MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c483fdd57cf8e05985e6e09ae3c74a7b53cccff68ddccd0cfea136591ec5c306. 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: c483fdd57cf8e05985e6e09ae3c74a7b53cccff68ddccd0cfea136591ec5c306
SHA3-384 hash: eb3b1d45fdce433320bb040bb2b66b86fd7c3d9efe2aee2ca657a93df107d2e1dd3eef7696cf2e102112355c1e11d0dc
SHA1 hash: 5c2a19cc01709fb4c6336b69fb91e348cc9fe2ca
MD5 hash: e6cebdd29b713d054f636e09fa411924
humanhash: gee-aspen-early-cup
File name:dialozx.exe
Download: download sample
Signature Formbook
File size:672'768 bytes
First seen:2022-05-18 12:27:23 UTC
Last seen:2022-05-18 13:35:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:ZSbCYYYYh5PYYkxOSdeMksAtzLejUoZQIl4iX+CPuof1omo3GyF9j:4Y8dvktzSjwMf+Cmof63F9j
Threatray 15'549 similar samples on MalwareBazaar
TLSH T154E4F13AB5A8DE23E65C40B9CC5109E647E5AE93DC02F75BA8D4BCDC39B5392B50310B
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SWIFT.doc
Verdict:
Malicious activity
Analysis date:
2022-05-18 12:25:36 UTC
Tags:
exploit CVE-2017-11882 loader 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
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Gathering data
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
Found 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 629264 Sample: dialozx.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 31 www.treatmeacoffee.com 2->31 33 www.printingfm.com 2->33 35 treatmeacoffee.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 dialozx.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\dialozx.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 dialozx.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 aluminiossanfer.com 146.59.171.71, 49809, 80 OVHFR Norway 18->37 39 treatmeacoffee.com 47.251.13.135, 49808, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->39 41 3 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 explorer.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-05-18 12:28:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:emc3 loader rat suricata
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
21875aac977d326011a98f7f3a72311ab59d4e5297953fe3388b6971f05ad96a
MD5 hash:
98c76889d151aacf4ff295cd9647c253
SHA1 hash:
07ac5fd392e5c9db3bc51f88e33d935f116300ca
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
d10ee63db20047e0c40a9cb39decf7f1c9d46113f4f890d0a06dac8b22f08dcd
MD5 hash:
0e4c74fbf37195cc7931bdc13438025c
SHA1 hash:
ef55cafe161355eb73620ef31357e026d6f9fbe7
SH256 hash:
bd3454e086e3abb2cbc480dc3695a66eb68a9e43d0d39bb2640fef1016ff57f8
MD5 hash:
8cde6dac6ddb00929572fc6ab9642a35
SHA1 hash:
830e042fcad4d85d5e7a09ed4eefb515a1c6bd34
SH256 hash:
09602efe05dc6b9738b23b91708978231d20c08329940541a086561795a6c9fd
MD5 hash:
1521132bd568891debf24b4973aaa24e
SHA1 hash:
393fafe43a177d02d2a8be164101fc2add2748dc
SH256 hash:
c483fdd57cf8e05985e6e09ae3c74a7b53cccff68ddccd0cfea136591ec5c306
MD5 hash:
e6cebdd29b713d054f636e09fa411924
SHA1 hash:
5c2a19cc01709fb4c6336b69fb91e348cc9fe2ca
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.

Web download

Formbook

Executable exe c483fdd57cf8e05985e6e09ae3c74a7b53cccff68ddccd0cfea136591ec5c306

(this sample)

  
Delivery method
Distributed via web download

Comments