MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e48726d82d9e1f43739b669d15d4f08a829ac4b31b12a8e0e2f003dcb65ae11. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: 3e48726d82d9e1f43739b669d15d4f08a829ac4b31b12a8e0e2f003dcb65ae11
SHA3-384 hash: f40af4de15541e6eb28d381595e6b626b77a251c6f60f2db11d9eeed99fc80ca2b1ee004436209aa8cabfe623b0b9165
SHA1 hash: 5cc27e92e52da08a973187b3c2401508ff2bc266
MD5 hash: 3360cb2e8f012336000af5894a0581d3
humanhash: coffee-bravo-fanta-august
File name:QUOTATION-648737.exe
Download: download sample
Signature Formbook
File size:1'082'368 bytes
First seen:2022-09-16 10:12:48 UTC
Last seen:2022-09-16 11:15:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ccpPlWcaVfGM0TY2tO2/2e7LWR45YyHwH:ccTWxlGLTY6xV2w
TLSH T12735E1181766C907CCAB9A74D8D2F3701AB85DC1876EC24B08ECBC7BF53E2586D913A5
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71e8cc8c8cc8e071 (2 x Formbook, 1 x AsyncRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
QUOTATION-648737.exe
Verdict:
Malicious activity
Analysis date:
2022-09-16 10:28:52 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
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
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
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 signatures2 2 Behavior Graph ID: 704085 Sample: QUOTATION-648737.exe Startdate: 16/09/2022 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 9 other signatures 2->44 9 QUOTATION-648737.exe 3 2->9         started        process3 file4 26 C:\Users\user\...\QUOTATION-648737.exe.log, ASCII 9->26 dropped 46 Tries to detect virtualization through RDTSC time measurements 9->46 48 Injects a PE file into a foreign processes 9->48 13 QUOTATION-648737.exe 9->13         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 13->50 52 Maps a DLL or memory area into another process 13->52 54 Sample uses process hollowing technique 13->54 56 Queues an APC in another process (thread injection) 13->56 16 control.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 30 Modifies the context of a thread in another process (thread injection) 16->30 32 Maps a DLL or memory area into another process 16->32 34 Tries to detect virtualization through RDTSC time measurements 16->34 22 cmd.exe 1 16->22         started        28 www.informacoesedicas.online 185.27.134.213, 49707, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 19->28 36 System process connects to network (likely due to code injection or exploit) 19->36 signatures10 process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-09-15 07:23:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g2si rat spyware stealer trojan
Behaviour
Enumerates system info in registry
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9b710d1d876ce939e35584bf6bece52f86bec1563e45c8b8cad1e3a00a78e401
MD5 hash:
2e5a97e0f3e7f8b7d279d7eb4dce48dd
SHA1 hash:
3b31bef4c6c5690c68f9885b4a0b40c4ade0d65c
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
f13f9cc5a8660902cbac3080dba65d03e03ceba359b1865ba78392f890cad7b6
MD5 hash:
9f40bb5745bafb76363fda2c43e5bc56
SHA1 hash:
508a932959286fd4a9c39191956387061d1ca27d
SH256 hash:
b90aa3fd00ce29029e995efcce1c1ebe63db9183ab90bc7f938e21569f9a8ad5
MD5 hash:
6dbf8866ca46075c02625db7c065773a
SHA1 hash:
3f66dd5538e89b97fff49ef5bf51a0c070847b41
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
3e48726d82d9e1f43739b669d15d4f08a829ac4b31b12a8e0e2f003dcb65ae11
MD5 hash:
3360cb2e8f012336000af5894a0581d3
SHA1 hash:
5cc27e92e52da08a973187b3c2401508ff2bc266
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:meth_get_eip
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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 3e48726d82d9e1f43739b669d15d4f08a829ac4b31b12a8e0e2f003dcb65ae11

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments