MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 653f0905ba65d6e908d3467e8e60ee65689ef99e0dd471237e222f9b20278e5e. 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 5 File information Comments

SHA256 hash: 653f0905ba65d6e908d3467e8e60ee65689ef99e0dd471237e222f9b20278e5e
SHA3-384 hash: e108389584847a566993b57eda794f7a8614b78f4b5dabb84df6c09e5cba3350fdef6cbd22014abedeaf403d236728e5
SHA1 hash: 4bb05d22e97ff1288bff75bc2b4707fe1154a1e3
MD5 hash: f35e3852d8c7249cbcf84fee6247a710
humanhash: queen-massachusetts-bravo-enemy
File name:W5TnMyRi78vdxpf.exe
Download: download sample
Signature Formbook
File size:761'856 bytes
First seen:2024-06-11 19:18:47 UTC
Last seen:2024-06-11 20:32:43 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:FX0pxMV36Di8BtLDkthPKs+YFCYyzg7jJZiRFegcSIOLysgDVrAN+z2:FBFK9kvyXhzg7VZ+9D7WsgJri+6
Threatray 52 similar samples on MalwareBazaar
TLSH T1B2F4230673A87A88ECFE537A1836525453F172C354C2C7AE2DCA04DB5AA3F458764B8B
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 ccc8a8cc30e06030 (10 x AgentTesla, 9 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
326
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
653f0905ba65d6e908d3467e8e60ee65689ef99e0dd471237e222f9b20278e5e.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 20:12:14 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
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
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455503 Sample: W5TnMyRi78vdxpf.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 31 www.yow79.top 2->31 33 www.ssicma.org 2->33 35 19 other IPs or domains 2->35 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected FormBook 2->49 51 4 other signatures 2->51 10 W5TnMyRi78vdxpf.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\...\W5TnMyRi78vdxpf.exe.log, ASCII 10->29 dropped 63 Injects a PE file into a foreign processes 10->63 14 W5TnMyRi78vdxpf.exe 10->14         started        signatures6 process7 signatures8 65 Maps a DLL or memory area into another process 14->65 17 WaziTwehMIfCigSycANdB.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 sdchange.exe 13 17->20         started        process11 signatures12 53 Tries to steal Mail credentials (via file / registry access) 20->53 55 Tries to harvest and steal browser information (history, passwords, etc) 20->55 57 Modifies the context of a thread in another process (thread injection) 20->57 59 3 other signatures 20->59 23 WaziTwehMIfCigSycANdB.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 corverd.store 81.88.48.71, 49758, 49759, 49760 REGISTER-ASIT Italy 23->37 39 www.mysmartbadge.com.cdn.hstgr.net 84.32.84.29, 49742, 49743, 49744 NTT-LT-ASLT Lithuania 23->39 41 11 other IPs or domains 23->41 61 Found direct / indirect Syscall (likely to bypass EDR) 23->61 signatures15
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-06-11 12:56:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d3b56ed15e4481e0f823f939874b4127d1b1e39f59f0fdf0450e8d1cccdc1ac4
MD5 hash:
01cab131236dfb4247e908e2c62edfae
SHA1 hash:
f98ae17ff137c136836437b05ce68bd55310607e
SH256 hash:
ddd8d3baad9ff9547020335e9b020393ea1fae5d561b1ec77dcff09a9b2ec0e6
MD5 hash:
e993d10a2ca45f888450c808c2dc3c5e
SHA1 hash:
5fc778f94f8232b393a3573f88bf15f1f7ec43e9
SH256 hash:
cb62dce687e7dbbbdf5fa6657179ef839a69d1aa4bea0ebce7686b6e2e98fa9a
MD5 hash:
41759034c3ff25473e0caea489c2e13e
SHA1 hash:
e741add7305af83fda54dc3121be321629e9813d
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
6243c709db7165f4a84036c0544b462ee9539412c61de6151a6aa18465659e48
MD5 hash:
5166d8930d5a1bf5a1738cc180587975
SHA1 hash:
4316633ea531432ff67776d1e59dcf8481a7cbbc
SH256 hash:
653f0905ba65d6e908d3467e8e60ee65689ef99e0dd471237e222f9b20278e5e
MD5 hash:
f35e3852d8c7249cbcf84fee6247a710
SHA1 hash:
4bb05d22e97ff1288bff75bc2b4707fe1154a1e3
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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

Comments