MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e079aa4afe26627a784ac447071b5dcd460ba1393851199e21da312a6ff2f18. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e079aa4afe26627a784ac447071b5dcd460ba1393851199e21da312a6ff2f18
SHA3-384 hash: 62ffcd065c05a6a8efa6459ec3741e83e915ec97626652160356100582caaa822aa5f1b3c3d42b55fce696855706eee4
SHA1 hash: 4ba6281310b654241d4fdc22143690e40c7cc4b5
MD5 hash: ddfa2a4865c43ffbea9457831b17a766
humanhash: robin-oklahoma-march-cardinal
File name:SALARY_RECEIPT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:495'602 bytes
First seen:2021-12-02 02:17:03 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 6144:4Gipya/RaL2GjclrzZlhqRdQ9ScTbp+uoVwX0eDXpQ7huphkxFlmAf0:96YOrzZlhY97s0eDXJa8
Threatray 11'962 similar samples on MalwareBazaar
TLSH T1B7B48C12738AB2ADE42B26FFC6EEF704014BBD5A530F811DB3167A5799FFA184861503
File icon (PE):PE icon
dhash icon 5a38f8f0d2fcd090 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SALARY_RECEIPT.exe
Verdict:
Malicious activity
Analysis date:
2021-12-02 02:19:53 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/6f5afae5-ae16-4f3b-9c44-a96e13198c85

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/210533/
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
Searching for synchronization primitives
DNS request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
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/482/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61a82ca5707a51cfe28a8891/reports/c0bf005f-b233-4698-9b41-df8ed8a0bd55/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/a1f76ad5-335e-4652-a3d1-23c2ab5acf6a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/899865
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
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 signatures2 2 Behavior Graph ID: 532343 Sample: SALARY_RECEIPT.exe Startdate: 02/12/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 10 SALARY_RECEIPT.exe 17 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\eqgiwxhul.dll, PE32 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 SALARY_RECEIPT.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 32 acd-informatique.fr 109.234.161.241, 49786, 80 O2SWITCHFR France 17->32 34 www.teslabotnews.com 52.128.23.153, 49812, 80 DOSARRESTUS United States 17->34 36 3 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 cmmon32.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8e079aa4afe26627a784ac447071b5dcd460ba1393851199e21da312a6ff2f18/
Threat name:
Win32.Spyware.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2021-12-02 01:26:56 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
10 of 45 (22.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rydzvjfp4jtcpj4evrcha4nv3tkgboqtsocrdgpcdwrrfjx7f4ma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
Formbook
2f25dc177ece107801390643c83b2cd626653f102df7f6ea5dc767e2b8d48c08
Formbook
3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab
Formbook
425d46c51bf681a37b1f34a602ebf6c7f571060bf698e70f2fd495169f804f92
Formbook
4cc5a0fb10d6235a197da2d08df9af6afae59ceaffb0c7054cfb087eb5c039b6
Formbook
5aad7a3f3d55c4741d8a79b59e0e9f922d375adab9f998ababc03a88a2feb27c
Formbook
5dad6b254fb40bb4c090f5048e07da656821a4b6b163c6548287c3d91dcfda45
Formbook
8ddc14ac94185fbe27b3764fb4e24fd8c25626a465074e8f640955a6f3409c08
Formbook
+ 11'952 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b3n1 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211202-cqq9vaaben/
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.teslabotnews.com/b3n1/
Unpacked files
SH256 hash:
8e079aa4afe26627a784ac447071b5dcd460ba1393851199e21da312a6ff2f18
MD5 hash:
ddfa2a4865c43ffbea9457831b17a766
SHA1 hash:
4ba6281310b654241d4fdc22143690e40c7cc4b5
Link:
https://www.unpac.me/results/8cb26500-e83c-4ba3-b276-57ac00503ac8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8e079aa4afe2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8e079aa4afe26627a784ac447071b5dcd460ba1393851199e21da312a6ff2f18

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
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 8e079aa4afe26627a784ac447071b5dcd460ba1393851199e21da312a6ff2f18

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210533/

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