MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167. 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 File information Comments

SHA256 hash: cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167
SHA3-384 hash: 7a983c7479ca366f9f49930116d710fad4b00b4471460eadc45deb76e03b51ca19c76e8b341f80cedb6bb4601be3cb23
SHA1 hash: a04c8cf5f68a0f2e5f40f5632fbbbcdaf6811cb1
MD5 hash: 85c2653a529637c000fa5ac67665dcb3
humanhash: oranges-king-princess-papa
File name:15012021546.exe
Download: download sample
Signature Formbook
File size:914'944 bytes
First seen:2021-01-15 07:13:56 UTC
Last seen:2021-01-15 09:11:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:lnIESAPSIt9Rkwbr32Ms+FyjI15rbsCWhvUIR5:9vBX327+Ffrs
Threatray 3'404 similar samples on MalwareBazaar
TLSH ED158D419B919B11F37C63FE2814009167F6C36AF3E8EB6DFC81A0F6AA52E1445FD186
Reporter abuse_ch
Tags:exe FormBook geo KOR


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail-smail-vm87.hanmail.net
Sending IP: 211.231.106.162
From: 정상훈 <jsh-9400@daum.net>
Subject: 견적 요청 /RFQ-15012021-Order-2021 Quote
Attachment: 15012021546.cab (contains "15012021546.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
15012021546.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-15 07:23:31 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:
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340163 Sample: 15012021546.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 7 other signatures 2->42 10 15012021546.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\15012021546.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 15012021546.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.108-bet.com 108.179.242.211, 49711, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 miacella.com 34.102.136.180, 49710, 80 GOOGLEUS United States 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Infostealer.Azorult
Status:
Malicious
First seen:
2021-01-15 07:14:15 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.southsideflooringcreations.com/dkk/
Unpacked files
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
SH256 hash:
cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167
MD5 hash:
85c2653a529637c000fa5ac67665dcb3
SHA1 hash:
a04c8cf5f68a0f2e5f40f5632fbbbcdaf6811cb1
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments