MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc. 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: 16


Intelligence 16 IOCs YARA File information Comments 1
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SHA256 hash: 51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc
SHA3-384 hash: bf3f377d6e4283bcdd766ee4739658b8905073bdea17a334687960372034d1f027b8c8cece299fafc236edeb2da797e6
SHA1 hash: 659757495126fd94a0d4088a8c0fccebc0963511
MD5 hash: 943cae40ccc382396e53d1a5463fe64e
humanhash: grey-tango-lemon-red
File name:943cae40ccc382396e53d1a5463fe64e
Download: download sample
Signature Formbook
Create hunting rule
File size:256'550 bytes
First seen:2022-03-29 09:27:00 UTC
Last seen:2022-03-29 13:15:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:mbE/HUbPPiXLygcd4wULhFuKdAOWP9rqz42cZYiqiUb:mb/SXLygcd3ADvdAOE9rkViqXb
Threatray 14'545 similar samples on MalwareBazaar
TLSH T157441216AA90F567C8F20B76583436BB8FFFAD3962B5290343502F5D6D336C29A3C650
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/259099/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.13941.582.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11978/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6242d0e89253b276b79a140a/reports/d6a9f315-3913-4071-a373-d84c9e8bfb30/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/f5aa6261-a4d0-453b-9122-b86070d056ca
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966580
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 599068 Sample: AqO3Q6E9Z3 Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 34 www.raptorwin.com 2->34 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 7 other signatures 2->52 12 AqO3Q6E9Z3.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\mkrbmfhkv.exe, PE32 12->32 dropped 15 mkrbmfhkv.exe 12->15         started        process6 signatures7 62 Multi AV Scanner detection for dropped file 15->62 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->64 66 Tries to detect virtualization through RDTSC time measurements 15->66 68 Injects a PE file into a foreign processes 15->68 18 mkrbmfhkv.exe 15->18         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 18->38 40 Maps a DLL or memory area into another process 18->40 42 Sample uses process hollowing technique 18->42 44 Queues an APC in another process (thread injection) 18->44 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.financialadvisornearby.com 21->36 54 System process connects to network (likely due to code injection or exploit) 21->54 25 svchost.exe 21->25         started        signatures12 process13 signatures14 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc/
Threat name:
Win32.Trojan.SpyNoon
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Status:
Malicious
First seen:
2022-03-29 08:11:58 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=khfjvbxmwy4lfac42j5hkikzubouumyxyepkip5q6dgkpbqbzdoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a4c2314615f2ebf7a71d3da4a70f421c604daa81c51abd4c7f3625ebdace7a5
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
5b91196649a276f967087fca9bbf4898b38afd3da43294f68b0f934464edfaf1
Formbook
84bf3eb0436e9203d62a0e5970410f73299731e4d711c3a88f52cef601246302
Formbook
bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
d8b05baee601302f22a561d0686689994296a4fa6ce256bcedb9bfa899553c07
Formbook
db1a111df60b02e8045e9ddd1a0134346f59c66148e2e00ed93ae8033eac5a9a
Formbook
df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
+ 14'535 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sh30 rat spyware stealer trojan
Link:
https://tria.ge/reports/220329-leqzdadaa7/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
77ee837f5227bd915e6ac3cc53a2fa9441991863974309a4c17f80cde78a9935
MD5 hash:
7b5b143439459924d36392f50ba8b9f2
SHA1 hash:
dbbff95a16f72f9bb9d4c117d36f1f85ede0366a
Link:
https://www.unpac.me/results/04546abb-8948-454c-ac43-609f8d97c286/
SH256 hash:
a9dca9751247568fe5052da69c07b4fd3f29cd00dd7bc5f586bdf012bcb2a38c
MD5 hash:
29faa95144d2be61a86c36da75a4ea42
SHA1 hash:
5b32a30eb1e76a1a10895e509cdf70dfb6ac9a53
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/04546abb-8948-454c-ac43-609f8d97c286/
Parent samples :
df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623
db1a111df60b02e8045e9ddd1a0134346f59c66148e2e00ed93ae8033eac5a9a
51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc
8af7a60d92677f5acf259ab5b9f14b55c51c21248338bbdc9617c38fc4909631
7d5ffe72101db06ec8ef98e2a4d698cb4a7a2c430210bef73b837fe856a5cc34
1c2f6b38af555e63c11d8dd6bebf23031802d079556720108ba51d5d87418fdc
SH256 hash:
51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc
MD5 hash:
943cae40ccc382396e53d1a5463fe64e
SHA1 hash:
659757495126fd94a0d4088a8c0fccebc0963511
Link:
https://www.unpac.me/results/04546abb-8948-454c-ac43-609f8d97c286/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/51ca9a86ecb6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc

File information

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

Web download

Formbook

Executable exe 51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2118660/
Cape
Cape
https://www.capesandbox.com/analysis/259099/

Comments


Avatar
zbet commented on 2022-03-29 09:27:02 UTC

url : hxxp://103.94.127.58/dhmax.exe