MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a60c47e31c4bfd7eff0b53c4793249b33a177d669e2e781418c6dcb2bac0f7c. 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 1

SHA256 hash: 5a60c47e31c4bfd7eff0b53c4793249b33a177d669e2e781418c6dcb2bac0f7c
SHA3-384 hash: f4a305e024bc7f9bc076b38d78824ad86ced74c616857b97d11eb7b9c5d5c5f25d69e71fc4f0957a013a196ec762d10b
SHA1 hash: 8290d7fe37cd0741a138374b95bfadf914ebab41
MD5 hash: 84027b4369d1b4c2e5eca6074423c9ca
humanhash: butter-yellow-thirteen-november
File name:84027b4369d1b4c2e5eca6074423c9ca
Download: download sample
Signature Formbook
File size:120'320 bytes
First seen:2022-07-25 10:02:47 UTC
Last seen:2022-07-25 12:42:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:LYrGPYixSpOygpbUt+yIKYYEQSbhKN1jOB9Phvs+3k:LYrGPYkVyg+pIr514N1C9Z08k
TLSH T1FDC3A26FAB18BE94D4F4093708118A5A61EADC023D13D36FA7C4B3FE2872683F564D16
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)
File icon (PE):PE icon
dhash icon d48ab0c4c4b086d4 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
338
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KOC BQ-2022-PROC-SI-68.xlsx
Verdict:
Malicious activity
Analysis date:
2022-07-25 06:47:40 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

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

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Result
Verdict:
MALICIOUS
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 672803 Sample: jURDz4iCUq Startdate: 25/07/2022 Architecture: WINDOWS Score: 100 42 www.qiange.site 2->42 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 8 other signatures 2->64 11 jURDz4iCUq.exe 15 7 2->11         started        signatures3 process4 dnsIp5 46 sucon.ga 192.185.174.179, 49747, 80 UNIFIEDLAYER-AS-1US United States 11->46 36 C:\Users\user\AppData\Roaming\...36yyfa.exe, PE32 11->36 dropped 38 C:\Users\user\...38yyfa.exe:Zone.Identifier, ASCII 11->38 dropped 40 C:\Users\user\AppData\...\jURDz4iCUq.exe.log, ASCII 11->40 dropped 70 Creates an undocumented autostart registry key 11->70 72 Encrypted powershell cmdline option found 11->72 74 Writes to foreign memory regions 11->74 76 2 other signatures 11->76 16 MSBuild.exe 11->16         started        19 MSBuild.exe 11->19         started        21 powershell.exe 15 11->21         started        file6 signatures7 process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 16->48 50 Maps a DLL or memory area into another process 16->50 52 Sample uses process hollowing technique 16->52 54 Queues an APC in another process (thread injection) 16->54 23 explorer.exe 16->23 injected 56 Tries to detect virtualization through RDTSC time measurements 19->56 27 conhost.exe 21->27         started        process10 dnsIp11 44 www.vip01ytre.xyz 44.227.65.245, 49876, 80 AMAZON-02US United States 23->44 66 System process connects to network (likely due to code injection or exploit) 23->66 68 Performs DNS queries to domains with low reputation 23->68 29 colorcpl.exe 23->29         started        signatures12 process13 signatures14 78 Modifies the context of a thread in another process (thread injection) 29->78 80 Maps a DLL or memory area into another process 29->80 82 Tries to detect virtualization through RDTSC time measurements 29->82 32 cmd.exe 1 29->32         started        process15 process16 34 conhost.exe 32->34         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-07-24 18:07:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5a60c47e31c4bfd7eff0b53c4793249b33a177d669e2e781418c6dcb2bac0f7c
MD5 hash:
84027b4369d1b4c2e5eca6074423c9ca
SHA1 hash:
8290d7fe37cd0741a138374b95bfadf914ebab41
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 5a60c47e31c4bfd7eff0b53c4793249b33a177d669e2e781418c6dcb2bac0f7c

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-25 10:02:52 UTC

url : hxxp://198.12.89.157/m/mnn.exe