MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4037ca0a206260d718a898ef6575600302245932ae2c2c9b6587a58a8ace5c42. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4037ca0a206260d718a898ef6575600302245932ae2c2c9b6587a58a8ace5c42
SHA3-384 hash: 26e0c980883d705d9b72e86446603fafb821fa918bfac7a90886fde4cc8014f4b96e9ed86a8f52392386c953fe306e09
SHA1 hash: d828d9e3be1bbfd321bcb0f8ce1a5f8bc202376a
MD5 hash: fc9a514caf345e12c7371f781818e958
humanhash: fanta-purple-leopard-nebraska
File name:Plans for 5B Myall.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:420'788 bytes
First seen:2021-12-23 09:27:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGi+rfmeiuLmYf/Ow0O5KETueJ3KrEOvM+v+9486Hq7CQ4tTBjfo/uvepdwm4T0u:Y6I/dBNKA6Mr4JsUHw4YwV0tY
Threatray 12'647 similar samples on MalwareBazaar
TLSH T1E59423C622C059B7CCE949B00AB7F83FA3B19A69016E6577B3D02FEE4C969575C0D0B4
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Plans for 5B Myall.exe
Verdict:
Malicious activity
Analysis date:
2021-12-23 09:28:53 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/083cc272-cb11-44e2-8ef6-a8d3ec64722a

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/215934/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
DNS request
Launching cmd.exe command interpreter
Sending an HTTP GET request
Sending a custom TCP request
Searching for synchronization primitives
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3000/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61c44127ec6c6c14a9ec27a1/reports/fac36584-b26d-428f-bc42-e485d6f6f57b/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/65046960-1920-4f44-9c97-0fb20c9efc4c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911942
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 544417 Sample: Plans for 5B Myall.exe Startdate: 23/12/2021 Architecture: WINDOWS Score: 100 31 www.dpcqkw.xyz 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 4 other signatures 2->45 11 Plans for 5B Myall.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\xpjtvmlr.dll, PE32 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 Plans for 5B Myall.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 sophiachrist.com 15.197.142.173, 49794, 80 TANDEMUS United States 18->33 35 www.bjxhyydguahao.com 107.148.120.25, 49807, 80 PEGTECHINCUS United States 18->35 37 11 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wscript.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4037ca0a206260d718a898ef6575600302245932ae2c2c9b6587a58a8ace5c42/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-23 07:41:27 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ia34ucramjqnogfitdxwk5laambciwjsvywczg3fq6syvcwolrba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82
Formbook
1bdc41058e53e885ccf81cf42ddac59733b6608f40719017dde98ac33ed8b8f5
Formbook
1f651f590aaf7682d6b480e690099b4115d91f5a260c961ecc6030b2c280708a
Formbook
5f5195f363ef21135a5b5298c2a3576bd03125eec094d769b25296eb0a2605b9
Formbook
6bd5fda97afe76f3d6cc66ffac1350e77256315e151364355af9ee6d56be8ebf
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
ede0725557e08c21c523681648ace4a5b9d7b3dcfc29f4cda7db92c80b61f038
Formbook
+ 12'637 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ioup loader rat
Link:
https://tria.ge/reports/211223-lfchdahdh7/
Behaviour
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
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Unpacked files
SH256 hash:
23b984023b76ab1e9f6216ddf7e46c603759075bff741b0a695e057f1f0e302f
MD5 hash:
5627dc522a2760f038a5726880797cd9
SHA1 hash:
f376811fd6366e4a3ef0e6287d3a415bdce0e570
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/76797720-d5d8-4d59-8f5e-57d748c38fec/
Parent samples :
6b1eaa84393877f4e3ecf99eed62c76eee694b8c765b074d4f1456b54907fb63
6246f8ebc3d0501edeea55073a793b133c04fb1e8fe8cff68ff6b014b23a7fc9
02849a4363429354f94f2e725e203c59c7db6256a2de6730b7b7bacd3fe56893
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
4037ca0a206260d718a898ef6575600302245932ae2c2c9b6587a58a8ace5c42
204831bda7d04f0905f7bf0c39e45b3772935726d8a436ee9703a19098b37e21
SH256 hash:
6abf03276bc370cdace120ba434c3677360a800b91bfdac58e5b51611fd0a3b7
MD5 hash:
304396e2b562b84904e1d21bedc963da
SHA1 hash:
595733f03d4eb810617241074b178d59e5f605a6
Link:
https://www.unpac.me/results/76797720-d5d8-4d59-8f5e-57d748c38fec/
SH256 hash:
4037ca0a206260d718a898ef6575600302245932ae2c2c9b6587a58a8ace5c42
MD5 hash:
fc9a514caf345e12c7371f781818e958
SHA1 hash:
d828d9e3be1bbfd321bcb0f8ce1a5f8bc202376a
Link:
https://www.unpac.me/results/76797720-d5d8-4d59-8f5e-57d748c38fec/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/4037ca0a206260d718a898ef6575600302245932ae2c2c9b6587a58a8ace5c42

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_InTheFuture
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.

Malspam

Formbook

Executable exe 4037ca0a206260d718a898ef6575600302245932ae2c2c9b6587a58a8ace5c42

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/215934/

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