MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c07430c9d1395b644fd2ee312b6df3d7509a04a29065e31301e722c1ad00178. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 6c07430c9d1395b644fd2ee312b6df3d7509a04a29065e31301e722c1ad00178
SHA3-384 hash: 0c748a69fe88ca209dde7e70cc2fef3b5b290b367ebf966cea0ffc3c6998cfd609d36b830f9495437bbd0d03c944e4dd
SHA1 hash: 2d16321a7039fcc5ea7f1a0219141e001514e3a2
MD5 hash: 7505df070642a1ca6e3f8c11bd060dee
humanhash: michigan-delta-summer-seventeen
File name:8p8k4MhGKl9m3rd.exe
Download: download sample
Signature Formbook
File size:812'544 bytes
First seen:2022-02-17 11:01:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:h0xaV2Gp8Gh994PBqJNatZqCHzz5wZPs6FA+XWjnk4WAITJ8uT7:eGp849iANatZqozz5waqAa+9WAN
Threatray 12'595 similar samples on MalwareBazaar
TLSH T185056C7631FF105687B2EAE30BD8ACFF9A5AF173120E753A31815B868326D419D82375
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
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
.NET source code contains very large strings
Antivirus detection for URL or domain
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
Self deletion via cmd delete
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 signatures2 2 Behavior Graph ID: 574009 Sample: 8p8k4MhGKl9m3rd.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 8 other signatures 2->46 10 8p8k4MhGKl9m3rd.exe 3 2->10         started        14 explorer.exe 1 2->14         started        process3 file4 30 C:\Users\user\...\8p8k4MhGKl9m3rd.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 16 8p8k4MhGKl9m3rd.exe 10->16         started        signatures5 process6 signatures7 32 Modifies the context of a thread in another process (thread injection) 16->32 34 Maps a DLL or memory area into another process 16->34 36 Sample uses process hollowing technique 16->36 38 Queues an APC in another process (thread injection) 16->38 19 explorer.exe 16->19 injected process8 process9 21 chkdsk.exe 19->21         started        signatures10 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        26 explorer.exe 2 154 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-16 15:48:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 42 (54.76%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ufpm loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0cc272835ee6d12502dba4fdc6de0bd36de736e26d87c4666a6b70521fbc3bd6
MD5 hash:
353c0b656ffb7e7405135feffff90bf2
SHA1 hash:
8d0524f36290eb0b2df0b8f9cf287ac27bb8abd4
SH256 hash:
009b33b3203a0810f867d6fdfaf16495bce9504e37947c690a98ce4d9b9639b3
MD5 hash:
740066f5ea5fb9626b8670a5328483fc
SHA1 hash:
8c14298a3291d70fe64b64615a8b1c3a73281945
SH256 hash:
f355248a762145d3bf3e454375d8a20a0bc74ac04a1533710c3390c1cc847e4c
MD5 hash:
9be51b6da2f1443b81faee40870da2be
SHA1 hash:
4ea11219fc50a9f092463032c631ea712ada493c
SH256 hash:
6c07430c9d1395b644fd2ee312b6df3d7509a04a29065e31301e722c1ad00178
MD5 hash:
7505df070642a1ca6e3f8c11bd060dee
SHA1 hash:
2d16321a7039fcc5ea7f1a0219141e001514e3a2
Malware family:
XLoader
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 6c07430c9d1395b644fd2ee312b6df3d7509a04a29065e31301e722c1ad00178

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments