MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a. 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: 9


Intelligence 9 IOCs YARA File information Comments
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SHA256 hash: 6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a
SHA3-384 hash: db855385c87ae54e85d193656443255fdb52bfba2f5de79b1a2cd0a5dea3fd8db02feb56bab878b44aa8817ca34a2dea
SHA1 hash: e3f4c3ec654a2c1696fbb89cfe54c2ffb8757d0e
MD5 hash: 69a2e465c55ceaacffd2e130b87ce9ef
humanhash: jupiter-july-tennessee-red
File name:winlog.bin
Download: download sample
Signature Formbook
Create hunting rule
File size:215'580 bytes
First seen:2021-03-15 11:57:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1a57b635b23ffd553b3fd1e0960b2bd (39 x Formbook, 29 x Loki, 27 x AgentTesla)
ssdeep 6144:qTqjFhubC/QLRB4dViIcvNkZHYwZlQyUfnGZa:GUuuYLRB4riIcvNkpFlQykGQ
Threatray 4'197 similar samples on MalwareBazaar
TLSH 3F241296A6C3ACBBD3F704F61AB22765F733A2045151B34347945EB97CF22456F0A382
Reporter JAMESWT_WT
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
winlog.exe
Verdict:
Malicious activity
Analysis date:
2021-03-15 10:18:14 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c6ada11e-4a3e-4dba-a34e-eba65d7da30c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.16422.1709.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/639381
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 368667 Sample: winlog.bin Startdate: 15/03/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 winlog.exe 12 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\sb9g8ai4h.dll, PE32 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Maps a DLL or memory area into another process 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 winlog.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.tabby.info 192.64.147.249, 49764, 80 VOODOO1US United States 17->30 32 unisonptnrs.com 192.185.17.57, 49773, 80 UNIFIEDLAYER-AS-1US United States 17->32 34 15 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.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       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-03-15 10:15:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
+ 4'187 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210315-25vmc29ybj/
Behaviour
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.layoutsbox.com/g832/
Unpacked files
SH256 hash:
d743a13d931b423d3893633c13b92f2ed4c021d5fd143c86a1d16b6cff5ce8c7
MD5 hash:
aa546809ad610c9b9f1cb19347e78d04
SHA1 hash:
535380cc6e189f30c9aff65a2abc55931f2bf584
Link:
https://www.unpac.me/results/7b432e1d-704c-4046-8212-4f094c85093b/
SH256 hash:
6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a
MD5 hash:
69a2e465c55ceaacffd2e130b87ce9ef
SHA1 hash:
e3f4c3ec654a2c1696fbb89cfe54c2ffb8757d0e
Link:
https://www.unpac.me/results/7b432e1d-704c-4046-8212-4f094c85093b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a

File information

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

Web download

Formbook

Executable exe 6da50c6b31b4125631987f40d7bd3dacab22c961ca9ba60dfdfa45120d5ec17a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1068325/
  
Delivery method
Distributed via web download

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