MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801
SHA3-384 hash: 8343c1a6b1f012babdad447dac749cde13096c9d9ae48fb4062c3ef4ec3dcc57cbc0953481e35c33fe8f95969a08a79b
SHA1 hash: 866b8433be908e6e5fa200be9a9396beabc70221
MD5 hash: 4d5478a128972eec1ca77059be272c8c
humanhash: cold-edward-aspen-bacon
File name:CCSSEV-014.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:529'408 bytes
First seen:2022-06-27 07:03:35 UTC
Last seen:2022-06-27 07:46:13 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:gmRtDutiYjegIEdTvMYrKUDzQ2PSmrZAZ:gmRowYjegI2Tv53zQEZAZ
TLSH T1D9B4E0C6FA5182A0DC7A67B02132C97147633C3E9475E51C6ECA3DE73EBBB918441A27
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 d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283400/
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:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b9568078c728351895daf9/reports/57ae10fd-dae1-4186-9ab2-744eb8b3e37c/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/1b20aa68-b1d3-4a0b-a538-e5d044231de2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1020145
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 652639 Sample: CCSSEV-014.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 31 www.hz2g8.icu 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->37 39 5 other signatures 2->39 11 CCSSEV-014.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\CCSSEV-014.exe.log, ASCII 11->29 dropped 47 Tries to detect virtualization through RDTSC time measurements 11->47 49 Injects a PE file into a foreign processes 11->49 15 CCSSEV-014.exe 11->15         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 15->51 53 Maps a DLL or memory area into another process 15->53 55 Sample uses process hollowing technique 15->55 57 Queues an APC in another process (thread injection) 15->57 18 explorer.exe 15->18 injected process9 process10 20 systray.exe 18->20         started        signatures11 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 23 cmd.exe 1 20->23         started        25 explorer.exe 104 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 02:35:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k52b2ccq7bb7imlxb4zwwrapmcaqzvkvr4yv3yukkr4c7kylhaaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mw06 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220627-hvxv3sbde9/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
53721928004973ee33533fcc41ed1803606ec8fd60de1fdf91dcc34b425163c0
MD5 hash:
307412c715aa273e1bbded8a00885759
SHA1 hash:
d6a48e96043f80e978df663b1d71201ba7fcdaa6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/389426bc-ca2c-418a-9dd2-aee56c67f9d0/
Parent samples :
dfc0ab6c112746d539f78d2db06430e4058584c6c54951c4420d1c98f32d11d7
5f178e8ceb1e7a58d15110f4f376823069242ee2916a3d30782a14c1dda44cbe
ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16
8d2724f8e0a2404192bc667807968f1d7f2231c86757627e5ebc028f211eefd5
57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801
6017c6dd8da77a97fcb9ab18cc38dbe1eb5ea008643bbc02dbca1fec004f20fd
SH256 hash:
6fe2775d63b7f43141c100c63f187bbdd56718b87a440b3dcf809e8877d8de26
MD5 hash:
dc0a336b048882afd8951b4e176ba1b5
SHA1 hash:
fa276f51aed5b5f76162f0480a30ba2f5c5a5069
Link:
https://www.unpac.me/results/389426bc-ca2c-418a-9dd2-aee56c67f9d0/
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
Link:
https://www.unpac.me/results/389426bc-ca2c-418a-9dd2-aee56c67f9d0/
SH256 hash:
84ceedd071c33d1ab58756f5377b055a1dd4e5ad5fd5326de80800289716c55f
MD5 hash:
01bac83b64d954905bb6c94621cabe39
SHA1 hash:
bd30e749e0c75a4d1fcb513f8d2424d4e89aae5c
Link:
https://www.unpac.me/results/389426bc-ca2c-418a-9dd2-aee56c67f9d0/
SH256 hash:
57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801
MD5 hash:
4d5478a128972eec1ca77059be272c8c
SHA1 hash:
866b8433be908e6e5fa200be9a9396beabc70221
Link:
https://www.unpac.me/results/389426bc-ca2c-418a-9dd2-aee56c67f9d0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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.

Malspam

Formbook

Executable exe 57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/283400/

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