MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825
SHA3-384 hash: 951b4af67e53f9065f82d7985a56f6d0b8baa27676be7b2ead352dbc16b968efb7c3fd9b184f742b59a6873c94bdab8b
SHA1 hash: ef8f28ea9dc99964f54db7a74a445e733b544ffa
MD5 hash: f4888fe61cf63aea6500c260ceb0e118
humanhash: violet-colorado-november-five
File name:ПОКУПКА ТОВАРОВ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:3'126'397 bytes
First seen:2024-07-15 09:57:09 UTC
Last seen:2024-07-24 16:08:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:VtzSsA1BYZ3IrWdovFw5Fr4PyzDmHNlgjvqXsfYk4harxJn7:7zS51BVwmFw/4PyzDmHMZwk4It1
TLSH T1C4E51204B98B6D53FE9A9174C4D1B3F066FE5E5370FA440FEF4DAD4858424BE2242A72
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
383
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825.exe
Verdict:
Malicious activity
Analysis date:
2024-07-15 11:01:14 UTC
Tags:
formbook stealer xloader
Link:
https://app.any.run/tasks/6520fd7f-13fc-49b0-a80a-dc0aa5a9d2e9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.37783.1690.14562.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6694f27384e955866872b3aewin7simulatehigh_evasion
Tags:
Banker Encryption Execution Swotter Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Blocking the User Account Control
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d07e7661-6a27-46f3-bad6-74119ef334a8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1473471
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Disables UAC (registry)
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1473471 Sample: #U041f#U041e#U041a#U0423#U0... Startdate: 15/07/2024 Architecture: WINDOWS Score: 100 44 www.grafiktema.xyz 2->44 46 www.vacaturecast.com 2->46 48 18 other IPs or domains 2->48 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected FormBook 2->56 60 6 other signatures 2->60 10 #U041f#U041e#U041a#U0423#U041f#U041a#U0410 #U0422#U041e#U0412#U0410#U0420#U041e#U0412.exe 1 4 2->10         started        signatures3 58 Performs DNS queries to domains with low reputation 44->58 process4 signatures5 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->64 66 Writes to foreign memory regions 10->66 68 Allocates memory in foreign processes 10->68 70 3 other signatures 10->70 13 vbc.exe 10->13         started        16 powershell.exe 23 10->16         started        18 WerFault.exe 19 16 10->18         started        20 2 other processes 10->20 process6 signatures7 72 Maps a DLL or memory area into another process 13->72 22 wfpkBdZzQkGZEnFBjox.exe 13->22 injected 74 Loading BitLocker PowerShell Module 16->74 25 WmiPrvSE.exe 16->25         started        27 conhost.exe 16->27         started        process8 signatures9 62 Found direct / indirect Syscall (likely to bypass EDR) 22->62 29 SecEdit.exe 13 22->29         started        process10 signatures11 76 Tries to steal Mail credentials (via file / registry access) 29->76 78 Tries to harvest and steal browser information (history, passwords, etc) 29->78 80 Modifies the context of a thread in another process (thread injection) 29->80 82 3 other signatures 29->82 32 wfpkBdZzQkGZEnFBjox.exe 29->32 injected 36 firefox.exe 29->36         started        process12 dnsIp13 38 grafiktema.xyz 31.186.11.254, 53187, 53188, 53189 BETAINTERNATIONALTR Turkey 32->38 40 www.drivemktg.co 193.108.130.23, 53159, 53160, 53161 SVK-ASCZ Russian Federation 32->40 42 8 other IPs or domains 32->42 50 Found direct / indirect Syscall (likely to bypass EDR) 32->50 signatures14
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825/
Threat name:
Win64.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-07-15 04:04:18 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=opyfylubmclgtuiijh6azdmxkb3vvxb6p3d7cgfu5hzfjla5fasq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion execution persistence trojan
Link:
https://tria.ge/reports/240715-lzgw7s1anj/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Runs regedit.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Uses the VBS compiler for execution
Windows security modification
Adds policy Run key to start application
Command and Scripting Interpreter: PowerShell
UAC bypass
Windows security bypass
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/82525d38-a818-44d9-bdd4-7b5407526912
Unpacked files
SH256 hash:
73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825
MD5 hash:
f4888fe61cf63aea6500c260ceb0e118
SHA1 hash:
ef8f28ea9dc99964f54db7a74a445e733b544ffa
Link:
https://www.unpac.me/results/ce952cab-dcea-4a04-9a74-a910e07b1e94/
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/73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

Formbook

zip f257baeb95e78fa83112b2991739a120bb8033896d831d7f7ffd2ce6d104580b

Formbook

Executable exe 73f05c2e81609669d10849fc0c8d9750775adc3e7ec7f118b4e9f254ac1d2825

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f257baeb95e78fa83112b2991739a120bb8033896d831d7f7ffd2ce6d104580b
  
Dropped by
MD5 e176653e327f0b039d5be515f9f313e5

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments