MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5399fb6324cc620d69fd08e7975f69703e4c754ccb38e19b4e8088d8e9bc2569. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: 5399fb6324cc620d69fd08e7975f69703e4c754ccb38e19b4e8088d8e9bc2569
SHA3-384 hash: e5a71e4cb64e75f785597be473ae2a0c2a332b9f7c42788642129c51b61c3a1bb5e797913982fa6d42a53fb42806b69f
SHA1 hash: ce992889c5276f311f18f64316e0a8f841a00d75
MD5 hash: d10af6a7b02adb0ca99f05ff78defd7d
humanhash: stream-oxygen-seven-may
File name:Revised Signed Proforma Invoice 000856453553.exe
Download: download sample
Signature Formbook
File size:994'816 bytes
First seen:2021-03-25 14:01:12 UTC
Last seen:2021-03-25 15:52:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:0FgEnXqilctJBKa0zBKNI8PmEKaqPJE6bw62zmB8xdt8S/RQ4i2nLPq5Rr6uGOci:AKLtzaYZmX/Z2SKXxzxuGAZ2n
Threatray 4'340 similar samples on MalwareBazaar
TLSH 79258F9120ECCD90D421ADB8CD5BDFF237569DA38780D7E636BCE4762573B9AD00242A
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Revised Signed Proforma Invoice 000856453553.exe
Verdict:
Malicious activity
Analysis date:
2021-03-25 18:02:26 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 375935 Sample: Revised Signed Proforma Inv... Startdate: 25/03/2021 Architecture: WINDOWS Score: 100 36 www.sahinleremlak.net 2->36 38 www.rapidreservation.com 2->38 40 www.oleandrindrugs.com 2->40 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 11 Revised Signed Proforma Invoice 000856453553.exe 3 2->11         started        signatures3 process4 file5 28 Revised Signed Pro...00856453553.exe.log, ASCII 11->28 dropped 14 Revised Signed Proforma Invoice 000856453553.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 30 www.haciendocatarsis.com 108.179.194.9, 49739, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 well2shop.com 162.241.217.132, 49736, 80 UNIFIEDLAYER-AS-1US United States 17->32 34 20 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 explorer.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-25 09:52:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.haciendocatarsis.com/fhg5/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
SH256 hash:
5399fb6324cc620d69fd08e7975f69703e4c754ccb38e19b4e8088d8e9bc2569
MD5 hash:
d10af6a7b02adb0ca99f05ff78defd7d
SHA1 hash:
ce992889c5276f311f18f64316e0a8f841a00d75
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_InTheFu
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.

  
Delivery method
Other

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