MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aeccef59002b851b685cf54307f906c06adb065b68c3eff112f4b0f1442d1349. 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: aeccef59002b851b685cf54307f906c06adb065b68c3eff112f4b0f1442d1349
SHA3-384 hash: 3eb9adc186d14247d0a9d2945265b019cf4d88ae09e5fa61f21b031bd4e17b9de14000c196a9c3de44f65c976de022d5
SHA1 hash: d586fb0dbdfb1a37cf8097c3f11f4db745e9faa9
MD5 hash: db7035b451f169a670b56a3a023b18e8
humanhash: idaho-robert-happy-mountain
File name:soa.exe
Download: download sample
Signature FormBook
File size:461'824 bytes
First seen:2020-08-14 10:29:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:rr5h1r6lmPMk8X25ahxL4XUhaGFo69nwTge6qG5yjNeQFgv8dKgvW:rrH1GIUk83xLfHSTg5qGIjNeDCKg
Threatray 2'220 similar samples on MalwareBazaar
TLSH 67A4AD313A5C9F72E03DA77C4264114003F3A926D733EE48BEB6469A4E61FE1467BB16
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: manuli-hydraulics.com
Sending IP: 103.99.1.226
From: "Amy Gan | Accounts Assistant" <j.tan@manuli-hydraulics.com>
Subject: RE: Statement of account as of July 2020
Attachment: soa.zip (contains "soa.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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)
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267198 Sample: soa.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM_3 2->42 44 Yara detected FormBook 2->44 46 4 other signatures 2->46 10 soa.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\Local\...\soa.exe.log, ASCII 10->32 dropped 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Injects a PE file into a foreign processes 10->60 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 RegSvcs.exe 10->19         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 21 explorer.exe 14->21 injected 70 Tries to detect virtualization through RDTSC time measurements 17->70 process8 dnsIp9 34 newsroompk.com 147.135.49.177, 49747, 80 OVHFR United States 21->34 36 www.newsroompk.com 21->36 38 2 other IPs or domains 21->38 48 System process connects to network (likely due to code injection or exploit) 21->48 25 wscript.exe 21->25         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-14 10:31:08 UTC
AV detection:
26 of 29 (89.66%)
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 AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.flekcht.com/bg6/
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 aeccef59002b851b685cf54307f906c06adb065b68c3eff112f4b0f1442d1349

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments