MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 907b84898eb50aef8dd7df0e978775565dc18c2569c6c5872763a905440ed5b3. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 907b84898eb50aef8dd7df0e978775565dc18c2569c6c5872763a905440ed5b3
SHA3-384 hash: d1a8feee951b759e28cd78208a30a87c86c6a8df0caeb5f18e075dc1a5193f21d5a1322e45e7f10df8757a3b2a08f439
SHA1 hash: cdae6e4db6bedad95f1749c2f7240ab5daba0a0b
MD5 hash: d7082e2e0100ed929bc7e57d9d34557c
humanhash: east-red-table-shade
File name:Quotation_23653735.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'598'464 bytes
First seen:2021-03-09 01:13:16 UTC
Last seen:2021-03-09 02:37:39 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 12288:WlQxVnUbHdzAOOmumOmumhBhuwC00WqYXEJGeTX4N/TBmNh9YhiW3gXSe98DbVJM:WGBR00nYXWGIXE/u9OXQX50hXDU
Threatray 4'087 similar samples on MalwareBazaar
TLSH 4A758D221305EF5EE23DC738A021985853FAAF01F726DF1BBD8965D25CF9F018667892
Reporter Anonymous
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation_23653735.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-09 01:14:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/191a72c7-1bbc-4142-af43-2ac5e9f411b9

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/123064/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.22906.5431.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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/632171
Signature
C2 URLs / IPs found in malware configuration
Found 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)
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
Sigma detected: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 365054 Sample: Quotation_23653735.pdf.exe Startdate: 09/03/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 10 other signatures 2->44 10 Quotation_23653735.pdf.exe 3 2->10         started        process3 file4 30 C:\Users\...\Quotation_23653735.pdf.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 Quotation_23653735.pdf.exe 10->14         started        17 Quotation_23653735.pdf.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.findmedicalbooks.com 154.215.9.137, 49740, 80 VPSQUANUS Seychelles 19->32 34 www.topicparty.com 166.88.151.124, 49736, 80 EGIHOSTINGUS United States 19->34 36 2 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 mstsc.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 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-03-08 23:49:48 UTC
AV detection:
3 of 47 (6.38%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sb5yjcmowufo7dox34hjpb3vkzo4ddbfnhdmlbzhmouqkrao2wzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
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Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
a3e88ba1ba4bf1a30735faff236af3186b1f3bec9bac6095c0cc579ba3781c76
Formbook
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Formbook
+ 4'077 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/210309-j9ddlnh276/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.possibilitiesacademy.com/obmi/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/d4a00270-0708-43dc-88ce-1d33684cb007/
SH256 hash:
907b84898eb50aef8dd7df0e978775565dc18c2569c6c5872763a905440ed5b3
MD5 hash:
d7082e2e0100ed929bc7e57d9d34557c
SHA1 hash:
cdae6e4db6bedad95f1749c2f7240ab5daba0a0b
Link:
https://www.unpac.me/results/d4a00270-0708-43dc-88ce-1d33684cb007/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/907b84898eb50aef8dd7df0e978775565dc18c2569c6c5872763a905440ed5b3

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

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/123064/

Comments