MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a3d7c1f20cc8960e4066054686bd39621451dec8daa2edc19f9525f79d1c9a9. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 5a3d7c1f20cc8960e4066054686bd39621451dec8daa2edc19f9525f79d1c9a9
SHA3-384 hash: 54ede6aebe68148ef6ac5320b63a330ed06d6097e88fa58322fb1d6d6a8f474f56ecd8a51269e226c8b7470b2aacb4e0
SHA1 hash: 2337893551c7047f33ae94fd8808f7022e3ebcf4
MD5 hash: a57f25342dc460d3fa3408f02d3876dc
humanhash: alabama-mockingbird-equal-charlie
File name:PAYMENT COPY.exe
Download: download sample
Signature Formbook
File size:1'029'632 bytes
First seen:2020-12-02 06:59:15 UTC
Last seen:2020-12-02 09:04:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:3oxOAccoB0I79Lr2FGE+BSC2KVyveMTST0sDdp:YVcCI79Lrkq4IyveMmT0Ad
Threatray 3'116 similar samples on MalwareBazaar
TLSH 0A25BE36AE491929F5765B3CC4E02591A66EAFD3A307CC6D14F635CD8B33A93A8C103D
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 325720 Sample: PAYMENT COPY.exe Startdate: 02/12/2020 Architecture: WINDOWS Score: 100 33 www.imagetown.group 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AntiVM_3 2->45 47 6 other signatures 2->47 11 PAYMENT COPY.exe 14 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\PAYMENT COPY.exe.log, ASCII 11->31 dropped 57 Injects a PE file into a foreign processes 11->57 15 PAYMENT COPY.exe 11->15         started        18 PAYMENT COPY.exe 11->18         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 15->20 injected process9 dnsIp10 35 firedoom.com 151.101.1.195, 49766, 80 FASTLYUS United States 20->35 37 www.goudmarket.com 185.182.57.55, 49753, 80 ASTRALUSNL Netherlands 20->37 39 2 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 explorer.exe 20->24         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2020-12-02 06:19:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Drops file in Windows directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.firedoom.com/sbmh/
Unpacked files
SH256 hash:
5a3d7c1f20cc8960e4066054686bd39621451dec8daa2edc19f9525f79d1c9a9
MD5 hash:
a57f25342dc460d3fa3408f02d3876dc
SHA1 hash:
2337893551c7047f33ae94fd8808f7022e3ebcf4
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 5a3d7c1f20cc8960e4066054686bd39621451dec8daa2edc19f9525f79d1c9a9

(this sample)

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