MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dae2da978ef889f28bb96b4b9f0519f4d04a62517bbefc55320ea8d81c70e3e8. 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 4 File information Comments

SHA256 hash: dae2da978ef889f28bb96b4b9f0519f4d04a62517bbefc55320ea8d81c70e3e8
SHA3-384 hash: d4413dc6ceb75add5f861c022ecfe9a6597f2359ec42f670902f12ef8dacd896c6385aaf272f0fca725f3d9157899fc8
SHA1 hash: 5249696ce38f363c9325d3b1f8675aea209fbb23
MD5 hash: 0f14018e2e4e2ee83b6e6b82bd9bcf91
humanhash: leopard-ink-sierra-comet
File name:Tcnpdxsfourrbk.exe
Download: download sample
Signature Formbook
File size:1'199'616 bytes
First seen:2023-10-04 02:06:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0d3c91eaf5fe15612d88e7ce6d9c9b4f (5 x Formbook)
ssdeep 24576:1RxK0h0gJ+HYS9XsILx0P83H5M8OG34WYm3:1RNTHm3
Threatray 3'592 similar samples on MalwareBazaar
TLSH T19A456A64B7B20CB1F46936B4C90A97F00DFF77A9A904688A92757D1B2CB23417F2506F
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d0a0a0a8a8a8a8d0 (5 x Formbook, 2 x DBatLoader)
Reporter koluke
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
307
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Tcnpdxsfourrbk.exe
Verdict:
Malicious activity
Analysis date:
2023-10-04 06:25:04 UTC
Tags:
dbatloader formbook xloader stealer spyware

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
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware keylogger lolbin overlay remcos
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:
DBatLoader, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
Found malware configuration
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)
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
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 DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1319146 Sample: Tcnpdxsfourrbk.exe Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 44 www.xn--88-uqi1dtk.com 2->44 86 Snort IDS alert for network traffic 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 6 other signatures 2->92 11 Tcnpdxsfourrbk.exe 1 2 2->11         started        signatures3 process4 dnsIp5 64 web.fe.1drv.com 11->64 66 ph-files.fe.1drv.com 11->66 68 2 other IPs or domains 11->68 42 C:\Users\Public\Libraries\Tcnpdxsf.PIF, PE32 11->42 dropped 112 Drops PE files with a suspicious file extension 11->112 114 Writes to foreign memory regions 11->114 116 Allocates memory in foreign processes 11->116 118 2 other signatures 11->118 16 colorcpl.exe 2 11->16         started        file6 signatures7 process8 signatures9 70 Modifies the context of a thread in another process (thread injection) 16->70 72 Maps a DLL or memory area into another process 16->72 74 Sample uses process hollowing technique 16->74 76 2 other signatures 16->76 19 explorer.exe 8 9 16->19 injected process10 dnsIp11 46 www.boonts.cfd 150.95.255.38, 49854, 80 INTERQGMOInternetIncJP Japan 19->46 48 www.maltsky.net 104.140.89.24, 49850, 80 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 19->48 50 11 other IPs or domains 19->50 94 System process connects to network (likely due to code injection or exploit) 19->94 23 Tcnpdxsf.PIF 19->23         started        27 Tcnpdxsf.PIF 19->27         started        29 control.exe 19->29         started        31 2 other processes 19->31 signatures12 process13 dnsIp14 52 web.fe.1drv.com 23->52 54 ph-files.fe.1drv.com 23->54 60 2 other IPs or domains 23->60 96 Antivirus detection for dropped file 23->96 98 Multi AV Scanner detection for dropped file 23->98 100 Writes to foreign memory regions 23->100 33 colorcpl.exe 23->33         started        56 web.fe.1drv.com 27->56 58 ph-files.fe.1drv.com 27->58 62 2 other IPs or domains 27->62 102 Allocates memory in foreign processes 27->102 104 Injects a PE file into a foreign processes 27->104 36 SndVol.exe 27->36         started        106 Modifies the context of a thread in another process (thread injection) 29->106 108 Maps a DLL or memory area into another process 29->108 110 Tries to detect virtualization through RDTSC time measurements 29->110 38 cmd.exe 1 29->38         started        signatures15 process16 signatures17 78 Modifies the context of a thread in another process (thread injection) 36->78 80 Maps a DLL or memory area into another process 36->80 82 Sample uses process hollowing technique 36->82 84 Tries to detect virtualization through RDTSC time measurements 38->84 40 conhost.exe 38->40         started        process18
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2023-10-03 08:11:16 UTC
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:ao65 persistence rat spyware stealer trojan
Behaviour
Gathers network information
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Formbook payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
ef5bc3ed536de4c9a5c02ebf475f01b810728afad6c064a236bcd71a985d20a3
MD5 hash:
610239ed40a95c217783a309c03fe8ee
SHA1 hash:
ef7188222285bb5f871bd4bf9a85fdcb0f42b186
Detections:
win_dbatloader_g1
Parent samples :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 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
SH256 hash:
dae2da978ef889f28bb96b4b9f0519f4d04a62517bbefc55320ea8d81c70e3e8
MD5 hash:
0f14018e2e4e2ee83b6e6b82bd9bcf91
SHA1 hash:
5249696ce38f363c9325d3b1f8675aea209fbb23
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Malspam

Formbook

Executable exe dae2da978ef889f28bb96b4b9f0519f4d04a62517bbefc55320ea8d81c70e3e8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments