MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1fc803b3595758c6ea0b1d75423d5287e036a85a211173df5adc89bcdafca13. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: d1fc803b3595758c6ea0b1d75423d5287e036a85a211173df5adc89bcdafca13
SHA3-384 hash: bbb15d5eccc0633a2844ee3970508cb1a2696d3fdb090c1a6e5ecf117fa19d396d312a29d9784856dec7f2732bd39ee9
SHA1 hash: 1f3efb845b649ed4f64dd3496c93e46e114f4169
MD5 hash: 66de6652b7250a12615313481f1c76d4
humanhash: south-carpet-asparagus-pizza
File name:Payment_Copy.exe
Download: download sample
Signature Formbook
File size:766'976 bytes
First seen:2022-03-16 07:53:17 UTC
Last seen:2022-03-16 09:30:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:8wXwOEj9YovtlXIXH4X/V2EQsH2xnY6MazMNsAON3fuZRaFhkG117RzT:LXwOoYoF14Q92RsH6FqONvufaFhb
TLSH T1A9F4125533EC9B23CAFF8D32E4A441222BB1F66B3562C74E5B8524FB29A774406207D7
File icon (PE):PE icon
dhash icon 80c4ececececc480 (6 x AgentTesla, 5 x Formbook, 5 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Unauthorized injection to a system process
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
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 590266 Sample: Payment_Copy.exe Startdate: 16/03/2022 Architecture: WINDOWS Score: 100 31 www.izakgrove.com 2->31 33 izakgrove.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 Payment_Copy.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Payment_Copy.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 Payment_Copy.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 35 www.premierrofzms.xyz 18->35 37 www.onestopfitnfine.com 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 wlanext.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.AgentTesla
Status:
Malicious
First seen:
2022-03-16 06:42:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ct2t loader rat
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
9e083f95f2a93b1c1f16a9946e8816347ee9c8a411decd05af853d98766e334a
MD5 hash:
07a7f236714b348e39a803e60940220f
SHA1 hash:
2283e45e6576af6a6d4f55f4cfa592455053a478
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
4ffb59b76867dc3ee5df8b1476a82043c8bbfa9679aa90a2e4b937292b3722b8
MD5 hash:
fc6d91ff314356715f5c76ba61240c9f
SHA1 hash:
aac8291f9af1c2e18b8302550ee4d1c96120949a
SH256 hash:
513f797a94beb0031d6d0c64f5bd74dac5082d457def59be74454b59b43d11bf
MD5 hash:
ac53af6219960b6580e9472a666ae93b
SHA1 hash:
668d106b75b217396f76cbfda446f89deea2437c
SH256 hash:
e6abc6f82f6bf6de24f6de402c9bf42467dcbe0206b0cb2c4a4d3338c07a9a71
MD5 hash:
7b893b6ad5f4cce061da01ee0bc58da0
SHA1 hash:
04fe7ba325cdb700574be122be7b641b9180e9a4
SH256 hash:
d1fc803b3595758c6ea0b1d75423d5287e036a85a211173df5adc89bcdafca13
MD5 hash:
66de6652b7250a12615313481f1c76d4
SHA1 hash:
1f3efb845b649ed4f64dd3496c93e46e114f4169
Malware family:
XLoader
Verdict:
Malicious
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 d1fc803b3595758c6ea0b1d75423d5287e036a85a211173df5adc89bcdafca13

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments