MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b67c56bafb316958f7f38463825bbc1daf462fe91a871cd37bdabdfd3c1630b5. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b67c56bafb316958f7f38463825bbc1daf462fe91a871cd37bdabdfd3c1630b5
SHA3-384 hash: 16c0009062127c2a95ae53e6c367ecb3fc1b0b77616fa1ce2bd5171529753bc30c1fd5732a029588b4518ad180ab7fff
SHA1 hash: 234ac5d2541757a5f57674d9312a03bc21afa821
MD5 hash: a7f2993548d91d5622b39c85f7e170b6
humanhash: texas-nine-louisiana-foxtrot
File name:SecuriteInfo.com.Trojan.Siggen17.52213.5577.9168
Download: download sample
Signature Formbook
Create hunting rule
File size:485'888 bytes
First seen:2022-05-17 08:53:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:7V0HY4yG/wpBM99HCZFM6CZc/ZYJLtNU9xiNPhba60riSz/2J93Bj:h09IpurWklzNF0r/z
Threatray 15'658 similar samples on MalwareBazaar
TLSH T1D0A46E9C7B451EB2FF1F997846020B24BBA6FF43324099D7939F25CA876E1672D05C88
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 83a9ac8e96e381a5 (6 x Formbook, 4 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen17.52213.5577.9168
Verdict:
Malicious activity
Analysis date:
2022-05-18 05:47:06 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/b8c4c1bf-9bbb-497a-8547-fb571dd3ba0b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/271422/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe obfuscated packed
Link:
https://www.filescan.io/uploads/628362b3fd71ca8b2eea4b38/reports/e44a3cff-0bbc-454d-9705-bb669d046cf5/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f37fa650-08bd-46d0-aaa4-95a7bbafb5a0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/995708
Signature
Binary or sample is protected by dotNetProtector
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 628203 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 17/05/2022 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected FormBook 2->57 59 2 other signatures 2->59 7 SecuriteInfo.com.Trojan.Siggen17.52213.5577.exe 2 2->7         started        11 good.exe 1 2->11         started        process3 file4 41 SecuriteInfo.com.T....52213.5577.exe.log, ASCII 7->41 dropped 61 Tries to detect virtualization through RDTSC time measurements 7->61 63 Injects a PE file into a foreign processes 7->63 65 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->65 13 cmd.exe 3 7->13         started        16 cmd.exe 1 7->16         started        19 SecuriteInfo.com.Trojan.Siggen17.52213.5577.exe 7->19         started        43 C:\Users\user\AppData\Local\...\good.exe.log, ASCII 11->43 dropped 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 21 good.exe 11->21         started        23 cmd.exe 1 11->23         started        25 cmd.exe 1 11->25         started        signatures5 process6 file7 45 C:\Users\user\AppData\Roaming\good\good.exe, PE32 13->45 dropped 47 C:\Users\user\...\good.exe:Zone.Identifier, ASCII 13->47 dropped 27 conhost.exe 13->27         started        49 Uses schtasks.exe or at.exe to add and modify task schedules 16->49 29 conhost.exe 16->29         started        31 schtasks.exe 1 16->31         started        51 Maps a DLL or memory area into another process 21->51 33 explorer.exe 21->33 injected 35 conhost.exe 23->35         started        37 schtasks.exe 1 23->37         started        39 conhost.exe 25->39         started        signatures8 process9
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b67c56bafb316958f7f38463825bbc1daf462fe91a871cd37bdabdfd3c1630b5/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 17:45:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
55
AV detection:
21 of 41 (51.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wz6fnox3gfuvr57tqrryew54dwxuml7jdkdrzu333k672pawgc2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
181b33c4cba7fc9aad25283ed5fce1f171f8fb64af1591bfe5c38285a7091956
Formbook
37708373f6b4deb76e61c7a9c65200bba9f9d7ca7ebcd82d09242dd9231fa072
Formbook
44efc16357b00b2bd0300a07290a4000bbbce558771f5efbaa74909dcf8eb34f
Formbook
5a6ac40a3c393c4a3feff2030b34b6493215f0e855588f585fdb768529a3deae
Formbook
6a3848cae066ae561f1d72908524838d32ad7c95bc18eb155d44211b2fac44fd
Formbook
868924cd1783e9e04d9a137dc3a150d332ffb85315bf29c0fcc9761d635bb432
Formbook
bc3eeeaf4c3525845941625539abfe8a1f44190a739552b7f24a6bbf1b56f2a7
Formbook
bef0d9edea1dd55695f0490efa9a9dfaefeff5154dc56f407391781dc7e0ed4c
Formbook
c16dcddd7b9501bce324b49c9906488bb7a5467789381766801dfd7ce2d13a1a
Formbook
e932695b2e7c04d9e57d7e5e0f3e928898621bcc8657c9d3203b9383c640a325
Formbook
+ 15'648 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:c0my loader persistence rat suricata
Link:
https://tria.ge/reports/220517-ktvqfahfd8/
Behaviour
Creates scheduled task(s)
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
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4c18cf4c183cbdf3e56a6ff066006412afa4e3af052bda02f025e1c8437dc616
MD5 hash:
d7c3ab07a464bc75337aae824f5292f0
SHA1 hash:
4c8f3737b109f8cfda501afcfa61492d4e58f639
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/18f0ee6b-a0c0-4c4f-b853-fcec8930fbce/
Parent samples :
181b33c4cba7fc9aad25283ed5fce1f171f8fb64af1591bfe5c38285a7091956
b67c56bafb316958f7f38463825bbc1daf462fe91a871cd37bdabdfd3c1630b5
4ff209aea9caf232f64a0a1670504bc6f37d079fa66dbe303439a93e00c3cdc6
ad958c67c1d8cc2dce3c9b7e3456f48cbff851107be42a7835a05d6e2f99faed
SH256 hash:
b67c56bafb316958f7f38463825bbc1daf462fe91a871cd37bdabdfd3c1630b5
MD5 hash:
a7f2993548d91d5622b39c85f7e170b6
SHA1 hash:
234ac5d2541757a5f57674d9312a03bc21afa821
Link:
https://www.unpac.me/results/18f0ee6b-a0c0-4c4f-b853-fcec8930fbce/
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/b67c56bafb316958f7f38463825bbc1daf462fe91a871cd37bdabdfd3c1630b5

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_EXE_Packed_Babel
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/271422/

Comments