MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc616c5cd59810cbfb8418141b2a652b92dd5163a8b9adfa54c79024916f17f2. 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: fc616c5cd59810cbfb8418141b2a652b92dd5163a8b9adfa54c79024916f17f2
SHA3-384 hash: 60d388d18dae128d14f3a4285a7cca94321ba8679e61d432e1b890e4e3708e957666dacd83bc7e8685542583c250b97c
SHA1 hash: e79c179b8562758ea987452507835045149b35e4
MD5 hash: 5c953c42f3bed44c9654a39274e1d0d5
humanhash: eight-aspen-eight-eighteen
File name:5c953c42f3bed44c9654a39274e1d0d5.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:666'112 bytes
First seen:2020-11-18 10:41:41 UTC
Last seen:2020-11-18 13:20:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:3jFEjyGcCxBo6mxX0yexZN47GmC1zlWrlQr/a4sNYhcR85ad9A9NK3:zrGcCQPkyW6h6ra5C49A23
Threatray 2'962 similar samples on MalwareBazaar
TLSH 86E401993738B2FEC877C4328A245E38E6A0FE76521BC723681BF158995C547CF214E6
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.5300.20747.12796.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/540828
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has nameless sections
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 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 dnsIp2 2 Behavior Graph ID: 319516 Sample: u82lb18JnW.exe Startdate: 18/11/2020 Architecture: WINDOWS Score: 100 41 www.cafe-conspiracy.com 2->41 43 cafe-conspiracy.com 2->43 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 11 other signatures 2->55 11 u82lb18JnW.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\kENIRHDiJ.exe, PE32 11->33 dropped 35 C:\Users\...\kENIRHDiJ.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp2824.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\u82lb18JnW.exe.log, ASCII 11->39 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 69 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->69 15 u82lb18JnW.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 www.voyageofthesun.club 104.31.92.240, 49726, 80 CLOUDFLARENETUS United States 20->45 47 www.scidiver.com 35.158.6.37, 49734, 80 AMAZON-02US United States 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 26 cmmon32.exe 20->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc616c5cd59810cbfb8418141b2a652b92dd5163a8b9adfa54c79024916f17f2/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-11-17 12:11:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
199da37d02aa71c502adf3a623de188b25f7cb2001b4936a798ea8a6a9c20ad3
Formbook
436c0c803cf1ed56a09ce4ba60472e15082fccc5d84e587aebbbb159d487feb5
Formbook
4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f
Formbook
5248643a130c832416245ea6b33ab3724a81c4e4a36b2ea424dd1a5fc1dd7ac2
Formbook
5abc963a4cbaaee6582d5db264da8b2cb0c5a760115047a8df1e629c48dfc6e9
Formbook
5c262eeac56f9ceeb0b44f0b0c46535aa23c3f1317d2c03148648342854fb98c
Formbook
68357db2a89dda1c9dc7b89d5f937e615e26c885dac2109d7c6c7e303c93c4ec
Formbook
7aca2c9fc681d73f89b0f2127bbdd5001f7675ec9788e3d5fd5ec7a0405dd49b
Formbook
dd1b3508cfb8aeb7f9ec8ad9a96bda852f499fb57b8cce55d076e1ce20d89daf
Formbook
de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c
Formbook
+ 2'952 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/201118-fzxjy91r22/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.enovasea.com/mlr/
Unpacked files
SH256 hash:
fc616c5cd59810cbfb8418141b2a652b92dd5163a8b9adfa54c79024916f17f2
MD5 hash:
5c953c42f3bed44c9654a39274e1d0d5
SHA1 hash:
e79c179b8562758ea987452507835045149b35e4
Link:
https://www.unpac.me/results/b2863378-e5fd-4bb4-b44e-3ccff9547ca0/
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
Link:
https://www.unpac.me/results/b2863378-e5fd-4bb4-b44e-3ccff9547ca0/
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
Link:
https://www.unpac.me/results/b2863378-e5fd-4bb4-b44e-3ccff9547ca0/
SH256 hash:
4283303401b68e9581110c3888631522f6f0bfc6a6266558623c3e21fcd610ce
MD5 hash:
897685433543a48263888c27403237fa
SHA1 hash:
b3d6efce851e30185170e83634b1014e8e53c02f
Link:
https://www.unpac.me/results/b2863378-e5fd-4bb4-b44e-3ccff9547ca0/
SH256 hash:
2242ac8405e75211ca96fb75851808ee81e79d2dfb8e2256fd9fa441357ed648
MD5 hash:
f145875ff1952bfa9086c4427219c698
SHA1 hash:
e5ad4577d0c95c87cb8d1fb8c450322166f173a9
Link:
https://www.unpac.me/results/b2863378-e5fd-4bb4-b44e-3ccff9547ca0/
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/b2863378-e5fd-4bb4-b44e-3ccff9547ca0/
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 fc616c5cd59810cbfb8418141b2a652b92dd5163a8b9adfa54c79024916f17f2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/810597/
  
Delivery method
Distributed via web download

Comments