MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f
SHA3-384 hash: 4238b5873fd429b815337c64f008026f12d95b75b5282031ced22f59093802fb1774c25565908e413001616fc4d20e2a
SHA1 hash: a3170c2471ee49cdaf9fe0c7c30ee3dfe26bd82c
MD5 hash: c08459c6a11efa785b18b05857acc492
humanhash: item-mountain-black-iowa
File name:c08459c6a11efa785b18b05857acc492.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:686'080 bytes
First seen:2020-11-17 07:23:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eTW2q9NK38O+xYucz+zSvqxJ7x7W70NmlQmuk+iU:b2q23Uczrybtqo0l2H
Threatray 2'947 similar samples on MalwareBazaar
TLSH B9E47B2062785FAAF87D477F68105D4263F16D6BD325EE4A3CF6C7DE0042B6047A26A3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.16228.20826.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/539070
Signature
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)
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: Scheduled temp file as task from temp location
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 318630 Sample: CsrhdjmYHc.exe Startdate: 17/11/2020 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 10 other signatures 2->56 10 CsrhdjmYHc.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\ofzcSyVC.exe, PE32 10->36 dropped 38 C:\Users\...\ofzcSyVC.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpAA76.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\CsrhdjmYHc.exe.log, ASCII 10->42 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 14 CsrhdjmYHc.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 CsrhdjmYHc.exe 10->19         started        21 CsrhdjmYHc.exe 10->21         started        signatures5 process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        process8 dnsIp9 44 www.rhusart-shop.com 106.249.25.35, 49731, 80 NHN-AS-KRNHNKR Korea Republic of 23->44 46 enovasea.com 34.102.136.180, 49740, 80 GOOGLEUS United States 23->46 48 3 other IPs or domains 23->48 58 System process connects to network (likely due to code injection or exploit) 23->58 29 netsh.exe 23->29         started        signatures10 process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 29->62 64 Maps a DLL or memory area into another process 29->64 66 Tries to detect virtualization through RDTSC time measurements 29->66 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-11-16 14:46:13 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
13207816457e33a0430e6da6d1ab86d9797f9c2895a7491c142b5b8bfee3bb0d
Formbook
1a9a0333c8c544cdf43f51eaa895169513c27bdb818f42bb301d476ac1330672
Formbook
5c262eeac56f9ceeb0b44f0b0c46535aa23c3f1317d2c03148648342854fb98c
Formbook
68357db2a89dda1c9dc7b89d5f937e615e26c885dac2109d7c6c7e303c93c4ec
Formbook
a39d375b4498174ca49f07d6bc5a152d34bbb3b7681b209125f2a1c7a8b01185
Formbook
ac401ecae8d098f5c8e562212111aada6e40318d92ae74a21d426f4b43526c7f
Formbook
ba35ef227636d6968eeada03534fc58057ffc2514eb120dd4e3326c0a84dafd1
Formbook
bcaf7b4adc919fd5aaae24902b8135e2ad6d13249e9cb784b1532b52e40449b5
Formbook
c2c8dd06ab505a3989373e72a3f565054a63716424f559592859024d2bade1d7
Formbook
de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c
Formbook
+ 2'937 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201117-1lnheyyrea/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.enovasea.com/mlr/
Unpacked files
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
Link:
https://www.unpac.me/results/fda8e3c3-7842-4c97-ae00-eadf8b93e865/
SH256 hash:
4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f
MD5 hash:
c08459c6a11efa785b18b05857acc492
SHA1 hash:
a3170c2471ee49cdaf9fe0c7c30ee3dfe26bd82c
Link:
https://www.unpac.me/results/fda8e3c3-7842-4c97-ae00-eadf8b93e865/
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
Link:
https://www.unpac.me/results/fda8e3c3-7842-4c97-ae00-eadf8b93e865/
SH256 hash:
b0984bcd21e78337e32b60d538cb45f3a248504bb25334f28ee4f6de8afc98db
MD5 hash:
4b73b2964d59d91657de99471b36462b
SHA1 hash:
84063622c99bbaa15fd858a27cb108edc49bf28f
Link:
https://www.unpac.me/results/fda8e3c3-7842-4c97-ae00-eadf8b93e865/
SH256 hash:
94f22b4142d2965aa90d1b711a2b61a228772f23e0f2f7b1a61aadf2b59a844b
MD5 hash:
8549d5777561f51dffbc92f2bd9004a7
SHA1 hash:
e444053296d82db7fdbbc49e5ef4bb9476e20eef
Link:
https://www.unpac.me/results/fda8e3c3-7842-4c97-ae00-eadf8b93e865/
SH256 hash:
dbe5870d7a3623427e2a3dc75031233878a8ab0cefa8324d423e2ae98b4342ad
MD5 hash:
0abbafee4474faca8c0321fc7a3445a7
SHA1 hash:
8199da6599978f25e97d29b68f7a68a231bed46f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fda8e3c3-7842-4c97-ae00-eadf8b93e865/
Parent samples :
68357db2a89dda1c9dc7b89d5f937e615e26c885dac2109d7c6c7e303c93c4ec
5c262eeac56f9ceeb0b44f0b0c46535aa23c3f1317d2c03148648342854fb98c
caed3382f2c691a1a3b7b424c7f00fd3d1bafb3a34f23ee424bcac165b6edf04
f773778f6eb4e9aa3ab3bd385409acd50081e57aed0e44bbda6308310e8c7316
71fa0160ef98f5ebf3f957f156a5368e2010b831e5f5ee618d2e414c29625987
4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f
dd1b3508cfb8aeb7f9ec8ad9a96bda852f499fb57b8cce55d076e1ce20d89daf
fc616c5cd59810cbfb8418141b2a652b92dd5163a8b9adfa54c79024916f17f2
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 4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/811332/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/810240/

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