MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f458d13d054cb8e9cb734d6929fe65b59b2a25e2c460af1fc788ca490118a85. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 4f458d13d054cb8e9cb734d6929fe65b59b2a25e2c460af1fc788ca490118a85
SHA3-384 hash: 9f46c384228d80a6c00d5ce218419fee7b412c8a5bb8afd59ab5caf689412c278bdaa549b2bec9a851ffaa96e8c655c8
SHA1 hash: 9423923825b75b210441777977e0c0acaac73d0c
MD5 hash: f502c1a5b642c38455fe94ca3ce2eed8
humanhash: golf-lima-massachusetts-carpet
File name:f502c1a5b642c38455fe94ca3ce2eed8.exe
Download: download sample
Signature Formbook
File size:329'216 bytes
First seen:2021-02-10 13:01:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 33e37051b60b56914561f785bd2e002a (2 x Formbook)
ssdeep 6144:zLvWHK8wYjlFSqgfdnatyFLnWJM5nuBxZQ1aU3avEMieafbMrE9p6:zCHpdjlFifdnaQWJ+nu7KaU8EMpafQGp
Threatray 3'827 similar samples on MalwareBazaar
TLSH 79649E10FB90C035F5B712F446AA87BC953879A19B34A1CBA7E11AEE16347E0EC3175B
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2dac76c2315c49868fc1c115f9cc4f7f.rtf
Verdict:
Malicious activity
Analysis date:
2021-02-10 08:16:54 UTC
Tags:
exploit CVE-2017-11882 trojan formbook stealer

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
Unauthorized injection to a recently created process
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
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 351279 Sample: Q6h03zxheA.exe Startdate: 10/02/2021 Architecture: WINDOWS Score: 100 35 www.tequilau.com 2->35 37 www.guojiggd.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 4 other signatures 2->51 11 Q6h03zxheA.exe 2->11         started        signatures3 process4 signatures5 59 Detected unpacking (changes PE section rights) 11->59 61 Contains functionality to inject code into remote processes 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 14 Q6h03zxheA.exe 11->14         started        process6 signatures7 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 17 explorer.exe 14->17 injected process8 dnsIp9 29 ladolcefesta.com 192.254.225.106, 49749, 49774, 80 UNIFIEDLAYER-AS-1US United States 17->29 31 tempuslawnandsnow.com 208.93.159.61, 80 TECHPRO-01US United States 17->31 33 23 other IPs or domains 17->33 43 System process connects to network (likely due to code injection or exploit) 17->43 21 raserver.exe 12 17->21         started        signatures10 process11 dnsIp12 39 www.tempuslawnandsnow.com 21->39 41 tempuslawnandsnow.com 21->41 53 Modifies the context of a thread in another process (thread injection) 21->53 55 Maps a DLL or memory area into another process 21->55 57 Tries to detect virtualization through RDTSC time measurements 21->57 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Zenpak
Status:
Malicious
First seen:
2021-02-10 09:16:18 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.douzhuan168.com/o8na/
Unpacked files
SH256 hash:
765705665c2b25a4f660c1a3fcb7acbd5b32a8385b05efbe2005979e11d934a3
MD5 hash:
1f2c5fafe1a902c6a225dbd5846f4d23
SHA1 hash:
b7eee626e318ac50652604ee86230fb3dd46c53d
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
4f458d13d054cb8e9cb734d6929fe65b59b2a25e2c460af1fc788ca490118a85
MD5 hash:
f502c1a5b642c38455fe94ca3ce2eed8
SHA1 hash:
9423923825b75b210441777977e0c0acaac73d0c
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.

Web download

Formbook

Executable exe 4f458d13d054cb8e9cb734d6929fe65b59b2a25e2c460af1fc788ca490118a85

(this sample)

  
Delivery method
Distributed via web download

Comments