MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 836996208f9878b763f9c79ef559337c0fd394f034db50eec02b9ba1f281b72d. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 836996208f9878b763f9c79ef559337c0fd394f034db50eec02b9ba1f281b72d
SHA3-384 hash: 2683fdf9da9ee732c6fe986a95b740e2aa004045a4f1cabc6f5b45c4bad29aae531c8f48ba978c567697aeb6040f55a3
SHA1 hash: 1cf690648b1567ee5f6172b303bab790a7045918
MD5 hash: c52b83f2b6d010204478addbafa594ed
humanhash: mars-cardinal-utah-east
File name:c52b83f2b6d010204478addbafa594ed.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:929'280 bytes
First seen:2021-04-22 10:23:27 UTC
Last seen:2021-04-22 11:15:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'740 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 12288:SMIY8NZo6MZCZiZozRRRRRYOLcV2zb7LJ1vZp7Q6jxmFIRXmcjlUCSDmhsqWKD:S/NZo6vRRRRRtAGJ1vc6jx6IoDmhsqp
TLSH 42159E41B299C8BAE41722F0D896F5F422A17D45EA22912F359FBD1F75F335210A3E0B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c52b83f2b6d010204478addbafa594ed.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-22 10:26:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fa100c9c-1651-4ee2-8361-2dad55273b68

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/143679/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.677.5133.28084.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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/692801
Signature
C2 URLs / IPs found in malware configuration
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 395333 Sample: 2sj75tLtYO.exe Startdate: 22/04/2021 Architecture: WINDOWS Score: 100 33 www.tcs-performance.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 2sj75tLtYO.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\2sj75tLtYO.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 2sj75tLtYO.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 35 www.cristinaandmore.com 154.88.205.42, 49768, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 18->35 37 www.flifejourney.com 74.208.215.173, 49777, 80 ONEANDONE-ASBrauerstrasse48DE United States 18->37 39 21 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 mstsc.exe 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/836996208f9878b763f9c79ef559337c0fd394f034db50eec02b9ba1f281b72d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-22 08:00:28 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qnuzmieptb4loy7zy6ppkwjtpqh5hfhqgtnvb3wafon2d4ubw4wq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210422-z65q2vgsgx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.xiangnanxiang.com/nqs9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/836996208f9878b763f9c79ef559337c0fd394f034db50eec02b9ba1f281b72d

File information

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

Web download

Formbook

Executable exe 836996208f9878b763f9c79ef559337c0fd394f034db50eec02b9ba1f281b72d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1150734/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/143679/

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