MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 577be11cf58c8f96ee336ccf5bae82afc461d139ea81ab696877d6fbbe0ade62. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 577be11cf58c8f96ee336ccf5bae82afc461d139ea81ab696877d6fbbe0ade62
SHA3-384 hash: 3ea1fcd6695350ac75d0f0301dac7e9f30ef833f1f0aa60bf55e26420f842bc64e4117643a61e6b3101e3c556bc79dc4
SHA1 hash: 01ebd613cd4ed8edcbc5c2c108575af077c551bb
MD5 hash: 92dd2dc529fa579c3dbd71aa64b6030f
humanhash: pluto-oranges-two-edward
File name:RFQ 0203-2022.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:733'696 bytes
First seen:2022-02-15 13:55:01 UTC
Last seen:2022-02-15 16:04:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:fR5k+K3GihKGsNuq8W0Op9MzxayGHEhNyhwkJYw5CbWnY53:JaLGrGsNz0OExayGkBep5I5
Threatray 13'495 similar samples on MalwareBazaar
TLSH T1D8F4020173F33745C4361BFAD4A695450BF97A9E1927D23DC99260CE1C63B908A3EA3B
File icon (PE):PE icon
dhash icon 0012360d4d1e8606 (19 x AgentTesla, 12 x Formbook, 4 x SnakeKeylogger)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/241626/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1197.29258.28484.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/620bb0bbac8ad0468b426ad6/reports/84e81c24-6f06-466c-8288-5f27a8b3159d/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a10e0af1-1e38-4d96-97c9-b59da229b05b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940117
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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: 572595 Sample: RFQ 0203-2022.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 9 other signatures 2->49 9 RFQ 0203-2022.exe 7 2->9         started        process3 file4 37 C:\Users\user\AppData\Roaming\PInIFAF.exe, PE32 9->37 dropped 39 C:\Users\user\AppData\Local\...\tmpB3C6.tmp, XML 9->39 dropped 41 C:\Users\user\...\RFQ 0203-2022.exe.log, ASCII 9->41 dropped 59 Adds a directory exclusion to Windows Defender 9->59 61 Injects a PE file into a foreign processes 9->61 13 RFQ 0203-2022.exe 9->13         started        16 powershell.exe 24 9->16         started        18 schtasks.exe 1 9->18         started        20 RFQ 0203-2022.exe 9->20         started        signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 13->63 65 Maps a DLL or memory area into another process 13->65 67 Sample uses process hollowing technique 13->67 69 Queues an APC in another process (thread injection) 13->69 22 cscript.exe 13->22         started        25 explorer.exe 13->25 injected 27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        process8 signatures9 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 31 cmd.exe 1 22->31         started        33 explorer.exe 152 22->33         started        process10 process11 35 conhost.exe 31->35         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/577be11cf58c8f96ee336ccf5bae82afc461d139ea81ab696877d6fbbe0ade62/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-15 09:15:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k556chhvrshzn3rtnthvxlucv7cgdujz5ka2w2lio7lpxpqk3zra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
201616caaad839735dc703230c000ebb254e0435a77253e160622c8cfbe10cc6
Formbook
2fd3db9eb65d7a120e24e7245a73e4e88d4b2a7998d82986e8b2e2f20af1d932
Formbook
503afb59d8192f6adb3e67db043eeb6459e8ec3fc117ef8e2f6690d5f0c4a12b
Formbook
640ac0fcf97c0474f805fdf150d7c539650a833e1cbb47393e188da5a1f5f5c3
Formbook
8e133618d88f4eb1975953fc0ef639a7192f7fea403f5a777a698a4631f741a6
Formbook
950ead10061a0d06ae1314f85d90925ed519d91ff8360236960e9abf68a99b7c
Formbook
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
Formbook
b3b6f6f58e9df22dda93da3c41997e4c36b48b4e8e851a217c572a0b78ce4b83
Formbook
fa3b721595b9e5571bcfd42767aa563f6e363a3fff9e9cdbfb525d0f28e62eb7
Formbook
+ 13'485 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:s6ap loader rat
Link:
https://tria.ge/reports/220215-q744xsfef6/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
3c1ba9de0677c2858a31b1c6fb76c62057fafea71b8a9c2ff590dc6b613042bc
MD5 hash:
1b366eb9312ece4f18476025575da330
SHA1 hash:
df395ed641c3c1af1e67ec8988c0784052cd40ac
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/161542be-8f94-4309-89f8-f4c37609d3f0/
Parent samples :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 hash:
bea4ba3c414f60d5728812eaafe1f5023b5337a70f39d170e90681f57132ba32
MD5 hash:
fa9d57cf89b159b6fd9a36898ba77d07
SHA1 hash:
f65d8d35abf0a01d1c02db18bd353cd7b6f4df7e
Link:
https://www.unpac.me/results/161542be-8f94-4309-89f8-f4c37609d3f0/
SH256 hash:
63b6403c6ea1378c0ff49f069597b45496dba6c0161d240e64885ab6f0806d04
MD5 hash:
72b143fd989c37772556bf302ac33be1
SHA1 hash:
ee377db4778e70261d34f8210208069df41a12ef
Link:
https://www.unpac.me/results/161542be-8f94-4309-89f8-f4c37609d3f0/
SH256 hash:
fcdf09cd5ff4beb50295ce36f24dfa2d7dbe391f63c488fbd09d299952d2c2b4
MD5 hash:
f30babb70d26d447fc1129bce74c3331
SHA1 hash:
0cc05707ad15df10f733d53b5bc9769ea0c6763a
Link:
https://www.unpac.me/results/161542be-8f94-4309-89f8-f4c37609d3f0/
SH256 hash:
577be11cf58c8f96ee336ccf5bae82afc461d139ea81ab696877d6fbbe0ade62
MD5 hash:
92dd2dc529fa579c3dbd71aa64b6030f
SHA1 hash:
01ebd613cd4ed8edcbc5c2c108575af077c551bb
Link:
https://www.unpac.me/results/161542be-8f94-4309-89f8-f4c37609d3f0/
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/577be11cf58c8f96ee336ccf5bae82afc461d139ea81ab696877d6fbbe0ade62

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
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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.

Cape
Cape
https://www.capesandbox.com/analysis/241626/

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