MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f8d21fefa10cec4e4cf2f25573caaf203e6dbc001728ea6580821d8f1fbd0f5. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: 8f8d21fefa10cec4e4cf2f25573caaf203e6dbc001728ea6580821d8f1fbd0f5
SHA3-384 hash: 302f6dadd4796274f089a7f7a827a26a617792b0dd393d3644bf65cafa78a24fa72eeac74b4c7cfe2aec53cdb8524c75
SHA1 hash: 0f219875d262c13532a2906a7b1912d364ff6e2c
MD5 hash: 18dc907c51c81bc9cd15f812645bf91b
humanhash: eleven-batman-orange-massachusetts
File name:repeat order-pdf-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:644'096 bytes
First seen:2022-06-03 10:04:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:NkAanFNhDR9G4k3IzisJ4cFDTd/g3Sglh8CqEwseVxXuv1AdGlvSgZ:NPKFN3tPiJqGrVqfrutHp
TLSH T1EFD4F0D0D32BED75F4283173B614D45C3770061E85E4C63E9AACB98E34A674B18FAE4A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
324
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
repeat order-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-06-03 10:05:22 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/2b6fba0c-be53-4ebc-b230-4a980cbb24bd

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/276482/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1364.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6299dcc0961acffe54449ed4/reports/e52c3aaf-4fcd-45eb-8de5-dbde6a13fbf0/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e459a3b-42ff-4d48-8327-fc593ada274e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006216
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd or bat file
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638710 Sample: repeat order-pdf-.exe Startdate: 03/06/2022 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 10 other signatures 2->67 10 repeat order-pdf-.exe 7 2->10         started        process3 file4 39 C:\Users\user\AppData\Roaming\ZPiTEe.exe, PE32 10->39 dropped 41 C:\Users\user\AppData\Local\...\tmp7C8F.tmp, XML 10->41 dropped 43 C:\Users\user\...\repeat order-pdf-.exe.log, ASCII 10->43 dropped 71 Adds a directory exclusion to Windows Defender 10->71 14 repeat order-pdf-.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        21 repeat order-pdf-.exe 10->21         started        signatures5 process6 signatures7 73 Modifies the context of a thread in another process (thread injection) 14->73 75 Maps a DLL or memory area into another process 14->75 77 Sample uses process hollowing technique 14->77 79 Queues an APC in another process (thread injection) 14->79 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process8 dnsIp9 45 nichesforyou.com 162.0.235.25, 49846, 80 NAMECHEAP-NETUS Canada 23->45 47 www.vrwaega.com 107.148.139.106, 49847, 80 ASLINE-AS-APASLINELIMITEDHK United States 23->47 49 6 other IPs or domains 23->49 69 System process connects to network (likely due to code injection or exploit) 23->69 31 rundll32.exe 12 23->31         started        signatures10 process11 dnsIp12 51 www.pornolsba.mobi 31->51 53 System process connects to network (likely due to code injection or exploit) 31->53 55 Self deletion via cmd or bat file 31->55 57 Modifies the context of a thread in another process (thread injection) 31->57 59 2 other signatures 31->59 35 cmd.exe 1 31->35         started        signatures13 process14 process15 37 conhost.exe 35->37         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f8d21fefa10cec4e4cf2f25573caaf203e6dbc001728ea6580821d8f1fbd0f5/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-02 08:28:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r6gsd7x2cdhmjzgpf4svopfk6ib6nw6aafzi5jsybaq5r4p32d2q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220603-l4b7hsebb2/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
930ad9d2cb793005580bfce82af3f49650d738e691a6a9aef537d8d3d47516a1
MD5 hash:
d1c4c7f310fb64891a1cdfedd62eeed1
SHA1 hash:
9b89d545bb9b25dd43fba3eb0b695ce186c29271
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dbca0819-5428-4d76-b6be-b5181398735c/
Parent samples :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 hash:
82695669a819d8d6dc7d4c0252ae7b314cb4a7afb09c507ea446c1a854f044f4
MD5 hash:
3548e8af1c449ce6a9a663282ce51aad
SHA1 hash:
d1df6fc078155fb582964015c900761e07cb2bab
Link:
https://www.unpac.me/results/dbca0819-5428-4d76-b6be-b5181398735c/
SH256 hash:
f59f84f2a9fce4e6417aad8107685897e650f543959d7e1639ba5be77666c0a9
MD5 hash:
5acc7611adf5601e838313debd09fa64
SHA1 hash:
80937609df3960cc9a695e9abd8a2ec67042ce8c
Link:
https://www.unpac.me/results/dbca0819-5428-4d76-b6be-b5181398735c/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/dbca0819-5428-4d76-b6be-b5181398735c/
SH256 hash:
1f5bc7997fbefad47ba836e74a08cface659d9650e9ff5a73a444078014ea382
MD5 hash:
d3215440d6825dd71ef78151c6274581
SHA1 hash:
12894dbfc3005d307ae01669f56829f1ba3cb2a7
Link:
https://www.unpac.me/results/dbca0819-5428-4d76-b6be-b5181398735c/
SH256 hash:
8f8d21fefa10cec4e4cf2f25573caaf203e6dbc001728ea6580821d8f1fbd0f5
MD5 hash:
18dc907c51c81bc9cd15f812645bf91b
SHA1 hash:
0f219875d262c13532a2906a7b1912d364ff6e2c
Link:
https://www.unpac.me/results/dbca0819-5428-4d76-b6be-b5181398735c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f8d21fefa10/report/overview.html
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/8f8d21fefa10cec4e4cf2f25573caaf203e6dbc001728ea6580821d8f1fbd0f5

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
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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 8f8d21fefa10cec4e4cf2f25573caaf203e6dbc001728ea6580821d8f1fbd0f5

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276482/

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