MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36f75bca9696563fcf8d51cc8cf33685de3caa6618d2c2e61560349a4179188b. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: 36f75bca9696563fcf8d51cc8cf33685de3caa6618d2c2e61560349a4179188b
SHA3-384 hash: f50b1a300398c2c84e115409189585f827789b5052e8c4e82b6432c407abea430a6c390ce177d0ae51ae5d889badb18c
SHA1 hash: 783d3ece199ee80ad06f90c41de5ab5179e652e4
MD5 hash: eea7354b35c3ca7903144a5f420e0e92
humanhash: echo-beer-saturn-kentucky
File name:DXBR001342103.exe
Download: download sample
Signature Formbook
File size:211'171 bytes
First seen:2021-04-22 06:16:30 UTC
Last seen:2021-04-22 07:19:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 6144:FPXaDuOIwi2MRdkZ77cViji3zeveEnFPW:c3M2gkZ7QwmeZF+
Threatray 4'785 similar samples on MalwareBazaar
TLSH 192412D57570C877FBA202740EB81809DFEAEE35B081618BE7986BAD74612E1921F713
Reporter TeamDreier
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DXBR001342103.exe
Verdict:
Malicious activity
Analysis date:
2021-04-22 06:22:15 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 file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
Found malware configuration
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)
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 virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 395094 Sample: DXBR001342103.exe Startdate: 22/04/2021 Architecture: WINDOWS Score: 100 31 www.utmxpxq.icu 2->31 33 www.check999.com 2->33 35 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 3 other signatures 2->49 11 DXBR001342103.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\vygq8cpwv.dll, PE32 11->29 dropped 61 Detected unpacking (changes PE section rights) 11->61 63 Maps a DLL or memory area into another process 11->63 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Contains functionality to prevent local Windows debugging 11->67 15 DXBR001342103.exe 11->15         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.keeper.network 64.98.145.30, 49739, 80 TUCOWS-3CA Canada 18->37 39 www.tignatine.com 51.91.236.255, 49741, 80 OVHFR France 18->39 41 19 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Uses netstat to query active network connections and open ports 18->53 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-04-22 06:36:59 UTC
AV detection:
20 of 47 (42.55%)
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.citestaccnt1597666144.com/ud9e/
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
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.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-22 07:12:42 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread