MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d23366eb40c060cf56ff358c51fbf2dde54c1c63ddf508185ad59856f817ff8. 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 2 File information Comments
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SHA256 hash: 3d23366eb40c060cf56ff358c51fbf2dde54c1c63ddf508185ad59856f817ff8
SHA3-384 hash: a367e23586a9402c25936ed40d071756603b82dc823c3768d2c6140ad4f9a8aa583a2a820b1645c84f1292802e9c18cb
SHA1 hash: e2566dc506501c53a2dbfc3df109405abd580dee
MD5 hash: de052543f764a5427b3e82a4f5247f34
humanhash: white-lima-sad-nitrogen
File name:Slip_POWR-47QOU60_xlsx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:288'822 bytes
First seen:2022-05-11 04:52:51 UTC
Last seen:2022-05-11 05:37:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:TOtIoF6rwA/TIEm+0bP9ghrBXCyQn4Hq2j3riLzMrTK:TOdFC4Em+0SBCbnAriUrTK
Threatray 15'475 similar samples on MalwareBazaar
TLSH T162541241A72BC977C8A53F7515146A367EB9BC35FCAC2207BB107924263331CE6CE692
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 015c3eae8ede1c21 (15 x Formbook, 1 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/269595/
Detection(s):
SecuriteInfo.com.Variant.Jaik.72878.10726.2596.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/17081/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/627b413d88fc24c43ddccfa9/reports/d0bf0648-9d45-43f4-a034-9dcc2d0f0e34/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/a62585b8-ef4f-424f-afd5-bb231a1f6a56
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/991607
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
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
Snort IDS alert for network traffic
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: 624103 Sample: Slip_POWR-47QOU60_xlsx.exe Startdate: 11/05/2022 Architecture: WINDOWS Score: 100 34 www.todollantasshop.com 2->34 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 6 other signatures 2->56 12 Slip_POWR-47QOU60_xlsx.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\mcbldnmu.exe, PE32 12->32 dropped 15 mcbldnmu.exe 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 72 Injects a PE file into a foreign processes 15->72 18 mcbldnmu.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 ashikahirani.com 67.20.76.181, 49808, 80 UNIFIEDLAYER-AS-1US United States 21->36 38 www.perrlo.biz 21->38 40 www.ashikahirani.com 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 msdt.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3d23366eb40c060cf56ff358c51fbf2dde54c1c63ddf508185ad59856f817ff8/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-11 00:35:42 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hurtm3vubqdaz5lp6nmmkh57fxpfjqoghxpvbamfvvmyk34bp74a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ad50b849eb5bd206e7e09d69796777d16c8081df4edaccc6fdf8b35c9277d27
Formbook
20a3369a59bccfa6229e0ab01250d857a5acc6c471ade47ee558629f8647cc96
Formbook
466c633e1e137b92c883a26a147275a6d90d538e6f87b28c70089d7d30e8ac3a
Formbook
4ad6f22622ee8d0479488a776ff027e1ee66acfead8f6de0a39c6db6abba0ab0
Formbook
84d592767b553d06efe654049e16c7c583c0fa505f05b623dc508902d62b5a7d
Formbook
bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
c6ccab15f09cd96dc361af96d7c1b3469d83aaede794309536131081ea6ab245
Formbook
ca2ff9b2f21e729fedaf39b0ca30205ace55e58b85186494831a3d51b638e17c
Formbook
+ 15'465 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f43e rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220511-fhy69sfge9/
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ffa2024bfdd2f74bc19857746bb24f9e0483c4fbe2c1438133b713d5494e5001
MD5 hash:
f2b20c60b7e4fce1f3428e1b691e81eb
SHA1 hash:
6f49231b1949f9e8d504f04f9e160a5e0dec4e1d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/567cb57c-e452-4c94-bfde-09830c274d18/
Parent samples :
20a3369a59bccfa6229e0ab01250d857a5acc6c471ade47ee558629f8647cc96
4ad6f22622ee8d0479488a776ff027e1ee66acfead8f6de0a39c6db6abba0ab0
0ad50b849eb5bd206e7e09d69796777d16c8081df4edaccc6fdf8b35c9277d27
3d23366eb40c060cf56ff358c51fbf2dde54c1c63ddf508185ad59856f817ff8
df811fba0107ce25f2c1c9d9b1922185f112eb829f9932b9182e6cacad412dc3
53ed293dcc8ad7c5c67e71aa81012909b41e56ea93da27e0d044eabcc192ed2d
SH256 hash:
2e488516b36cbd1ea95b26cc31d4546b11f18c6af4a26808104754e089c1ed9b
MD5 hash:
0888fed02912660ae4b5bf1a04152586
SHA1 hash:
d7bbccc5da41f364c2aff5acbb919f029192fd24
Link:
https://www.unpac.me/results/567cb57c-e452-4c94-bfde-09830c274d18/
SH256 hash:
3d23366eb40c060cf56ff358c51fbf2dde54c1c63ddf508185ad59856f817ff8
MD5 hash:
de052543f764a5427b3e82a4f5247f34
SHA1 hash:
e2566dc506501c53a2dbfc3df109405abd580dee
Link:
https://www.unpac.me/results/567cb57c-e452-4c94-bfde-09830c274d18/
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/3d23366eb40c060cf56ff358c51fbf2dde54c1c63ddf508185ad59856f817ff8

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 3d23366eb40c060cf56ff358c51fbf2dde54c1c63ddf508185ad59856f817ff8

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/269595/

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