MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4028a328ab3e533631461c92c11f0594dbc1311ccb259bfe7e37c325c31a1d5. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: b4028a328ab3e533631461c92c11f0594dbc1311ccb259bfe7e37c325c31a1d5
SHA3-384 hash: ad4e81dc38532c4d1e379bfbfbb3c4ba1b35f303faeb0eadeffbb830fb4e5c4a9ad8fbd1429b542b51cc1d4a0a895cd3
SHA1 hash: 16e06a4100f47dc4829755f080680dbee1be3846
MD5 hash: 34d38a50c03cce34ce82171b30665bde
humanhash: triple-football-johnny-georgia
File name:gunzipped
Download: download sample
Signature Formbook
File size:270'848 bytes
First seen:2020-12-16 08:43:06 UTC
Last seen:2020-12-16 10:49:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e06d0f4fcf3872d57a0853ffeb036a8d (2 x AgentTesla, 2 x Formbook, 1 x Loki)
ssdeep 6144:FQ//BJTpD+uxAoivRXOuaU+c07pK43I4McYP4O:FQ/r1NAZouaNC4wP4O
Threatray 3'193 similar samples on MalwareBazaar
TLSH 82448D91F088ADDDC50314BDAD39EC7528179D899836580D16EB7F2BB9B2383341BA1F
Reporter abuse_ch
Tags:DHL FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: sujd0.315.dfinxo.ml
Sending IP: 138.68.17.133
From: "DHL Express" <info@315.dfinxo.ml>
Subject: DHL Delivery Notification
Attachment: DHL DETAIL.gz (contains "gunzipped")

Intelligence


File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
gunzipped
Verdict:
Malicious activity
Analysis date:
2020-12-16 08:48:24 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
Unauthorized injection to a recently created process
Launching a process
Sending a UDP request
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser 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
Antivirus / Scanner detection for submitted sample
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 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
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 331076 Sample: gunzipped Startdate: 16/12/2020 Architecture: WINDOWS Score: 100 30 www.industriousgame.net 2->30 32 industriousgame.net 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 4 other signatures 2->46 11 gunzipped.exe 1 2->11         started        signatures3 process4 signatures5 56 Maps a DLL or memory area into another process 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 gunzipped.exe 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process8 dnsIp9 34 www.yarus.host 92.53.96.251, 49769, 80 TIMEWEB-ASRU Russian Federation 19->34 36 funeralplansguide.com 34.102.136.180, 49764, 49765, 49768 GOOGLEUS United States 19->36 38 7 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 netsh.exe 19->23         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2020-12-16 08:44:06 UTC
AV detection:
15 of 48 (31.25%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.newenglandredsox.com/lsa/
Unpacked files
SH256 hash:
b4028a328ab3e533631461c92c11f0594dbc1311ccb259bfe7e37c325c31a1d5
MD5 hash:
34d38a50c03cce34ce82171b30665bde
SHA1 hash:
16e06a4100f47dc4829755f080680dbee1be3846
SH256 hash:
c40fd679b35fc4761e843d50ddd09d8e632912e9c37c2200695d6c001b6c1cfa
MD5 hash:
a0bb30054fa345352daca9a1651d2b48
SHA1 hash:
a64bdb236bd3b24785093b6a482def4538beaf96
Detections:
win_formbook_g0 win_formbook_auto
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 b4028a328ab3e533631461c92c11f0594dbc1311ccb259bfe7e37c325c31a1d5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments