MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b4e5aa55cbdd7022d83fb2a9b0f84744ad992fcee7633ad0e109197ebe15de7. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: 7b4e5aa55cbdd7022d83fb2a9b0f84744ad992fcee7633ad0e109197ebe15de7
SHA3-384 hash: d872321f0b7030022263e7524b1df4626990d1ac192537ae936eb44795995bc4eee3f453d4d068ecaef03325504a46d1
SHA1 hash: 97cef0b1930d9da6cfab58353176e0809d325e57
MD5 hash: 132ee99c9c018c5b648f4faeb29e7814
humanhash: zebra-bulldog-xray-oscar
File name:ReqFQ.PDF.exe
Download: download sample
Signature Formbook
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File size:698'880 bytes
First seen:2022-06-10 14:36:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'845 x AgentTesla, 19'778 x Formbook, 12'302 x SnakeKeylogger)
ssdeep 12288:pt9C8+jXbW9qT9q0UhyjzEpLGqfU5RoEXflUDyO3JdeSgilA1BCw6uo8d:ptlCXKOnUhyjQpLGqfU57dM5dbp4Bd6y
TLSH T186E4231432A502E0E3FA0FB51D433440A5BAA99759B7EF3F9D84664B17CEBCB113A742
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
ReqFQ.PDF.zip
Verdict:
Malicious activity
Analysis date:
2022-06-10 09:45:59 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/1a7c7ee4-9298-4efa-9ee2-fb99e9b7e789

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/278705/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.33633.20716.4103.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a3573273b91c38f67d7d21/reports/67222c4d-2f25-4524-9221-87ecd66e797a/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/951acc45-8412-4785-beda-5155512ebb2e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1010913
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 643409 Sample: ReqFQ.PDF.exe Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 29 www.fersegranit-granite.com 2->29 31 www.apupnamedscoobydoo.com 2->31 33 apupnamedscoobydoo.com 2->33 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 9 other signatures 2->49 10 ReqFQ.PDF.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\ReqFQ.PDF.exe.log, ASCII 10->27 dropped 51 Tries to detect virtualization through RDTSC time measurements 10->51 14 ReqFQ.PDF.exe 10->14         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 Queues an APC in another process (thread injection) 14->59 17 msiexec.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 23 cmd.exe 1 17->23         started        35 www.novayaart.online 20->35 41 System process connects to network (likely due to code injection or exploit) 20->41 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/7b4e5aa55cbdd7022d83fb2a9b0f84744ad992fcee7633ad0e109197ebe15de7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-06-09 12:34:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pnhfvjk4xxlqelmd7mvjwd4eorfntex45z3dhlioccizp27blxtq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:heqa loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220610-ry5jrsgef8/
Behaviour
Gathers network information
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5c2aabda88477a202f53c20cc91650e30d91faf44f0d2891a3f2b90ddb8d0ca9
MD5 hash:
5a7bae48076b47cc83ef2ed4e34408c6
SHA1 hash:
dbd68d21a3d270db3ae79f15d17952776c29fbd3
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/3ef0dcea-1f87-419c-bfdb-49c566be7d22/
Parent samples :
cb2d3cd221225e675584cb8ab415b856c860e003c03f408fa5398c512a47c98a
7b4e5aa55cbdd7022d83fb2a9b0f84744ad992fcee7633ad0e109197ebe15de7
43963e1c6c61b149cecadcf3d653c197836f104e2396a174ff0cfae18f041ace
SH256 hash:
051e1bb90ca1dc94b84ef863a1aa6c323dbdfe2406824bf6149936beefac1c97
MD5 hash:
a730c8b1ce295bdce3ab8169c18ab8d3
SHA1 hash:
addc60436378c0f9a69529a4fc77a8c4ba8a662f
Link:
https://www.unpac.me/results/3ef0dcea-1f87-419c-bfdb-49c566be7d22/
SH256 hash:
fe78017f2153de0c5ca645c4255899ab044502fe5c77d5c04ced635d9fe981d9
MD5 hash:
ab47b292d4d39311539a0b97e6661f4f
SHA1 hash:
54cd9efbebe4f41b23e6f24fffac0da8f72d921b
Link:
https://www.unpac.me/results/3ef0dcea-1f87-419c-bfdb-49c566be7d22/
SH256 hash:
d726628d322d94a5389cbcab23c8923ed09af3b217691f5c33e0e372e03bb663
MD5 hash:
c7014be967a4e882805df38ef177a2cb
SHA1 hash:
4a8dff77a139d07d37cfb60b6b3e0774e11edccd
Link:
https://www.unpac.me/results/3ef0dcea-1f87-419c-bfdb-49c566be7d22/
SH256 hash:
7b4e5aa55cbdd7022d83fb2a9b0f84744ad992fcee7633ad0e109197ebe15de7
MD5 hash:
132ee99c9c018c5b648f4faeb29e7814
SHA1 hash:
97cef0b1930d9da6cfab58353176e0809d325e57
Link:
https://www.unpac.me/results/3ef0dcea-1f87-419c-bfdb-49c566be7d22/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b4e5aa55cbd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/7b4e5aa55cbdd7022d83fb2a9b0f84744ad992fcee7633ad0e109197ebe15de7

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
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 7b4e5aa55cbdd7022d83fb2a9b0f84744ad992fcee7633ad0e109197ebe15de7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/278705/

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