MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09b7bad9927b42997bf13051bf4960e216219067714e1dd41476f19d93f9e339. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 09b7bad9927b42997bf13051bf4960e216219067714e1dd41476f19d93f9e339
SHA3-384 hash: a048e371df010e1f0f4bf655b586fdb0ed975eabd278de7a2d292613f4ff098882af63f640306fe27aed110784ee640c
SHA1 hash: cb67c17bcbd802fbf1545b39de1244fb7b0a7117
MD5 hash: ef238de0cd7352f05a77d57cf5b26684
humanhash: violet-november-early-sad
File name:PO#78765439.ZIP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'147'392 bytes
First seen:2021-06-07 10:03:37 UTC
Last seen:2021-06-07 10:41:33 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 24576:o5zUVYtXiZ9E2z+LdP88ZnuDCFX8xfIDRZ65d8+:0UYtXiZWfpP84nuGFX8uv65K
Threatray 5'634 similar samples on MalwareBazaar
TLSH 9635E1523284DE89E4276BF5445EC01063F5BD4FD220C60E3F97AA6A58E7B4222B375F
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#78765439.ZIP.exe
Verdict:
Malicious activity
Analysis date:
2021-06-07 10:05:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/44b44592-c5e3-439a-a641-650efee07f8a

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/164965/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37052487.16554.25515.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Sending a UDP request
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/798004
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430400 Sample: PO#78765439.ZIP.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 96 46 Uses an obfuscated file name to hide its real file extension (double extension) 2->46 48 Machine Learning detection for sample 2->48 50 Machine Learning detection for dropped file 2->50 52 2 other signatures 2->52 10 PO#78765439.ZIP.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming\KHErCuc.exe, PE32 10->32 dropped 34 C:\Users\user\...\KHErCuc.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp3481.tmp, XML 10->36 dropped 38 C:\Users\user\...\PO#78765439.ZIP.exe.log, ASCII 10->38 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 10->62 64 Tries to detect virtualization through RDTSC time measurements 10->64 66 Injects a PE file into a foreign processes 10->66 14 PO#78765439.ZIP.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 www.superiorvillage.com 19->40 42 www.smallfinancials.com 19->42 44 2 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 chkdsk.exe 19->25         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/09b7bad9927b42997bf13051bf4960e216219067714e1dd41476f19d93f9e339/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bg33vwmspnbjs67rgbi36sla4ilcdedhofhb3vauo3yz3e7z4m4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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2080ae2cfe843c0e1754f994b356086718dd6dceedf974ca37b629fb4da817a6
Formbook
2a2efb99145b090f6ac13a70fbea4a858d53ac3e09a5d9065861bc6e2cc796df
Formbook
33af2b745b27ae79559ac323d88199f92aa9fe8bb4ffec0963d6f622ec17f24a
Formbook
395171260fafe84055b84b5cae4ddd1d48ae4c49088867ed7a4e58de2394ac55
Formbook
5180e6ef19db039d8365f3cb9690424e61504a80ab94a12738a633b6cdc5fccb
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
68fd922afd4b980e00af527f2e2d6bbeed59ec1508c089370d64081a5532f3f2
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
dd3ecf0b5a39b287ba63687fe12ff1f1fcdde34adf0f3e30f7990ebc158347d8
Formbook
f5b24f949895b74aa3b6bbb47e215f55f1846bf82bf462db83eff295e72fb5f7
Formbook
+ 5'624 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-vad7dvwtsn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.jzmbgjj.com/j7e/
Unpacked files
SH256 hash:
34e69e90b7cb6121c3f93911f21dfb00491ea5d5bb79bfce4902d04f72c24184
MD5 hash:
b6b086a0ab13f3feb9ee8c846d230e5d
SHA1 hash:
dd8e1b816f3e7d9dcfa6eddc20a27fe0fbed478a
Link:
https://www.unpac.me/results/da8608fa-d3df-4977-a7d2-d10d6b3bc6be/
SH256 hash:
09b7bad9927b42997bf13051bf4960e216219067714e1dd41476f19d93f9e339
MD5 hash:
ef238de0cd7352f05a77d57cf5b26684
SHA1 hash:
cb67c17bcbd802fbf1545b39de1244fb7b0a7117
Link:
https://www.unpac.me/results/da8608fa-d3df-4977-a7d2-d10d6b3bc6be/
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/09b7bad9927b42997bf13051bf4960e216219067714e1dd41476f19d93f9e339

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
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 09b7bad9927b42997bf13051bf4960e216219067714e1dd41476f19d93f9e339

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/164965/

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