MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0dc57802ed3d6837fabadc852dd1203a593b166ea46e02e16b5e28dd1a2d91c5. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 0dc57802ed3d6837fabadc852dd1203a593b166ea46e02e16b5e28dd1a2d91c5
SHA3-384 hash: c146c4d10723933f968ce88eb2a5f5adc148ac18e62f354b8317e51cf68a1b8e31edf377e59e520726dbdb8f4d3ec08a
SHA1 hash: c2d3e42788dde69dc638793460b0218babd69673
MD5 hash: c4ace241e1406ad0c4950c978c25b349
humanhash: eleven-zulu-diet-oklahoma
File name:DfvcN2CA5PY3hEr.exe
Download: download sample
Signature Formbook
File size:856'064 bytes
First seen:2022-09-19 11:58:39 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 12288:xaZFR45svVl8m4No1v3kexn5HKNEfAxu2ALEZDZTjsaMmQ:/KvVP4IvtxnNKaY82sEVZHsa2
TLSH T13805D0286376C807D969A535C8C3F2701EB85EC5D36FC60B08D83D67FA3A39869D2395
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8a1332e8aacc4db2 (8 x Formbook, 7 x AgentTesla, 6 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DfvcN2CA5PY3hEr.exe
Verdict:
Malicious activity
Analysis date:
2022-09-19 11:59:26 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 705462 Sample: DfvcN2CA5PY3hEr.exe Startdate: 19/09/2022 Architecture: WINDOWS Score: 100 35 www.computercodingclasses.com 2->35 37 www.likesim.com 2->37 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 DfvcN2CA5PY3hEr.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\...\DfvcN2CA5PY3hEr.exe.log, ASCII 11->33 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 DfvcN2CA5PY3hEr.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 39 www.fsentimes.com 154.89.88.145, 49725, 80 COMING-ASABCDEGROUPCOMPANYLIMITEDHK Seychelles 18->39 41 www.erosludi.net 75.2.115.196, 49724, 80 AMAZON-02US United States 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 chkdsk.exe 18->22         started        25 autochk.exe 18->25         started        27 autochk.exe 18->27         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 29 cmd.exe 1 22->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-09-19 09:31:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 40 (45.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:roz2 loader persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Xloader payload
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
be25a3751235c18e6017da868df8291ccb80d1e923c0bea169ed8616881f431e
MD5 hash:
d01691b5e08eedc7926a564491c1e3ce
SHA1 hash:
c112d05718c55c69ba8cc81e2c57f3375319c924
SH256 hash:
683c6efcfa95dce5ac3cd74fa347bca483ab52bdef7bf1396add0fd926d7a18f
MD5 hash:
688fd2659037609070f68dded22adfd0
SHA1 hash:
b291065c769b8a36ee5a49375ca5235246a01016
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
0dc57802ed3d6837fabadc852dd1203a593b166ea46e02e16b5e28dd1a2d91c5
MD5 hash:
c4ace241e1406ad0c4950c978c25b349
SHA1 hash:
c2d3e42788dde69dc638793460b0218babd69673
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 0dc57802ed3d6837fabadc852dd1203a593b166ea46e02e16b5e28dd1a2d91c5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments