MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76565a0918c66c2e70d053d7216a79ea4a4447e9278f1063cd4d14c41bcda286. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76565a0918c66c2e70d053d7216a79ea4a4447e9278f1063cd4d14c41bcda286
SHA3-384 hash: 290a73a135b903c5d355603b44fd2fc064b67058ab3303e20b156343c13368ff245d59d492ae5c5004e17b2beaf68fe4
SHA1 hash: aed801d7eac6bef69a7c76e228ad3819e4b09edd
MD5 hash: a94234a6d9ad8404238718bd6b27f64c
humanhash: violet-yankee-lithium-ohio
File name:76565a0918c66c2e70d053d7216a79ea4a4447e9278f1063cd4d14c41bcda286
Download: download sample
Signature Formbook
Create hunting rule
File size:806'400 bytes
First seen:2024-06-06 10:25:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4ABPJwKcIlr7O8BkFOHAnJfmrFchsUQuYs4r1+r/dHV+57RQzsp2JHUxOKOZ64u4:4ABhcar7O98AJurqgoMsTHJHUxj
TLSH T12F05E09D365072EFC857CD769AA82DA4AA2075B7430FC603A01712ADAE0E5DBCF151F3
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
U4atTYmWzmPN3Kz.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 02:03:41 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/7f4e9f7f-902a-4aad-b496-2e5dc8f7c24a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Trojanx-10030857-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed vbnet
Link:
https://www.filescan.io/uploads/66618ebdea679c2da917f4ef/reports/846266fc-9c88-4db7-90c7-d601c2a2ea36/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/76565a0918c66c2e70d053d7216a79ea4a4447e9278f1063cd4d14c41bcda286
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/625a8278-1a75-4d97-a9a3-9064dec97db7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1449925
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1449925 Sample: U4atTYmWzmPN3Kz.exe Startdate: 31/05/2024 Architecture: WINDOWS Score: 100 30 www.d99qtpkvavjj.xyz 2->30 32 www.cloudsoda.xyz 2->32 34 22 other IPs or domains 2->34 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 52 7 other signatures 2->52 10 U4atTYmWzmPN3Kz.exe 3 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 signatures5 64 Detected unpacking (changes PE section rights) 10->64 66 Detected unpacking (overwrites its own PE header) 10->66 68 Injects a PE file into a foreign processes 10->68 13 U4atTYmWzmPN3Kz.exe 10->13         started        16 U4atTYmWzmPN3Kz.exe 10->16         started        process6 signatures7 70 Maps a DLL or memory area into another process 13->70 18 azdKeiHABNObaBpkCvbPJ.exe 13->18 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 18->42 21 convert.exe 13 18->21         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 21->54 56 Tries to harvest and steal browser information (history, passwords, etc) 21->56 58 Deletes itself after installation 21->58 60 3 other signatures 21->60 24 azdKeiHABNObaBpkCvbPJ.exe 21->24 injected 28 firefox.exe 21->28         started        process12 dnsIp13 36 www.firmshow.top 203.161.43.228, 49754, 49755, 49756 VNPT-AS-VNVNPTCorpVN Malaysia 24->36 38 8418a72e.jl800.vip.cname.scname.com 65.181.132.188, 49758, 49759, 49760 PAIR-NETWORKSUS United States 24->38 40 8 other IPs or domains 24->40 62 Found direct / indirect Syscall (likely to bypass EDR) 24->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/76565a0918c66c2e70d053d7216a79ea4a4447e9278f1063cd4d14c41bcda286
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76565a0918c66c2e70d053d7216a79ea4a4447e9278f1063cd4d14c41bcda286/
Threat name:
Win32.Trojan.Acll
Create hunting rule
Status:
Malicious
First seen:
2024-05-30 07:59:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ozlfuciyyzwc44gqkplsc2tz5jfeir7je6hray6njukmig6nukda._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240606-mghlfsdh32/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
7f092cd56f94ab2ecee5c258d28efaf00174643d10f6099c1a30161bc396b5dd
MD5 hash:
8a14c4bf871f2e003c11fb5b931c292b
SHA1 hash:
64d7d9cbe63276e429880f4016a97f1db988715f
Link:
https://www.unpac.me/results/d6ea681a-b3fd-41b1-ab2b-d1ac8b5e7e3c/
SH256 hash:
9f893195c4d8f5d2415dd084908ed11b93fc43315bf6155991c6f77001d0aa94
MD5 hash:
d18279ae3e9c00d067ff9f15c9c1c317
SHA1 hash:
ec9129501ddb4eed1a4de3bea0aa8edbe2015515
Link:
https://www.unpac.me/results/d6ea681a-b3fd-41b1-ab2b-d1ac8b5e7e3c/
SH256 hash:
0fad6d4f541806f827b991d60a7826565c0da3c47b9873e97ed39a1abcf4acfc
MD5 hash:
62fe485ed711269ba8524d6adff102a9
SHA1 hash:
bb8438ce768352531bc027ce76a62e501b12ed36
Link:
https://www.unpac.me/results/d6ea681a-b3fd-41b1-ab2b-d1ac8b5e7e3c/
SH256 hash:
4ed3b0a80feebddd6441815ea99334d7eab55813713a9aa2953412b767405bb8
MD5 hash:
e472f83fa7fb92da892e8ebda9d92112
SHA1 hash:
af8477c3b9530134042aed375122d395d91879e8
Link:
https://www.unpac.me/results/d6ea681a-b3fd-41b1-ab2b-d1ac8b5e7e3c/
SH256 hash:
25b5214317428b6661d063585c9de0ceb173e0cbf529069873599ac09f179ae9
MD5 hash:
a09ba49a164d02715cea9498b85dadb3
SHA1 hash:
5cb0c737d9fb738c36ca64082b53cd2d816b6e8b
Link:
https://www.unpac.me/results/d6ea681a-b3fd-41b1-ab2b-d1ac8b5e7e3c/
Parent samples :
6379fc2cce3608db3ed95f85abf8e7391890b839c151224cca1dfc64c545b4d1
655a38b1686aa4f75f6dd4f2b59c8e9e09cde9997b46bafbe4e3dee38d859c99
SH256 hash:
76565a0918c66c2e70d053d7216a79ea4a4447e9278f1063cd4d14c41bcda286
MD5 hash:
a94234a6d9ad8404238718bd6b27f64c
SHA1 hash:
aed801d7eac6bef69a7c76e228ad3819e4b09edd
Link:
https://www.unpac.me/results/d6ea681a-b3fd-41b1-ab2b-d1ac8b5e7e3c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/76565a0918c6/report/overview.html
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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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