Avatar
zbet commented on 2022-11-23 11:40:13 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/light.exe