MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c36eef30cb810844a2ef2322935cef4816d62c72bf771d57b82ab019dcfbc91. 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: 5c36eef30cb810844a2ef2322935cef4816d62c72bf771d57b82ab019dcfbc91
SHA3-384 hash: 73f3e727365715727c7c519218e384582f909cb40bd681e34204baa6bacfd1ffdbd74301c4af8d9955b004253fd26d0a
SHA1 hash: 783627bd90a732371093c089f0cae24a8bdf9379
MD5 hash: 7125f9e977e2fdf012ac976cfcbb39cb
humanhash: grey-mango-delaware-connecticut
File name:SecuriteInfo.com.W32.AIDetectNet.01.12168.20981
Download: download sample
Signature Formbook
File size:573'440 bytes
First seen:2022-06-08 16:39:30 UTC
Last seen:2022-06-08 17:39:22 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 6144:jIW/sFPON04q0iglorQSwhvcAnSv1i15KoWVTHRjx2Vl6sEMXzt2wlvYJI91t6EP:jQiNiMSC9nw1kse6sEMzspJITt6Eia
TLSH T1D1C4BFE06BBC7A60E17AD7723050912923F2584FFD22E42ABE97948E2545FC052F1E77
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.12168.20981
Verdict:
Malicious activity
Analysis date:
2022-06-08 16:51:59 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
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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 detection for URL or domain
C2 URLs / IPs found in malware configuration
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 641716 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 08/06/2022 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 10 SecuriteInfo.com.W32.AIDetectNet.01.12168.exe 3 2->10         started        process3 file4 27 SecuriteInfo.com.W...et.01.12168.exe.log, ASCII 10->27 dropped 13 RegSvcs.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 2 other signatures 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.rectifygame.com 204.11.56.48, 49764, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 16->29 31 www.season-food.com 16->31 33 2 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Uses ipconfig to lookup or modify the Windows network settings 16->37 20 ipconfig.exe 16->20         started        signatures9 process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-08 15:30:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a11e rat spyware stealer suricata 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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
433745e6d6b41fa308ce4bf8329bb238862831a34fcf98eeafb380ff5117aa94
MD5 hash:
f7afc6d168d259d21d59fda20cab4772
SHA1 hash:
6901557b71373f5388a77162793922b4fa1ced32
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
5c36eef30cb810844a2ef2322935cef4816d62c72bf771d57b82ab019dcfbc91
MD5 hash:
7125f9e977e2fdf012ac976cfcbb39cb
SHA1 hash:
783627bd90a732371093c089f0cae24a8bdf9379
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.

Comments