MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9611957db07f36a13d7e43f5c32c08c0e3c44c689e7d88c832490e3d259cfb48. 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

SHA256 hash: 9611957db07f36a13d7e43f5c32c08c0e3c44c689e7d88c832490e3d259cfb48
SHA3-384 hash: d6090fb58270562da0cf4548870557d6f8fff14d84c4b686b3f090bd2877bf7142d48d486888c7eabeb3395d39603375
SHA1 hash: dc119895d29fd939c45ca5f839c4f94ee81df84d
MD5 hash: 70b451bd89a63b00a420d5104fe67853
humanhash: earth-spring-nuts-fanta
File name:Bank Slip.exe
Download: download sample
Signature Formbook
File size:704'000 bytes
First seen:2021-11-02 12:46:09 UTC
Last seen:2021-11-03 14:06:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:BuTl+qI09GtQhwX8/1QMkarf648OqDf1kgZVdlgrdm4Vz0RppppppppppppppppT:ETnYtl8NQUBpqr1j
TLSH T170E4AD82E5906265EE6C5F701632CD3103237EAD7938E56C69E87CDB3BBBBC25021953
File icon (PE):PE icon
dhash icon d4d4dad6d6dcc4e4 (34 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Slip.exe
Verdict:
Malicious activity
Analysis date:
2021-11-02 12:49:26 UTC
Tags:
trojan formbook 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
obfuscated packed
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
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 dropped file
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 (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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 513714 Sample: Bank Slip.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 41 www.markbuyskes.com 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 11 other signatures 2->55 11 Bank Slip.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\JtkCutZjRQvsVL.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp4462.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\Bank Slip.exe.log, ASCII 11->39 dropped 59 Injects a PE file into a foreign processes 11->59 15 Bank Slip.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 Bank Slip.exe 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        process9 dnsIp10 43 www.protegerfinanceservices.com 104.21.17.85, 49812, 80 CLOUDFLARENETUS United States 22->43 45 www.thegisguru.com 22->45 47 HDRedirect-LB7-5a03e1c2772e1c9c.elb.us-east-1.amazonaws.com 3.223.115.185, 49837, 80 AMAZON-AESUS United States 22->47 57 System process connects to network (likely due to code injection or exploit) 22->57 28 systray.exe 22->28         started        signatures11 process12 signatures13 61 Self deletion via cmd delete 28->61 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-02 08:57:13 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r4gk rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.aprilsaak.quest/r4gk/
Unpacked files
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
SH256 hash:
4d22091f003f804b2f5d4fcc2cb4c74983c7f18b091855b371cbb75b3f7814c0
MD5 hash:
8f75a84c21d1e0328f226351faf3e741
SHA1 hash:
8078b10532eeb3bf1b060f0600f36d023251169e
SH256 hash:
9611957db07f36a13d7e43f5c32c08c0e3c44c689e7d88c832490e3d259cfb48
MD5 hash:
70b451bd89a63b00a420d5104fe67853
SHA1 hash:
dc119895d29fd939c45ca5f839c4f94ee81df84d
Malware family:
FormBook
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: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 9611957db07f36a13d7e43f5c32c08c0e3c44c689e7d88c832490e3d259cfb48

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments