MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 186560894e5762221b8dd00482eff24ea616619628235d1e1a0967eb307c3893. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 186560894e5762221b8dd00482eff24ea616619628235d1e1a0967eb307c3893
SHA3-384 hash: 727136b0fcfb917b0f116198ef6762c96470daceb5dac9f4167d9f94658d8fb36fb53961711a86877fbfc3ccccaccc49
SHA1 hash: e303d92f2dfe1ab881dca7fbec4e62a38e934892
MD5 hash: 95cd540219596608c66b3a3bcf59b904
humanhash: sodium-moon-avocado-leopard
File name:loy.exe
Download: download sample
Signature Formbook
File size:536'064 bytes
First seen:2022-06-24 11:57:09 UTC
Last seen:2022-06-24 12:42:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tNohOkPRxliW1efNU5qDAbK1qxxf7xm8ZkvwJVQJMgcO:tNhkPRrhUIbKqxVmmVQJL
TLSH T11FB4F194F3691AABC58352F85869D1042767F35A80ACC686BCFA389FD4F73D19093E43
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 pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
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)
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 651789 Sample: loy.exe Startdate: 24/06/2022 Architecture: WINDOWS Score: 100 33 www.trilliontrees.club 2->33 35 www.sunamiros.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 7 other signatures 2->49 11 loy.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\loy.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 loy.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.swflfarmrescue.com 23.107.172.171, 49842, 80 LEASEWEB-USA-LAX-11US United States 18->37 39 www.ayyjc.com 154.36.145.26, 49824, 80 COGENT-174US United States 18->39 41 6 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 chkdsk.exe 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-24 11:58:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:bjtd loader persistence rat spyware stealer suricata trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Checks computer location settings
Deletes itself
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b6f43449d88299f608188cf3557ba45714e6bb258791eeea9923fa1ba7fcff0c
MD5 hash:
cce30f560ce5e59462b98561243c29e3
SHA1 hash:
b455361270adb639b4bde4a192f7dfb7079d3600
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
77244057cc35004ba2d3b188779663a41caa6a7a1c42d88f06c5db88f591abc6
MD5 hash:
1118ee4e34fa512171276014e6b12a6c
SHA1 hash:
677c6e1b102ee08e248bf3cbbd03a4489f8ddbbc
SH256 hash:
87577e6c69af07ba0e6383a2a152b59a39d6b336631ce4baa250bd9f8adce03d
MD5 hash:
9b17d560e68eff0da30f79b3c391c9a3
SHA1 hash:
5ceda263b1ea13401f652c709dd884d58945fe57
SH256 hash:
3254cfb27da3836682051feec862ec0b2fda752793bc43cdd3f1c650e889ddbf
MD5 hash:
38c30e6f77e04a03d91470d7cd0739ad
SHA1 hash:
2ce588e91689c03189b415be54b25c5e8688ee25
SH256 hash:
39c3b0ba908fa27c0b57785eb347685025f1593bbc982ce034e79a736953277a
MD5 hash:
2480e273f1bb3695c3a93b2720303df0
SHA1 hash:
18dd23f7f292e746efc1be5724a80100d2e6897f
SH256 hash:
186560894e5762221b8dd00482eff24ea616619628235d1e1a0967eb307c3893
MD5 hash:
95cd540219596608c66b3a3bcf59b904
SHA1 hash:
e303d92f2dfe1ab881dca7fbec4e62a38e934892
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.

Web download

Formbook

Executable exe 186560894e5762221b8dd00482eff24ea616619628235d1e1a0967eb307c3893

(this sample)

  
Delivery method
Distributed via web download

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