MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a07b9b54dc56712a664f80bc5626e5ad3157945601b8a5f6df7068230e22a1f7. 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: a07b9b54dc56712a664f80bc5626e5ad3157945601b8a5f6df7068230e22a1f7
SHA3-384 hash: 51eeda0942d318e5dce7cc1c76251df8f7ba97607e387ed227b666f993a5890a7b7883fd4afc2cd07934af5b6ac5b337
SHA1 hash: 28706e6d414003f32b1dd9478f498ccf5ecdef63
MD5 hash: cc65708a2561327d9f2d41968567bf71
humanhash: sierra-crazy-foxtrot-north
File name:Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:949'760 bytes
First seen:2021-06-03 06:05:59 UTC
Last seen:2021-06-03 06:54:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:IQVvTxH9KUYnwBy7jt1tnxUfTa/IfrZ9Ukxx5xGRGeojx3bmz9IaI:6AMBGbrskxx5x3VjgCa
Threatray 5'595 similar samples on MalwareBazaar
TLSH C4156BF4F59898B1C54DC732C791DDBEEB211EFE5243092D06A8FA8D2A3378A9F58444
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-06-03 06:09:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e99650d0-021e-4a44-82db-268d5d62a184

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/164273/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/796443
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 428839 Sample: Invoice.exe Startdate: 03/06/2021 Architecture: WINDOWS Score: 100 31 www.generationathletic.fitness 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 9 other signatures 2->45 11 Invoice.exe 4 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 Invoice.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 generalplex.com 108.167.183.94, 49751, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 candiceswanepoelbrasil.com 188.68.240.221, 49746, 80 SPRINT-SDCPL Poland 18->35 37 12 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a07b9b54dc56712a664f80bc5626e5ad3157945601b8a5f6df7068230e22a1f7/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-06-03 05:50:31 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ub5zwvg4kzysuzspqc6fmjxfvuyvpfcwag4kl5w7obucgdrcuh3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
006dcd5baa67723c1d34336ca9d3eb55eb53cdb58999a8c6a3a64b28c2848220
Formbook
03735650255866b1c2592bcb4567cbcb2b9d23eea5430d2e7d7c6315abadb5ad
Formbook
3c8992a1fa966b9838653d1276934114b1e3536d2d0d47172ef4c67af1ef3b2c
Formbook
3cec9bd714745b020366af9537184c619794ef4dee36c99093f53b243c97dcc1
Formbook
5bcba2a09d8758ca07490dfcd3859a64b3a0092ed7873a707e73346eefd4235e
Formbook
6733d0ce3ad0c63755f82e7c05a815f2420cccd7f7775dd9227732f59e7fafff
Formbook
91fa1797421a3393289ae3892d128158ca3a16efd453be49e0c38d5891deefba
Formbook
b9ecf814b7f31a8ee1445d0256ba7a74f46d3e8f0bb588d10c54cd7f7f0fc202
Formbook
ed6b9ae0e3a62d8c24788b8d5b9ffcb9317861746bfc7864777db86369a3def4
Formbook
fd78033c874c07359410cc93551f0303f0e48568cc3ff0931a37301a96675fe1
Formbook
+ 5'585 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210603-vft1ajmse2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.generalplex.com/pz9b/
Unpacked files
SH256 hash:
1e7c66f6da06a0ea81371fb98d0e76424a600518b808140279c7ba8e06541ac5
MD5 hash:
8fe0389e4b903545421e42b628186cd2
SHA1 hash:
f6adc3d1a4ac995fad2a49474243d896b0236c2b
Link:
https://www.unpac.me/results/429954df-d023-4cc3-84a5-76a242e8e694/
SH256 hash:
a07b9b54dc56712a664f80bc5626e5ad3157945601b8a5f6df7068230e22a1f7
MD5 hash:
cc65708a2561327d9f2d41968567bf71
SHA1 hash:
28706e6d414003f32b1dd9478f498ccf5ecdef63
Link:
https://www.unpac.me/results/429954df-d023-4cc3-84a5-76a242e8e694/
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/a07b9b54dc56712a664f80bc5626e5ad3157945601b8a5f6df7068230e22a1f7

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 a07b9b54dc56712a664f80bc5626e5ad3157945601b8a5f6df7068230e22a1f7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/164273/

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