MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5fdaaa92c4b2a31955e4a21469d2562c2b4be7fb1eae2cd06b5bce77dd25b5e. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: f5fdaaa92c4b2a31955e4a21469d2562c2b4be7fb1eae2cd06b5bce77dd25b5e
SHA3-384 hash: a6093f054dc176e33b396e219bb9ccd62cfd4c8020a9c35ab80ab5e19c611e9fa334759f433e1640ade7f6ff1df52185
SHA1 hash: 4389ec0c24dd47818c3410d3fdac6e964bcd082d
MD5 hash: c8b18ed72f85f2254d1621c4aea2b0fe
humanhash: lemon-eighteen-seventeen-fanta
File name:Swift MT-103.exe
Download: download sample
Signature FormBook
File size:1'057'280 bytes
First seen:2020-08-31 10:23:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 73ae1eef07955a270fc7a7f873444c85 (16 x AgentTesla, 8 x MassLogger, 5 x Loki)
ssdeep 12288:YR/MXPsQjiTiCAeeJpWkjumgIvSQCutDEVFbtir4247AQrns/gQsEPY+3T9CNdDd:uQvrCXEucruic247nrns/jsEP5Ds
Threatray 2'250 similar samples on MalwareBazaar
TLSH F1258D62E2924C33D1732A389C5B5774DB3ABE006D2868457BF9FD8C4F3928178352A7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: ecquerybulk.info
Sending IP: 23.106.223.15
From: Finance Office <sales@ecquerybulk.info>
Subject: Fwd: Swift MT-103 Payment Advise to Proceed
Attachment: Swift MT-103.zip (contains "Swift MT-103.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Detected FormBook malware
Detected unpacking (changes PE section rights)
Machine Learning detection for dropped file
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 dropped file
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 virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279982 Sample: Swift MT-103.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 9 other signatures 2->54 10 Swift MT-103.exe 2->10         started        process3 signatures4 72 Maps a DLL or memory area into another process 10->72 13 Swift MT-103.exe 10->13         started        process5 signatures6 74 Modifies the context of a thread in another process (thread injection) 13->74 76 Maps a DLL or memory area into another process 13->76 78 Sample uses process hollowing technique 13->78 80 Queues an APC in another process (thread injection) 13->80 16 explorer.exe 1 7 13->16 injected process7 dnsIp8 44 www.beachnoordwijk.com 188.93.150.64, 49730, 80 SIGNET-ASSignetBVNL Netherlands 16->44 46 www.chemipartner.com 175.198.95.76, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 16->46 36 C:\Users\user\AppData\Local\...\vga7no4an.exe, PE32 16->36 dropped 38 C:\Program Files (x86)\Wh0hl_\vga7no4an.exe, PE32 16->38 dropped 56 System process connects to network (likely due to code injection or exploit) 16->56 58 Benign windows process drops PE files 16->58 21 WWAHost.exe 1 17 16->21         started        25 vga7no4an.exe 16->25         started        27 help.exe 16->27         started        file9 signatures10 process11 file12 40 C:\Users\user\AppData\...\L2Mlogrv.ini, data 21->40 dropped 42 C:\Users\user\AppData\...\L2Mlogri.ini, data 21->42 dropped 60 Detected FormBook malware 21->60 62 Tries to steal Mail credentials (via file access) 21->62 64 Tries to harvest and steal browser information (history, passwords, etc) 21->64 66 Modifies the context of a thread in another process (thread injection) 21->66 29 cmd.exe 1 21->29         started        68 Maps a DLL or memory area into another process 25->68 31 vga7no4an.exe 25->31         started        70 Tries to detect virtualization through RDTSC time measurements 27->70 signatures13 process14 signatures15 34 conhost.exe 29->34         started        82 Modifies the context of a thread in another process (thread injection) 31->82 84 Maps a DLL or memory area into another process 31->84 86 Sample uses process hollowing technique 31->86 process16
Threat name:
Win32.Trojan.DelfInject
Status:
Malicious
First seen:
2020-08-31 00:49:58 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mansiobok.info/qofh/
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 f5fdaaa92c4b2a31955e4a21469d2562c2b4be7fb1eae2cd06b5bce77dd25b5e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments