MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19
SHA3-384 hash: 8c1f3451adc94aa0f8e8f3ebd8a382f6c795e7e651bf736a0a49ba0aa53045fda779df9153b4e013591663812b141cd0
SHA1 hash: c34d1c4d260fc9e5a910099aec296d431236f5aa
MD5 hash: c4113624b8037af315e5c2f75d4f6580
humanhash: winter-speaker-wolfram-ack
File name:Request for Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:219'323 bytes
First seen:2022-10-24 03:39:42 UTC
Last seen:2022-10-27 20:52:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:qweEpMOKKcq1Y9HYwE0GYa+2GqDJZuIwH3XoY:bMGY9KN9DtwH3XX
TLSH T10324120222D055BBDD220770E6B671F5EA7D8212052262C78FB48FAF243CACBD85A659
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook QUOTATION

Intelligence

File Origin
# of uploads :
4
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Request for Quotation.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 03:40:17 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/a63ba903-89ef-43a7-a881-71a1fb8c2894

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/323161/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.22189.32242.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser 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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bf5b594d-f292-446e-a61c-a04f71b1031c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1096160
Signature
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728801 Sample: Request for Quotation.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 36 www.dcc.productions 2->36 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Yara detected FormBook 2->56 58 4 other signatures 2->58 12 Request for Quotation.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\kcmachktc.exe, PE32 12->34 dropped 15 kcmachktc.exe 1 12->15         started        process6 signatures7 68 Machine Learning detection for dropped file 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 kcmachktc.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 23 explorer.exe 18->23 injected process10 dnsIp11 38 www.thedeck1488.com 23->38 40 www.economicalhearing.com 23->40 42 2 other IPs or domains 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 27 wlanext.exe 23->27         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-10-24 03:39:20 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=azz6htfpr5f4mczqj2knmch3cui5f2twitdhevr3nka3lqztrqmq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sm28 rat spyware stealer trojan
Link:
https://tria.ge/reports/221024-d77htsebf9/
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
2fdd6ff01e0510b68ded98354b54dc261f7a21df02c1b2566a5cfe02fd57fc67
MD5 hash:
217d326220db7d5985bfd6c29c71a4b2
SHA1 hash:
14f213c49a9b90bf83649861e6dd64a88382bf17
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/07a96e38-ea75-4917-bbe9-12e2e5962d1a/
Parent samples :
b1bc91086e6fe98ad32079eec01e28b01ae0706d513bf494bd321aaf22e641ec
6a25620e3223325004b6ef5a32d4961f95f8a6065379fac3fb10ee08bcb43bb5
1de28d05855c0573467c86248a08059df01ee919d7dc019ac94318b470bac444
0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19
7e87b1cbc2d22e69597d3153f5a1ba364483bf06f8a755d12d5b56479b1be448
SH256 hash:
ad562bd8801320570ec3d3ecf49f6ece10f5fe3f42084ec68aaf1166416f81f2
MD5 hash:
b022fc089b75187fcecfc4493802ed08
SHA1 hash:
36887647520288e433d9593c8845169ce29325f1
Link:
https://www.unpac.me/results/07a96e38-ea75-4917-bbe9-12e2e5962d1a/
SH256 hash:
0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19
MD5 hash:
c4113624b8037af315e5c2f75d4f6580
SHA1 hash:
c34d1c4d260fc9e5a910099aec296d431236f5aa
Link:
https://www.unpac.me/results/07a96e38-ea75-4917-bbe9-12e2e5962d1a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0673e3ccaf8f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Malspam

Formbook

rar 76d92a7295e68d47e688783bb1e85bc8ac0b0d8b1e35971ce890d23ace159d2c

Formbook

Executable exe 0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 76d92a7295e68d47e688783bb1e85bc8ac0b0d8b1e35971ce890d23ace159d2c
Cape
Cape
https://www.capesandbox.com/analysis/323161/
  
Dropped by
MD5 a0c7fbb4392dbe7de9c1c71995b2a22c

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