MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632
SHA3-384 hash: 96f8ccedbba8c4f5b98e789d58d3b9ab01f818c18a5036420cf49e9fc601cae2b850f644b1af7b4fa9909ad85f2d58aa
SHA1 hash: 66bca27e3270bb0bdaca1491d38983e6605552ab
MD5 hash: 941aa87cec6a4897a6b2b0b1280874db
humanhash: asparagus-burger-delaware-emma
File name:Scan_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:438'272 bytes
First seen:2021-06-07 18:52:28 UTC
Last seen:2021-06-07 19:49:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:hS6D+x3mD1Xlx+h0Axb22J1XznDamwDkQQVY:EQIHB22/+mwDkL
Threatray 5'764 similar samples on MalwareBazaar
TLSH B79422729F74DBB2D25A4BF37484369023A9E8228446F63F7218F56D44307F1DA85B3A
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan_pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-07 18:54:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f40d24e5-5b43-4109-a6bf-4eb68ff66dab

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/165095/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.17406.14921.15639.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Creating a file
Launching a process
Launching cmd.exe command interpreter
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
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/798322
Signature
Allocates many large memory junks
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430718 Sample: Scan_pdf.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 9 other signatures 2->34 10 Scan_pdf.exe 3 2->10         started        process3 file4 26 C:\Users\user\AppData\...\Scan_pdf.exe.log, ASCII 10->26 dropped 42 Tries to detect virtualization through RDTSC time measurements 10->42 44 Allocates many large memory junks 10->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->46 48 Injects a PE file into a foreign processes 10->48 14 Scan_pdf.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 6 14->17 injected process8 process9 19 rundll32.exe 17->19         started        signatures10 36 Modifies the context of a thread in another process (thread injection) 19->36 38 Maps a DLL or memory area into another process 19->38 40 Tries to detect virtualization through RDTSC time measurements 19->40 22 cmd.exe 1 19->22         started        process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-06-07 18:53:09 UTC
AV detection:
15 of 47 (31.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=s3z2gayo5mdszimhf43ws2ht2bivv4gdvorbugq7o5rf5ynpcyza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3aaa7c7c8d2fd8bba13c2a6a51dc70ec8e95cb1af76d474454b19d45ad414f4d
Formbook
48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943
Formbook
6c2f5bf673b3bbc31cf425259cd5a0262094e85a8bed03714c7b39712efc4beb
Formbook
730b276576659ea2bc17aee5e92f2cc5b9aecf9ade5f03816bde0023a783b545
Formbook
8daa177496784e7684a6379da8117b6f73e641f9b19f605e8650f3f4f9f8e32c
Formbook
9269d3cadb8c6197fa6d8cc93549e8f13db426b0b7d84f45923f24e99c429aee
Formbook
9b9218d3692f38654cde45d5a9b01a6d5cb83aa5442c286fc4e073a6348e08d1
Formbook
9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66
Formbook
a227cf3f5fb90a859db6b3a95e95ead7b01dc01615de5433710205c6cd58ec78
Formbook
c5ad7c8c7e25d194c60bf2c6eb8fa74f7ebe319a5e1727676a2470947dc8f331
Formbook
+ 5'754 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/210607-fyfkygd4ej/
Behaviour
Enumerates system info in registry
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
Program crash
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.celinehair.com/e7hf/
Unpacked files
SH256 hash:
c708a72654e2ffad6cc07b17b604eff2b657f31edb0134af9f613ffdb1c7b3e2
MD5 hash:
fa657047b570bbb286abcd7fadbbca93
SHA1 hash:
74edf7c869a8f717972a406f9b739be5d01dccdb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/16a03019-b92d-4e81-8f29-e39b08dea55b/
Parent samples :
96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632
77debd27c7e821a3a2c480f7b91377dd2706a2a19975132a5141f92d87160363
2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa
84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775
c2874fa8a593d805c31340651b9ebf7308e6db8e2c33baca8a33188d91ef8605
2e6a479b31c154cdeea1f9502d6a9d820369c1b4b6c91d756ec8011054628f10
777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8
c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb
03e5bebad534a6061452af4f7b266bf214e8ad97f6d51d683378360f1351da30
26563dccfc02bb19e03b7c0ed406bf1a8b55dabdd44148fe04e35ea00bd6f138
d835bb8d896d0a858feecf968258bc9d5d53e8013e01463db68ae2b5bae8fedf
SH256 hash:
cc6c752ca3da7160335cf4982b218eb9380e6d36bb63120aca0c2c82fdb806d7
MD5 hash:
4eb02002caf319f0e3bf6cbaae9131b0
SHA1 hash:
4f757f78d043a369b89ee6b27abc654659e04732
Link:
https://www.unpac.me/results/16a03019-b92d-4e81-8f29-e39b08dea55b/
SH256 hash:
96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632
MD5 hash:
941aa87cec6a4897a6b2b0b1280874db
SHA1 hash:
66bca27e3270bb0bdaca1491d38983e6605552ab
Link:
https://www.unpac.me/results/16a03019-b92d-4e81-8f29-e39b08dea55b/
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/96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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
Rule name:pe_imphash
Create hunting rule
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.

Malspam

Formbook

Executable exe 96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/165095/

Comments