MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b13782a081582cd40a427da82c93035d3a59cd7dffea1e9b3f3821c55fde233c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b13782a081582cd40a427da82c93035d3a59cd7dffea1e9b3f3821c55fde233c
SHA3-384 hash: 0c1cb719cc04ec032c6fa9ef2066cb57e928f149c8634600c76c1707f76348a53f2058be716bc207933de7901453ca72
SHA1 hash: d9d70c204806b74acf34e95e44f5528031e777a6
MD5 hash: 0b50a75467d375b948edc7bcb6f01b60
humanhash: maryland-london-fifteen-louisiana
File name:0b50a75467d375b948edc7bcb6f01b60.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:280'236 bytes
First seen:2021-12-10 13:38:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGieWZfaQ1pqOM/62zIalek+sK2yuaFy4iK2eO0dnzc:6I+OakkhMuua0O0dnw
TLSH T16954124BB6C0684BC2CE9E3362F2BB7EE7BE860E110105778F955F6338057A64D5A097
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 :
1
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 212RC048.doc
Verdict:
Malicious activity
Analysis date:
2021-12-10 10:32:17 UTC
Tags:
trojan exploit CVE-2017-11882 formbook stealer
Link:
https://app.any.run/tasks/ad18318d-5cfa-4f85-bf2a-c7983efc0f29

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/213211/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1579/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61b358784d8e6f3a5e1f86c9/reports/ef36fd6c-deb3-438f-8184-482ce58c769c/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/355e38a3-be1e-4fb9-bd9c-4ed5603b0e1d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905370
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 dnsIp2 2 Behavior Graph ID: 537848 Sample: 681YGHm4x9.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 32 www.alibabasdeli.com 2->32 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 4 other signatures 2->56 10 681YGHm4x9.exe 17 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\hnaix.dll, PE32 10->30 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 62 Injects a PE file into a foreign processes 10->62 14 681YGHm4x9.exe 10->14         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 17 rundll32.exe 14->17         started        20 explorer.exe 14->20 injected process9 signatures10 40 Self deletion via cmd delete 17->40 42 Modifies the context of a thread in another process (thread injection) 17->42 44 Maps a DLL or memory area into another process 17->44 46 Tries to detect virtualization through RDTSC time measurements 17->46 22 explorer.exe 4 155 17->22         started        26 cmd.exe 1 17->26         started        48 System process connects to network (likely due to code injection or exploit) 20->48 process11 dnsIp12 34 thursdaynightthriller.com 15.197.142.173, 49878, 80 TANDEMUS United States 22->34 36 www.ferbsqlv28.club 107.150.164.62, 49885, 80 SAYFANETTR Turkey 22->36 38 5 other IPs or domains 22->38 58 System process connects to network (likely due to code injection or exploit) 22->58 28 conhost.exe 26->28         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b13782a081582cd40a427da82c93035d3a59cd7dffea1e9b3f3821c55fde233c/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-12-10 11:14:23 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=we3yfieblawnicscpwuczeydlu5fttl577vb5gz7haq4kx66em6a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nk6l rat spyware stealer trojan
Link:
https://tria.ge/reports/211210-qxyt6ahhhm/
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.rthearts.com/nk6l/
Unpacked files
SH256 hash:
b13782a081582cd40a427da82c93035d3a59cd7dffea1e9b3f3821c55fde233c
MD5 hash:
0b50a75467d375b948edc7bcb6f01b60
SHA1 hash:
d9d70c204806b74acf34e95e44f5528031e777a6
Link:
https://www.unpac.me/results/dccfcf5d-c8e4-48bf-90e8-28686376cf16/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/b13782a081582cd40a427da82c93035d3a59cd7dffea1e9b3f3821c55fde233c

File information

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

Web download

Formbook

Executable exe b13782a081582cd40a427da82c93035d3a59cd7dffea1e9b3f3821c55fde233c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1872246/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/213211/

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