MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41052b2fbebd33434878b18c4b3fdedcc71ed062357fff97a97737440b633853. 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: 12


Intelligence 12 IOCs YARA File information Comments 1

SHA256 hash: 41052b2fbebd33434878b18c4b3fdedcc71ed062357fff97a97737440b633853
SHA3-384 hash: 764ba8b9efb96b2184b7c899ae6e32cc02c9be7694a94e51a93bbe8020e2100ba917ed439c1f39ba18d58c08ee84f37d
SHA1 hash: 1a3f74f3829bd950455c1c65e804d919d05ed617
MD5 hash: b7d8ad625a8c5321f34a3952afa3563b
humanhash: diet-lithium-floor-pennsylvania
File name:b7d8ad625a8c5321f34a3952afa3563b
Download: download sample
Signature Formbook
File size:807'936 bytes
First seen:2022-03-14 20:14:40 UTC
Last seen:2022-04-20 09:49:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8fb8f661cf68b470434b4ce11c0f8cb8 (2 x RemcosRAT, 1 x Formbook, 1 x OskiStealer)
ssdeep 12288:6C0ONbdsEPpzOXGEfb4rjn1hDjJzl/1RIlRfkC1+ZUROM:qcdOXGEfbw1hxho7fjCUR5
Threatray 12'391 similar samples on MalwareBazaar
TLSH T15C059E57B7908036CA331AF68E0B41B8606DFD659D1CE5463FDCBF492EF96822826317
File icon (PE):PE icon
dhash icon 63111616171fffee (13 x Formbook, 5 x RemcosRAT, 3 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending an HTTP GET request
Creating a file
Launching a process
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm control.exe keylogger setupapi.dll shell32.dll
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:
DBatLoader FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Drops PE files to the user root directory
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 589005 Sample: Pbi77SDHjj Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 5 other signatures 2->48 9 Pbi77SDHjj.exe 1 17 2->9         started        process3 dnsIp4 40 epakweb.com 194.233.70.54, 49764, 49765, 49779 NEXINTO-DE Germany 9->40 30 C:\Users\Public\Sluoqxf.exe, PE32 9->30 dropped 32 C:\Users\Public\fxqoulS.url, MS 9->32 dropped 34 C:\Users\Public\Sluoqxf.exe:Zone.Identifier, ASCII 9->34 dropped 66 Drops PE files to the user root directory 9->66 68 Writes to foreign memory regions 9->68 70 Allocates memory in foreign processes 9->70 72 2 other signatures 9->72 14 DpiScaling.exe 9->14         started        file5 signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Tries to detect virtualization through RDTSC time measurements 14->78 80 Queues an APC in another process (thread injection) 14->80 17 explorer.exe 2 14->17 injected process9 process10 19 Sluoqxf.exe 13 17->19         started        23 Sluoqxf.exe 14 17->23         started        dnsIp11 36 epakweb.com 19->36 50 Multi AV Scanner detection for dropped file 19->50 52 Writes to foreign memory regions 19->52 54 Allocates memory in foreign processes 19->54 25 DpiScaling.exe 19->25         started        38 epakweb.com 23->38 56 Creates a thread in another existing process (thread injection) 23->56 58 Injects a PE file into a foreign processes 23->58 28 logagent.exe 23->28         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 28->60 62 Maps a DLL or memory area into another process 28->62 64 Tries to detect virtualization through RDTSC time measurements 28->64
Threat name:
Win32.Worm.AutoRun
Status:
Malicious
First seen:
2022-03-14 20:15:13 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:modiloader family:xloader campaign:e3rs loader persistence rat suricata trojan
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
ModiLoader Second Stage
Xloader Payload
ModiLoader, DBatLoader
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
82c6df58281ae7cc2374f3cb500a03483c5e5f1b53b84f8f96223eb7c50bdb44
MD5 hash:
189fa04bd7b35f265ab6ff4d7e25787c
SHA1 hash:
815b241eb9128ae75c1b187b39e95434eb780499
Detections:
win_dbatloader_w0
Parent samples :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 hash:
41052b2fbebd33434878b18c4b3fdedcc71ed062357fff97a97737440b633853
MD5 hash:
b7d8ad625a8c5321f34a3952afa3563b
SHA1 hash:
1a3f74f3829bd950455c1c65e804d919d05ed617
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.

Web download

Formbook

Executable exe 41052b2fbebd33434878b18c4b3fdedcc71ed062357fff97a97737440b633853

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-14 20:14:42 UTC

url : hxxp://192.227.196.164/90/vbc.exe