MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee
SHA3-384 hash: 19c6394c63044b5056d0d04105d24adb7a7c567c8ebb744b0cc943846683b5b2957ef2100644bacbb70d8cfd27b17e3c
SHA1 hash: 2f9ac77721ddb3a5f5e1e0b38e9ce0a71dc38ad2
MD5 hash: 11a0cfd6b18f2973e0e8e6681191617b
humanhash: romeo-three-october-beer
File name:Documento di richiesta di preventivo NR_531 28 05 24.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:630'784 bytes
First seen:2024-05-28 17:43:26 UTC
Last seen:2024-06-03 09:49:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:LCCVt31vOeMY09tjQVMmYJSOmBk9Io9U+QhckM+:r7vtMY09RkMmYJSjBkbRQ
Threatray 1'177 similar samples on MalwareBazaar
TLSH T181D42382375D87ABE335DFB10DA8B33B82BAA1114434E1CD4C5D65AD4E7A35E4026A3F
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon e8963351513b8ee8 (9 x AgentTesla, 4 x Formbook, 1 x Neshta)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
321
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee.exe
Verdict:
Malicious activity
Analysis date:
2024-05-28 18:08:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/db84e650-31bc-4fc6-ad27-ee768082a46b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13519.19487.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665619033d0e5a324e765606win7simulatehigh_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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/665617ed9c0b71aaf52a3da8/reports/0e1f5efd-260f-4aa7-8cfe-51d8619d9538/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c1dde00-1d64-4e0f-b921-414793c16721
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448804
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448804 Sample: Documento di richiesta di p... Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 37 www.xcxocef.shop 2->37 39 www.tuotalogis.com.cdn.hstgr.net 2->39 41 7 other IPs or domains 2->41 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 15 other signatures 2->55 11 Documento di richiesta di preventivo NR_531 28 05 24.exe 4 2->11         started        signatures3 process4 signatures5 65 Adds a directory exclusion to Windows Defender 11->65 67 Injects a PE file into a foreign processes 11->67 14 Documento di richiesta di preventivo NR_531 28 05 24.exe 11->14         started        17 powershell.exe 23 11->17         started        process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 Queues an APC in another process (thread injection) 14->75 19 explorer.exe 32 1 14->19 injected 77 Loading BitLocker PowerShell Module 17->77 23 conhost.exe 17->23         started        process8 dnsIp9 43 www.tuotalogis.com.cdn.hstgr.net 84.32.84.211, 49724, 80 NTT-LT-ASLT Lithuania 19->43 45 www.slotgame99.bet 104.21.34.109, 49729, 80 CLOUDFLARENETUS United States 19->45 47 app.salla.cloud 172.64.151.183, 49727, 80 CLOUDFLARENETUS United States 19->47 57 System process connects to network (likely due to code injection or exploit) 19->57 25 mstsc.exe 19->25         started        28 WerFault.exe 21 19->28         started        signatures10 process11 signatures12 59 Modifies the context of a thread in another process (thread injection) 25->59 61 Maps a DLL or memory area into another process 25->61 63 Tries to detect virtualization through RDTSC time measurements 25->63 30 explorer.exe 116 25->30         started        33 cmd.exe 1 25->33         started        process13 signatures14 79 Query firmware table information (likely to detect VMs) 30->79 35 conhost.exe 33->35         started        process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-05-28 13:16:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4julswpmae7dcxok4npzoqhw7ja6ypechbd6fnb2k4hqa6grpxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19b86526b9c8b33ee230bba95c8a02fc47db4d230933c3ebcb6888e0dd344f77
Formbook
3e1c698228509853ff20630c605525450e37d2741f7137b3784a21d4e5d7a998
Formbook
a83aef025ddef912d97df8bbae2601b592a5e8d7db22f7f604467cc9dda1f4de
Formbook
bcf3670fe7a029d453f1887f16b97b8577235980909aa282d410cd927fb53a7f
Formbook
bd90dba924ee14fc81a245124d6e9b425b290f83cd793f76573b1408ebf5f284
Formbook
c91c2f084fcad441661842ee87995440960cda62391d260e5ff572f400d883af
Formbook
d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
Formbook
f364037856ba668a59ccec86771c5f35e45d007192c79f63d83fec463f9d1ffe
Formbook
+ 1'167 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pz12 execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240528-wa58lseh75/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/317c50ea-4213-4f40-8b83-dd802292a4d0
Unpacked files
SH256 hash:
0b20fb89c6efad8f81691293666d012b1401a92cf1826cc221552bb13158693f
MD5 hash:
96e228ff2b554adf664f368c8b3b2bc6
SHA1 hash:
5b03d91eb65047fb99296e96b08e252622037596
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/59a88b08-1f1a-4ef6-9959-c8db45f89b81/
Parent samples :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 hash:
4111e0f9a7cf05b6ba8c08f20b63e4c408988cea03e5c921a2777c312a2988dc
MD5 hash:
047f5532b14c6ca4194063a9c4a3ebbc
SHA1 hash:
c64adf80fdf0ea9ab3ed92081f8096ed2c1e6de3
Link:
https://www.unpac.me/results/59a88b08-1f1a-4ef6-9959-c8db45f89b81/
SH256 hash:
aae920669816646b4e0ac4a604482bd7803cad33aa31eb39b0e5661900b97df9
MD5 hash:
6ee07543aa79d4a0387c5167aab308dd
SHA1 hash:
c2af6c73d3bbe9232a18143c93f69a23ac07b068
Link:
https://www.unpac.me/results/59a88b08-1f1a-4ef6-9959-c8db45f89b81/
SH256 hash:
ec7d1727fe1280f7df6294f535c356cf596324fc40d934ba6db3eb8e1230dfae
MD5 hash:
c2f9e2202055f7248ffb4f2f794fcb3f
SHA1 hash:
4e262b485296b1d675f596e2faed4038993471ba
Link:
https://www.unpac.me/results/59a88b08-1f1a-4ef6-9959-c8db45f89b81/
SH256 hash:
771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee
MD5 hash:
11a0cfd6b18f2973e0e8e6681191617b
SHA1 hash:
2f9ac77721ddb3a5f5e1e0b38e9ce0a71dc38ad2
Link:
https://www.unpac.me/results/59a88b08-1f1a-4ef6-9959-c8db45f89b81/
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/771345cacf6009f18aee571afcba07b7d20f61e411c23f15a1d2b87803c68bee

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

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 (HIGH_ENTROPY_VA)high

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