MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbcdd62f7be0873045435fc301fc15b57b17e2e29801cda1b884d24909f68be2. 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
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SHA256 hash: cbcdd62f7be0873045435fc301fc15b57b17e2e29801cda1b884d24909f68be2
SHA3-384 hash: ac6e962d294e572fa1327dab5ae9ba5bbe76f140ceafa596830173f6f9a4fe8c69f55ef8da625b36c07777d033efcfb0
SHA1 hash: 6ee4d0869ffd18ae0e88838055e45d94fb7aab0a
MD5 hash: 2892d90f2ee7e9a38e5acf42d283e64a
humanhash: stairway-sink-network-delaware
File name:PO#X2021-621.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:928'768 bytes
First seen:2021-06-14 06:54:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:q8CvT2pzknbcq7D5ha4bXdu5L9K2IuUkM9WBH9W6v7I/6skpBEk2RScf:qQq35hPXdg5K2IuUNuWgRskXEJf
TLSH 9A156CF8F1A898B1C54EC732C691DCBEEB211DFD5243092D05B9FA8D6A3378A9F58444
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
74336b753bee56d595e5420bccaa26e0f124200cb5071e853983118f49009654.zip
Verdict:
Malicious activity
Analysis date:
2021-06-04 11:19:25 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1977bc4c-cbff-4497-b960-065e0a81d06d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.803.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d5c68f30-2558-401c-82fe-5c89e96fead5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/801579
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: Suspicious Double Extension
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 433971 Sample: PO#X2021-621.pdf.exe Startdate: 14/06/2021 Architecture: WINDOWS Score: 100 31 www.avaatraelegant.com 2->31 33 avaatraelegant.com 2->33 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 8 other signatures 2->57 9 PO#X2021-621.pdf.exe 4 2->9         started        13 explorer.exe 2->13         started        signatures3 process4 dnsIp5 29 C:\Users\user\...\PO#X2021-621.pdf.exe.log, ASCII 9->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 9->59 61 Injects a PE file into a foreign processes 9->61 16 PO#X2021-621.pdf.exe 9->16         started        19 PO#X2021-621.pdf.exe 9->19         started        21 PO#X2021-621.pdf.exe 9->21         started        35 www.providenceoffices.com 91.195.240.94, 49771, 80 SEDO-ASDE Germany 13->35 37 www.gillet.pro 104.243.45.178, 49774, 80 RELIABLESITEUS United States 13->37 39 10 other IPs or domains 13->39 63 System process connects to network (likely due to code injection or exploit) 13->63 23 msiexec.exe 13->23         started        file6 signatures7 process8 signatures9 41 Modifies the context of a thread in another process (thread injection) 16->41 43 Maps a DLL or memory area into another process 16->43 45 Sample uses process hollowing technique 16->45 47 Queues an APC in another process (thread injection) 16->47 49 Tries to detect virtualization through RDTSC time measurements 23->49 25 cmd.exe 1 23->25         started        process10 process11 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbcdd62f7be0873045435fc301fc15b57b17e2e29801cda1b884d24909f68be2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-03 05:28:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zpg5ml334cdtarkdl7bqd7avwv5rpyxctaa43inyqtjescpwrpra._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210614-s8zqq61als/
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.asconstructionin.com/m3rc/
Unpacked files
SH256 hash:
1e7c66f6da06a0ea81371fb98d0e76424a600518b808140279c7ba8e06541ac5
MD5 hash:
8fe0389e4b903545421e42b628186cd2
SHA1 hash:
f6adc3d1a4ac995fad2a49474243d896b0236c2b
Link:
https://www.unpac.me/results/be5434cb-637c-4fcd-a798-24df2d3d9937/
SH256 hash:
cbcdd62f7be0873045435fc301fc15b57b17e2e29801cda1b884d24909f68be2
MD5 hash:
2892d90f2ee7e9a38e5acf42d283e64a
SHA1 hash:
6ee4d0869ffd18ae0e88838055e45d94fb7aab0a
Link:
https://www.unpac.me/results/be5434cb-637c-4fcd-a798-24df2d3d9937/
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/cbcdd62f7be0873045435fc301fc15b57b17e2e29801cda1b884d24909f68be2

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 cbcdd62f7be0873045435fc301fc15b57b17e2e29801cda1b884d24909f68be2

(this sample)

  
Delivery method
Distributed via e-mail attachment

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