MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15af9bb36b7a51efea7ab70d98a29ef7059f4f5b7178fef0aaff0671bf6c9386. 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: 15af9bb36b7a51efea7ab70d98a29ef7059f4f5b7178fef0aaff0671bf6c9386
SHA3-384 hash: 676dc72beb65c5d3a5431838daebf89e13e6612d74a784598fd953652a27b4d62d93bb5594b0e6b1414148f397d65469
SHA1 hash: 7bbdeb9670c8dc3a4f529b41b88cdd0900acad00
MD5 hash: 1d9d946599bbe47314f6dfa89f1c6e77
humanhash: eleven-lima-michigan-two
File name:1d9d946599bbe47314f6dfa89f1c6e77.exe
Download: download sample
Signature Formbook
File size:697'344 bytes
First seen:2020-09-19 09:58:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f01e0f86270b7f3e5d91b31f21985535 (5 x AgentTesla, 2 x Loki, 1 x AveMariaRAT)
ssdeep 12288:SY2SRgOu9uO2dm4rqoXa3p1nirvopIBP8A1cNChQS0Vc:SxSJvObTV37irvopI1rVR
Threatray 2'250 similar samples on MalwareBazaar
TLSH 6FE4BFF6B2D04433C1631E3CBD4B5778686BBE1139295886DBE8EF4C9F39681352A187
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
162
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
DNS request
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
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Creates an undocumented autostart registry key
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
Sigma detected: Suspicious Svchost Process
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 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: 287698 Sample: eN4poRmfGg.exe Startdate: 19/09/2020 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 9 other signatures 2->56 10 eN4poRmfGg.exe 2->10         started        process3 signatures4 74 Detected unpacking (changes PE section rights) 10->74 76 Maps a DLL or memory area into another process 10->76 78 Tries to detect virtualization through RDTSC time measurements 10->78 80 Contains functionality to detect sleep reduction / modifications 10->80 13 eN4poRmfGg.exe 10->13         started        process5 signatures6 82 Modifies the context of a thread in another process (thread injection) 13->82 84 Maps a DLL or memory area into another process 13->84 86 Sample uses process hollowing technique 13->86 88 Queues an APC in another process (thread injection) 13->88 16 explorer.exe 6 13->16 injected process7 dnsIp8 44 www.trulex.xyz 199.192.26.105, 49729, 80 NAMECHEAP-NETUS United States 16->44 46 reignsponsibly.com 34.102.136.180, 49742, 49743, 49744 GOOGLEUS United States 16->46 48 3 other IPs or domains 16->48 36 C:\Users\user\AppData\Local\...\nb4dzn5jg.exe, PE32 16->36 dropped 38 C:\Program Files (x86)\Dbnudz\nb4dzn5jg.exe, PE32 16->38 dropped 58 System process connects to network (likely due to code injection or exploit) 16->58 60 Benign windows process drops PE files 16->60 21 svchost.exe 1 17 16->21         started        25 nb4dzn5jg.exe 16->25         started        27 colorcpl.exe 16->27         started        file9 signatures10 process11 file12 40 C:\Users\user\AppData\...\K4Alogrv.ini, data 21->40 dropped 42 C:\Users\user\AppData\...\K4Alogri.ini, data 21->42 dropped 62 Detected FormBook malware 21->62 64 Creates an undocumented autostart registry key 21->64 66 Tries to steal Mail credentials (via file access) 21->66 72 2 other signatures 21->72 29 cmd.exe 1 21->29         started        68 Maps a DLL or memory area into another process 25->68 31 nb4dzn5jg.exe 25->31         started        70 Tries to detect virtualization through RDTSC time measurements 27->70 signatures13 process14 signatures15 34 conhost.exe 29->34         started        90 Modifies the context of a thread in another process (thread injection) 31->90 92 Maps a DLL or memory area into another process 31->92 94 Sample uses process hollowing technique 31->94 process16
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-09-18 21:46:22 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.trulex.xyz/3nk4/
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.

Web download

Formbook

Executable exe 15af9bb36b7a51efea7ab70d98a29ef7059f4f5b7178fef0aaff0671bf6c9386

(this sample)

  
Delivery method
Distributed via web download

Comments