MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 818d072a964059fc8708a5fbcf678e8b9aa769a684d7a194ea4a41aab21ab66c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 818d072a964059fc8708a5fbcf678e8b9aa769a684d7a194ea4a41aab21ab66c
SHA3-384 hash: 42d84e88313ac5bc512e4ccba9a3a15ceda852a07865decf72c8218fc5d8641ad2b5793c44aefdeee3311be481feb6d6
SHA1 hash: 3beb530b52223effa37c6d5a468e1acff8e9f455
MD5 hash: 6ff1dc351943c9bf11bbca620580ee38
humanhash: gee-london-mountain-echo
File name:20452.exe
Download: download sample
Signature Formbook
File size:753'664 bytes
First seen:2022-08-10 19:26:28 UTC
Last seen:2022-08-10 19:48:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4WFhSVaCR8Wfpa5yh1mZhRqhSBBUrGjKxMBX3AMCOYA8tT8gJTc:XhSAC7fA5yOhEhc+ajRBnibA81a
TLSH T13FF4F21ADDDB8CE8D171AB32A14340708E735668D1E6DE12789A19377F2373AE683F05
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
20452.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 19:28:18 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 681941 Sample: 20452.exe Startdate: 10/08/2022 Architecture: WINDOWS Score: 100 31 www.amazon1616.top 2->31 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 7 other signatures 2->41 11 20452.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\20452.exe.log, ASCII 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 20452.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.credylisto.com 82.223.39.207, 49802, 80 ONEANDONE-ASBrauerstrasse48DE Spain 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-08-10 19:25:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bg11 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
d313ca0616d454b162d6199869ab8aeec25e225778f6a929f763925c154f4b5f
MD5 hash:
c7760e8859cf83767e720244fd45e12d
SHA1 hash:
fbd66f81eccc7b03d65a47571ae4b1cb749156b0
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
3224070dd0c6f436eb222fb67dea8f3f53c94e50b4b5de229772876ce6ad4927
MD5 hash:
8d93c6d498fb94ca02fff8a24e0c609c
SHA1 hash:
1c7bba8505156449f43d01921413edc679210008
SH256 hash:
818d072a964059fc8708a5fbcf678e8b9aa769a684d7a194ea4a41aab21ab66c
MD5 hash:
6ff1dc351943c9bf11bbca620580ee38
SHA1 hash:
3beb530b52223effa37c6d5a468e1acff8e9f455
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

Comments