MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8945a72bfeac4f8234fa7eb586fa51f0cab91a0a48fdc65120947dfe37fb9970. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8945a72bfeac4f8234fa7eb586fa51f0cab91a0a48fdc65120947dfe37fb9970
SHA3-384 hash: 5d080e52150c5dc47a480f50ac23abbcd371652ed2dbd335c43fc2453c47f3d53b4769b7812cbda21e2b9d030e50a100
SHA1 hash: e19ebfe72c4ef87ee8845b034369dacb2134edc9
MD5 hash: 730e4484765c0cb93078acba2ce109a4
humanhash: three-table-failed-batman
File name:03453527209827.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:980'992 bytes
First seen:2022-08-29 09:31:22 UTC
Last seen:2022-08-30 20:36:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 55a02a3bb89eabb57a7926d8b815868b (4 x ModiLoader, 3 x Formbook, 1 x RemcosRAT)
ssdeep 24576:MrTz0kNGlNCc5Ftkku4nzSrSdN40JIyE9WDvk:MrT4LN9Ftkku4nzSrSdmWbaW
Threatray 18'019 similar samples on MalwareBazaar
TLSH T1F125BFF272E24B33D1632639CD9763586A6ABE001D14658A27F53D8CDF34681383E7A7
TrID 93.9% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.8% (.SCR) Windows screen saver (13101/52/3)
0.6% (.EXE) Win32 Executable (generic) (4505/5/1)
0.4% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon eef2eed69696eabe (10 x RemcosRAT, 8 x ModiLoader, 6 x Formbook)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03453527209827.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-29 09:34:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/94294743-1d29-4a22-a4ff-c0c43255a744

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/302150/
Detection(s):
SecuriteInfo.com.AI.Packer.7BA51BF319.5940.3331.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/30705/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger overlay
Link:
https://www.filescan.io/uploads/630c87a7e87b88e71be29ecc/reports/5cf9dffe-ae72-47e6-9285-42175b8eed56/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/849c80c1-17ea-4a30-ae0a-63d4085ff7e3
Result
Threat name:
FormBook, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059710
Signature
Allocates memory in foreign processes
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
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 domain / URL
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 692228 Sample: 03453527209827.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 7 other signatures 2->60 10 03453527209827.exe 1 17 2->10         started        process3 dnsIp4 48 ph-files.fe.1drv.com 10->48 50 onedrive.live.com 10->50 52 55ybza.ph.files.1drv.com 10->52 38 C:\Users\Public\Libraries\Pfzrbkibx.exe, PE32 10->38 dropped 40 C:\Users\...\Pfzrbkibx.exe:Zone.Identifier, ASCII 10->40 dropped 76 Writes to foreign memory regions 10->76 78 Allocates memory in foreign processes 10->78 80 Creates a thread in another existing process (thread injection) 10->80 82 Injects a PE file into a foreign processes 10->82 15 iexpress.exe 10->15         started        file5 signatures6 process7 signatures8 84 Modifies the context of a thread in another process (thread injection) 15->84 86 Maps a DLL or memory area into another process 15->86 88 Sample uses process hollowing technique 15->88 90 2 other signatures 15->90 18 explorer.exe 15->18 injected process9 process10 20 raserver.exe 18 18->20         started        24 Pfzrbkibx.exe 14 18->24         started        dnsIp11 34 C:\Users\user\AppData\...\50Mlogrv.ini, data 20->34 dropped 36 C:\Users\user\AppData\...\50Mlogri.ini, data 20->36 dropped 62 Detected FormBook malware 20->62 64 Tries to steal Mail credentials (via file / registry access) 20->64 66 Tries to harvest and steal browser information (history, passwords, etc) 20->66 72 3 other signatures 20->72 27 cmd.exe 2 20->27         started        42 ph-files.fe.1drv.com 24->42 44 onedrive.live.com 24->44 46 55ybza.ph.files.1drv.com 24->46 68 Multi AV Scanner detection for dropped file 24->68 70 Machine Learning detection for dropped file 24->70 30 iexpress.exe 24->30         started        file12 signatures13 process14 signatures15 74 Tries to harvest and steal browser information (history, passwords, etc) 27->74 32 conhost.exe 27->32         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8945a72bfeac4f8234fa7eb586fa51f0cab91a0a48fdc65120947dfe37fb9970/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-29 06:41:44 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfc2ok76vrhyenh2p22yn6sr6dflsgqkjd64mujasr674n73tfya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
259b2b50452b4533855cd37fbee3fa0b2dac7dd09cc83a56e2da07db40b68961
FormBook
2defdb22d90cba25a226f423fb2001fe8613dff78dbeb7af00dd37dd35ae992d
FormBook
5e4bd3729e3bd3c5aeb686d8e7264e2ad31d3bae42bedd1e0db2e192ef99fc33
FormBook
6b8b620534b94530ba467af917e0365640b83b1edd8a39eaa00ebf441e2e34c0
FormBook
6c232920b9bb1f2c3bf71124f93f06f49fdf41c3bae35237f7b031bebba14cc5
FormBook
6e294639b9e9dec345a4b9bdeb29bd5695ea2d84e0fa88633ece9e7e88ad2bb4
FormBook
70c90f2d3d41ea0122bdfb814294e873c963621a093faefeedd2ce5e025b886a
FormBook
e0c0c09b1e4bbdefaa39a956e232193ca2f5d672e0647da4a1cfc5c8b8f909e3
FormBook
+ 18'009 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader trojan
Link:
https://tria.ge/reports/220829-lhl5lagch3/
Behaviour
Enumerates system info in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Loads dropped DLL
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
dd98aba7a667aa34e7883503f23b3f8efff8b4b56e22f753a72b37c14a3127b3
MD5 hash:
dfd91793d4bb73bb475e0acecf94c9f7
SHA1 hash:
f5ec6cb9eeae23da65a478b614b9b74370878670
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/efc2387f-1959-44ab-8dfe-c1f328241244/
Parent samples :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 hash:
8945a72bfeac4f8234fa7eb586fa51f0cab91a0a48fdc65120947dfe37fb9970
MD5 hash:
730e4484765c0cb93078acba2ce109a4
SHA1 hash:
e19ebfe72c4ef87ee8845b034369dacb2134edc9
Link:
https://www.unpac.me/results/efc2387f-1959-44ab-8dfe-c1f328241244/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8945a72bfeac4f8234fa7eb586fa51f0cab91a0a48fdc65120947dfe37fb9970

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Malspam

FormBook

zip 97b0b66e5430162df359acaf374f16741a74b2a0d54123cd4169a9f573f039aa

FormBook

Executable exe 8945a72bfeac4f8234fa7eb586fa51f0cab91a0a48fdc65120947dfe37fb9970

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/302150/
  
Dropped by
SHA256 97b0b66e5430162df359acaf374f16741a74b2a0d54123cd4169a9f573f039aa
  
Dropped by
MD5 6d1a27b280d043b43d401563a45fdb0f

Comments