MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490
SHA3-384 hash: 1a06c8facbde29cb9a63faa1a62a3e8c4d7a1558935609658a79bd1f3b6b54df24a88a8219791678fb2290fb7ba3d847
SHA1 hash: 7b7761867fc2e166a08ad8e09c474c11f952ebfc
MD5 hash: 0b514c1b8d4c61b127a729bd883c7f2d
humanhash: thirteen-lithium-red-spring
File name:file.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:811'008 bytes
First seen:2024-05-28 17:43:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:CWyQTFvwA8Ujt1ucradjOnCeQPK1sZ8M/+O:CWyQF4MfhudSnCltf2O
Threatray 119 similar samples on MalwareBazaar
TLSH T1820522053766EF10EA788BF62870169657BA7BBF3571F20C8CC234DD095EF61A24068B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 00d0d070d0607000 (6 x AgentTesla, 6 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
348
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490.exe
Verdict:
Malicious activity
Analysis date:
2024-05-28 18:03:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dd3cb826-412c-43eb-ac53-7e22aeab2808

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46841.2885.20183.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6656193c3d0e5a324e765614win7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Nekark Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/665617ef9ef257851a9a8c5c/reports/bf5d20d1-6904-4dc1-9457-e1a23ed125e2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f2a8a8a1-efc5-4844-b726-ff9bc502093a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448802
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 dropped file
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448802 Sample: file.exe Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 55 www.uzonedich.com 2->55 57 www.prospin.click 2->57 59 6 other IPs or domains 2->59 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 11 other signatures 2->77 10 file.exe 7 2->10         started        14 YyHnaeEzYq.exe 5 2->14         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\YyHnaeEzYq.exe, PE32 10->51 dropped 53 C:\Users\user\AppData\Local\...\tmp8C08.tmp, XML 10->53 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 10->87 89 Adds a directory exclusion to Windows Defender 10->89 16 file.exe 10->16         started        19 powershell.exe 23 10->19         started        21 powershell.exe 23 10->21         started        23 schtasks.exe 1 10->23         started        91 Antivirus detection for dropped file 14->91 93 Multi AV Scanner detection for dropped file 14->93 95 Machine Learning detection for dropped file 14->95 97 Injects a PE file into a foreign processes 14->97 25 schtasks.exe 1 14->25         started        27 YyHnaeEzYq.exe 14->27         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 16->67 29 IYRBRZrwkTVnwqSIPNxeCISVfsRxN.exe 16->29 injected 69 Loading BitLocker PowerShell Module 19->69 32 WmiPrvSE.exe 19->32         started        34 conhost.exe 19->34         started        36 conhost.exe 21->36         started        38 conhost.exe 23->38         started        40 conhost.exe 25->40         started        process9 signatures10 99 Found direct / indirect Syscall (likely to bypass EDR) 29->99 42 setx.exe 13 29->42         started        process11 signatures12 79 Tries to steal Mail credentials (via file / registry access) 42->79 81 Tries to harvest and steal browser information (history, passwords, etc) 42->81 83 Modifies the context of a thread in another process (thread injection) 42->83 85 2 other signatures 42->85 45 IYRBRZrwkTVnwqSIPNxeCISVfsRxN.exe 42->45 injected 49 firefox.exe 42->49         started        process13 dnsIp14 61 www.uzonedich.com 103.48.135.8, 50935, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Hong Kong 45->61 63 halmedios.com 84.32.84.32, 50940, 50941, 50942 NTT-LT-ASLT Lithuania 45->63 65 www.alexbruma.com 104.21.77.252, 50936, 50937, 50938 CLOUDFLARENETUS United States 45->65 101 Found direct / indirect Syscall (likely to bypass EDR) 45->101 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-05-27 10:22:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7vdhl7rnymrsha27qhprxcuq7cjnvjl5nkshffafyfls53exqsia._file
Verdict:
malicious
Similar samples:
380c21fd37cafa3619196df7b6337783921656dbf58f1f54b63c74ad411421e0
Formbook
4e1899294fcd9043ed50cb9f02a7085b4c243deb30e3c2d5bdaeac2569fe0e6e
Formbook
5d0c9f929bc62e914c4e8dc03c1f55d59fc62fe56bba6588ab6c37d3f499876b
Formbook
5e117147b3d77322d3f7780f2a341a2f1a7d3a15e5724ceb5138165ba2d167a8
Formbook
6fc9cffa9081fc09086d199c892c0f9f0cc16077ea135d7348208db0ce906333
Formbook
994c2c0d2e853b66344f28f6e25ad27fdf1e456f01f6f77aac29eb7a706bbf6d
Formbook
+ 109 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/240528-wa58lsdg2z/
Behaviour
Creates scheduled task(s)
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
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/67d90130-58a4-4547-abd8-4397090a98b1
Unpacked files
SH256 hash:
e663c6def60b286fb4c7757de89894916ac72afec0c405102f460766fcdf1ebf
MD5 hash:
f5920f0a45d538071c33644a71e10dad
SHA1 hash:
e0a19a04bf2cab529b34b0623aee97a00e0605e2
Link:
https://www.unpac.me/results/1ea612f7-35e0-4a67-8f82-342fa4bf46bd/
SH256 hash:
546c94df076e54b04443e6531262833d95b43b5771e380c3bf7695649ba78081
MD5 hash:
9a92f9eb764fb7479571bff97830a032
SHA1 hash:
f2f1806b8184b83d96b1abc7927963277af63f8b
Link:
https://www.unpac.me/results/1ea612f7-35e0-4a67-8f82-342fa4bf46bd/
SH256 hash:
4ed3b0a80feebddd6441815ea99334d7eab55813713a9aa2953412b767405bb8
MD5 hash:
e472f83fa7fb92da892e8ebda9d92112
SHA1 hash:
af8477c3b9530134042aed375122d395d91879e8
Link:
https://www.unpac.me/results/1ea612f7-35e0-4a67-8f82-342fa4bf46bd/
SH256 hash:
32c209f2a6369f5bd203a36263a9c243947f0e61da9ef0de068ad1117a9108f0
MD5 hash:
8d1fa59e56a1e6a12aa52f40c4890050
SHA1 hash:
2064eb9d04cb6ca22390df04ec7c214a5642b3ae
Link:
https://www.unpac.me/results/1ea612f7-35e0-4a67-8f82-342fa4bf46bd/
SH256 hash:
fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490
MD5 hash:
0b514c1b8d4c61b127a729bd883c7f2d
SHA1 hash:
7b7761867fc2e166a08ad8e09c474c11f952ebfc
Link:
https://www.unpac.me/results/1ea612f7-35e0-4a67-8f82-342fa4bf46bd/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fd4675fe2dc3/report/overview.html
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/fd4675fe2dc32323835f81df1b8a90f892daa57d6aa4729405c1572eec978490

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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