MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4. 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
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SHA256 hash: d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4
SHA3-384 hash: f06d70749e6f7f63eeadde637a05e2899b5e361c2e158bbb5747beccf8b2f19c2a039d186fd3c8c992d233d7d8de1dfd
SHA1 hash: be912bef39eddea7fdb93ddbb7f03cf76c9951a1
MD5 hash: 36ff3d0c15cf8e79fce706eae7da6182
humanhash: fruit-blossom-ink-uniform
File name:ОБРАЗЕЦ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'915'453 bytes
First seen:2024-07-15 09:56:36 UTC
Last seen:2024-07-24 21:59:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:losFLBT1E9rSf7jI0TJh4xuXin/fYIw2AtFvfY/He5:lrJx1ArwA0th44y38HY/Hi
Threatray 1'756 similar samples on MalwareBazaar
TLSH T161D51246B90B7C1BFDA95332D8E131F016FC4D97B6FAA20FDF41AC4A86116BE0560672
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 :
374
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4.exe
Verdict:
Malicious activity
Analysis date:
2024-07-15 10:49:43 UTC
Tags:
formbook stealer xloader
Link:
https://app.any.run/tasks/49507a56-dcff-404e-b674-06900eb242ba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.37783.24293.30484.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6694f270cadc6250d055607fwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Network 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
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4
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/fb984662-0c52-4ecf-b535-7ae024bf6ed1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1473470
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
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: 1473470 Sample: #U041e#U0411#U0420#U0410#U0... Startdate: 15/07/2024 Architecture: WINDOWS Score: 100 35 www.grafiktema.xyz 2->35 37 www.vacaturecast.com 2->37 39 19 other IPs or domains 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected FormBook 2->51 55 5 other signatures 2->55 10 #U041e#U0411#U0420#U0410#U0417#U0415#U0426.exe 1 4 2->10         started        signatures3 53 Performs DNS queries to domains with low reputation 35->53 process4 signatures5 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->59 61 Writes to foreign memory regions 10->61 63 Allocates memory in foreign processes 10->63 65 3 other signatures 10->65 13 vbc.exe 10->13         started        16 powershell.exe 23 10->16         started        18 WerFault.exe 19 16 10->18         started        20 3 other processes 10->20 process6 signatures7 67 Maps a DLL or memory area into another process 13->67 22 LCpSDLseuoKLGSFiOsiP.exe 13->22 injected 69 Loading BitLocker PowerShell Module 16->69 26 WmiPrvSE.exe 16->26         started        28 conhost.exe 16->28         started        process8 dnsIp9 41 grafiktema.xyz 31.186.11.254, 49759, 49760, 49761 BETAINTERNATIONALTR Turkey 22->41 43 www.drivemktg.co 193.108.130.23, 49731, 49732, 49733 SVK-ASCZ Russian Federation 22->43 45 8 other IPs or domains 22->45 57 Found direct / indirect Syscall (likely to bypass EDR) 22->57 30 SecEdit.exe 13 22->30         started        signatures10 process11 signatures12 71 Tries to steal Mail credentials (via file / registry access) 30->71 73 Tries to harvest and steal browser information (history, passwords, etc) 30->73 75 Modifies the context of a thread in another process (thread injection) 30->75 77 2 other signatures 30->77 33 firefox.exe 30->33         started        process13
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4/
Threat name:
Win64.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-07-15 04:04:12 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bjpizbpow52u7akvehgvotxmhnssw5kighowqw2lj6kek7cutka._file
Verdict:
malicious
Similar samples:
2aec68c3818dc471865d8ca5f88d783943c1efff0f66360736a09026565035b4
Formbook
3d810a66571a39b04a58bb86fda156681dee8db541c9941106d1abce59c92602
Formbook
752f5cc5a7b0f986286d09e8288c0958bc1b798477ca0d09dc2658c7ab109060
Formbook
77dc175b8fe04dae53d6c2a82d8842b03eff1f7a0116c5da1e4cebd7e7d6d4b1
Formbook
a60e8f372f54d47394a2091f56649707f1a0fffadb0afc3600f8ec103ff53d6e
Formbook
b0dcf8b809ec8685247cfec32d04af4a6956d296ce24217dc345d7d6e199fca1
Formbook
c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338
Formbook
f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852
Formbook
+ 1'746 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion execution persistence trojan
Link:
https://tria.ge/reports/240715-lyxw2atcjg/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d66ce54c-90d2-41da-b0a8-05260d70eba4
Unpacked files
SH256 hash:
d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4
MD5 hash:
36ff3d0c15cf8e79fce706eae7da6182
SHA1 hash:
be912bef39eddea7fdb93ddbb7f03cf76c9951a1
Link:
https://www.unpac.me/results/71e345ac-9edf-461b-ab1e-61b09dc1a79c/
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/d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4

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 6228f7fa56d7efb6f826709c0dbf847e7dcfe8e226dad89e5afcf61653cec14c

Formbook

Executable exe d852f4642f75bbaa7c0aa90e6aba7761db295baa418eeb42da5a7ca22be2a4d4

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6228f7fa56d7efb6f826709c0dbf847e7dcfe8e226dad89e5afcf61653cec14c
  
Dropped by
MD5 f5ff1d24ec900c9ee05402ee8fbcd107

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

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