MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fe35e4057870ca3a1be484e53e3af16b5959dd86e6dc41c3cfa839e8edceade. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 6fe35e4057870ca3a1be484e53e3af16b5959dd86e6dc41c3cfa839e8edceade
SHA3-384 hash: 66840b3d30b61a8aa3ea46a12c39d3dadde021709d08fdebd30765703da1cc43884618722474d06252f8660773a35451
SHA1 hash: af80e3489b2c6e991058b4db538ddc0b22a8d268
MD5 hash: 7e95b118e796ee1fa66b8517a4665e28
humanhash: victor-bacon-sad-rugby
File name:7e95b118e796ee1fa66b8517a4665e28.exe
Download: download sample
Signature FormBook
File size:868'864 bytes
First seen:2022-06-16 12:53:00 UTC
Last seen:2022-06-16 12:53:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e9557da6ef0363b981f7f1334ba0770b (2 x Formbook, 1 x RemcosRAT, 1 x ModiLoader)
ssdeep 12288:VdMRkCvvbYZbq/7a2fpqDF5o2t9uBSFBuBCjSUudUkqLt33xQFnGWeOkD:VmKoyq/O2ByFPt9uIiT9dUkq9aF
TLSH T190059E72B2C1453BD1731A759F1BD6A4982ABE102D2C98493FE62E0C5F397903E3D297
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon c0e4a2a6a4bcbcf8 (6 x Loki, 4 x RemcosRAT, 4 x FormBook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
324
Origin country :
n/a
Vendor Threat Intelligence
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 file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Unauthorized injection to a recently created process
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:
keylogger
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, DBatLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected FormBook malware
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 647031 Sample: vuD3wWepJr.exe Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 Antivirus / Scanner detection for submitted sample 2->86 88 5 other signatures 2->88 10 vuD3wWepJr.exe 1 17 2->10         started        process3 dnsIp4 68 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49761, 49763 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->68 70 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49756, 49762 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->70 72 3 other IPs or domains 10->72 50 C:\Users\Public\Libraries\Zeyxeneyro.exe, PE32 10->50 dropped 52 C:\Users\...\Zeyxeneyro.exe:Zone.Identifier, ASCII 10->52 dropped 114 Writes to foreign memory regions 10->114 116 Allocates memory in foreign processes 10->116 118 Creates a thread in another existing process (thread injection) 10->118 120 Injects a PE file into a foreign processes 10->120 15 logagent.exe 10->15         started        file5 signatures6 process7 signatures8 122 Modifies the context of a thread in another process (thread injection) 15->122 124 Maps a DLL or memory area into another process 15->124 126 Sample uses process hollowing technique 15->126 128 2 other signatures 15->128 18 explorer.exe 2 15->18 injected process9 dnsIp10 54 192.168.2.1 unknown unknown 18->54 21 Zeyxeneyro.exe 15 18->21         started        25 cmd.exe 19 18->25         started        28 Zeyxeneyro.exe 15 18->28         started        30 wlanext.exe 18->30         started        process11 dnsIp12 56 privpw.am.files.1drv.com 21->56 58 onedrive.live.com 21->58 64 2 other IPs or domains 21->64 90 Antivirus detection for dropped file 21->90 92 Multi AV Scanner detection for dropped file 21->92 94 Writes to foreign memory regions 21->94 32 DpiScaling.exe 21->32         started        46 C:\Users\user\AppData\...\270logrv.ini, data 25->46 dropped 48 C:\Users\user\AppData\...\270logri.ini, data 25->48 dropped 96 Detected FormBook malware 25->96 98 Tries to steal Mail credentials (via file / registry access) 25->98 100 Tries to harvest and steal browser information (history, passwords, etc) 25->100 110 2 other signatures 25->110 35 cmd.exe 1 25->35         started        37 explorer.exe 155 25->37         started        60 privpw.am.files.1drv.com 28->60 62 onedrive.live.com 28->62 66 2 other IPs or domains 28->66 102 Allocates memory in foreign processes 28->102 104 Creates a thread in another existing process (thread injection) 28->104 106 Injects a PE file into a foreign processes 28->106 39 DpiScaling.exe 28->39         started        108 Tries to detect virtualization through RDTSC time measurements 30->108 file13 signatures14 process15 signatures16 74 Modifies the context of a thread in another process (thread injection) 32->74 76 Maps a DLL or memory area into another process 32->76 78 Sample uses process hollowing technique 32->78 80 Tries to detect virtualization through RDTSC time measurements 32->80 41 rundll32.exe 32->41         started        44 conhost.exe 35->44         started        process17 signatures18 112 Tries to detect virtualization through RDTSC time measurements 41->112
Threat name:
Win32.Trojan.Strictor
Status:
Malicious
First seen:
2022-06-16 12:53:12 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:ab58 persistence 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 WriteProcessMemory
Modifies Internet Explorer settings
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
6fe35e4057870ca3a1be484e53e3af16b5959dd86e6dc41c3cfa839e8edceade
MD5 hash:
7e95b118e796ee1fa66b8517a4665e28
SHA1 hash:
af80e3489b2c6e991058b4db538ddc0b22a8d268
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
Author:Willi Ballenthin

File information


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

Web download

FormBook

Executable exe 6fe35e4057870ca3a1be484e53e3af16b5959dd86e6dc41c3cfa839e8edceade

(this sample)

  
Delivery method
Distributed via web download

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