MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a498b98c890976c8b3e41264b64571e5c3d70c89633d140a824cab5b29443bb. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 7a498b98c890976c8b3e41264b64571e5c3d70c89633d140a824cab5b29443bb
SHA3-384 hash: 181efb66ff1153aba4b72775a81d624c00675c5ce5c89d8a4fd052ca50d7cfa85ec0472dd2a5c45b7816b55d0acb5da1
SHA1 hash: f32d35058a409471487e143b27bcc17b5f493a1b
MD5 hash: 7906a6dcc1b2231621a9c926db603530
humanhash: march-purple-victor-crazy
File name:Audit Notice.exe
Download: download sample
Signature Formbook
File size:176'410 bytes
First seen:2021-07-19 23:58:11 UTC
Last seen:2021-07-20 00:46:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f45f4bccd20f0a7ca0fccc38d235a8f2 (2 x Formbook, 1 x Loki)
ssdeep 3072:padqQoQDK1YrRHa3w7Q7wEN/K6OKIlgMnpctwdyqO8l4KqmkaWOuDaPtTjbLb+U2:AoQD99Ha3xQIwdfOpoWPDIaV
Threatray 6'695 similar samples on MalwareBazaar
TLSH T161040205632E4A18E15FE139A67AD17E32ACC1F1268F053327A7DF1D3C391D25878B5A
Reporter Jirehlov
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:
Audit Notice.exe
Verdict:
Malicious activity
Analysis date:
2021-07-19 23:59:41 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 451008 Sample: Audit Notice.exe Startdate: 20/07/2021 Architecture: WINDOWS Score: 100 34 www.backstorymagazine.online 2->34 36 www135.wixdns.net 2->36 38 3 other IPs or domains 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 10 other signatures 2->48 11 Audit Notice.exe 2->11         started        signatures3 process4 signatures5 56 Maps a DLL or memory area into another process 11->56 14 Audit Notice.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 cdn-256-cdn-256-a45-ws.fastliii.com 192.142.38.116, 49740, 80 X-DSL-NET1ZA South Africa 17->28 30 tshirtcustomdesign.com 173.254.28.216, 49739, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 19 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 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 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Infostealer.Azorult
Status:
Malicious
First seen:
2021-07-19 23:59:03 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.byfarruco.com/sgs8/
Unpacked files
SH256 hash:
49c15bde0102b40fabfca12c67fb6baa0133a862971e0fdd050c54e8b6e175a0
MD5 hash:
c9473882b75430f0e05362dec6c9ab08
SHA1 hash:
f05020dc6d826a3ae67ac2426f2a43c21e9a7e13
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
7a498b98c890976c8b3e41264b64571e5c3d70c89633d140a824cab5b29443bb
MD5 hash:
7906a6dcc1b2231621a9c926db603530
SHA1 hash:
f32d35058a409471487e143b27bcc17b5f493a1b
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Malspam

Formbook

Executable exe 7a498b98c890976c8b3e41264b64571e5c3d70c89633d140a824cab5b29443bb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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