MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 283eb566d90859131bd5e8e70fbd5467d1c40cab3469775c1d9b7c1e399abcc6. 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: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: 283eb566d90859131bd5e8e70fbd5467d1c40cab3469775c1d9b7c1e399abcc6
SHA3-384 hash: 89dfd784e4aaa057db88add72f76528945e6f33d3488e0c64a37ebb1368cb2ad1bfb76c1e8e8bd64484a44ac069b8673
SHA1 hash: 3449b043e9a43d8e6e21d52885cfa96170054d68
MD5 hash: 2797e37c8152da4e257855a3c408885f
humanhash: hot-equal-shade-eleven
File name:2797e37c8152da4e257855a3c408885f.exe
Download: download sample
Signature Formbook
File size:292'098 bytes
First seen:2021-11-23 09:04:19 UTC
Last seen:2021-11-23 11:07:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiNXONub/JUDNr8NlS/NDwKGDIw/di7LsUSAnDeRe:h+NA/JGNoNE/pwPDIgMLRSqDv
Threatray 11'504 similar samples on MalwareBazaar
TLSH T13C54226BA5D04EBBD7471D363B79F720E37AA12887651885CBC42FA12D719034F8E207
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2797e37c8152da4e257855a3c408885f.exe
Verdict:
Malicious activity
Analysis date:
2021-11-23 09:53:26 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay 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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Sigma detected: CMSTP Execution Process Creation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 527016 Sample: SQz1g5rgNd.exe Startdate: 23/11/2021 Architecture: WINDOWS Score: 100 33 www.jobsyork.com 2->33 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 SQz1g5rgNd.exe 17 2->11         started        15 explorer.exe 10 2->15         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\mkwewwdox.dll, PE32 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 17 SQz1g5rgNd.exe 11->17         started        signatures6 process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 20 explorer.exe 17->20 injected process9 process10 22 cmstp.exe 20->22         started        signatures11 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        27 explorer.exe 1 148 22->27         started        process12 process13 29 conhost.exe 25->29         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2021-11-23 09:05:16 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 45 (51.11%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:jy0b rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.filecrev.com/jy0b/
Unpacked files
SH256 hash:
283eb566d90859131bd5e8e70fbd5467d1c40cab3469775c1d9b7c1e399abcc6
MD5 hash:
2797e37c8152da4e257855a3c408885f
SHA1 hash:
3449b043e9a43d8e6e21d52885cfa96170054d68
Malware family:
FormBook
Verdict:
Malicious
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 283eb566d90859131bd5e8e70fbd5467d1c40cab3469775c1d9b7c1e399abcc6

(this sample)

  
Delivery method
Distributed via web download

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