MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5e62cf36dd59a8404f074b83dd5113c51d4a1c4299d874c6e6eb8539d332364. 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: d5e62cf36dd59a8404f074b83dd5113c51d4a1c4299d874c6e6eb8539d332364
SHA3-384 hash: 61475bab8f6094922bc03d7d01ca50b5a7cf0c87a2c032f32c2d826b7a7a5e3dd9a53230308d7e37dba929820fb82de0
SHA1 hash: 3db235af988a50ecbdf6d18f2f251a38ac5c9273
MD5 hash: 0e578fefa53e00adc57473f38bcc789c
humanhash: florida-yellow-november-alanine
File name:TLa3Kq68Wk2L4z3.exe
Download: download sample
Signature Formbook
File size:617'984 bytes
First seen:2024-11-18 12:03:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:EMyCOazSlBBvVdPEc+dhlT9CLlb2GS8HwPL3qkEqtU:EMyielDvHbwTQt2ZZDIqtU
TLSH T1DFD40294B6B6E763D9D90BFA0571D77A43B68D5CE421C3039EFEACD37C01B096908682
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
382
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TLa3Kq68Wk2L4z3.exe
Verdict:
No threats detected
Analysis date:
2024-11-18 12:08:31 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
virus gates msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1557568 Sample: TLa3Kq68Wk2L4z3.exe Startdate: 18/11/2024 Architecture: WINDOWS Score: 100 34 www.pon-nmlkk.xyz 2->34 36 www.long-ybzxgm.xyz 2->36 38 3 other IPs or domains 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 48 6 other signatures 2->48 11 TLa3Kq68Wk2L4z3.exe 3 2->11         started        signatures3 46 Performs DNS queries to domains with low reputation 36->46 process4 file5 32 C:\Users\user\...\TLa3Kq68Wk2L4z3.exe.log, ASCII 11->32 dropped 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Switches to a custom stack to bypass stack traces 11->62 15 TLa3Kq68Wk2L4z3.exe 11->15         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 2 other signatures 15->70 18 explorer.exe 26 1 15->18 injected process9 process10 20 cmd.exe 18->20         started        23 WerFault.exe 21 18->23         started        signatures11 50 Modifies the context of a thread in another process (thread injection) 20->50 52 Maps a DLL or memory area into another process 20->52 54 Tries to detect virtualization through RDTSC time measurements 20->54 56 Switches to a custom stack to bypass stack traces 20->56 25 explorer.exe 31 127 20->25         started        28 cmd.exe 1 20->28         started        process12 signatures13 58 Query firmware table information (likely to detect VMs) 25->58 30 conhost.exe 28->30         started        process14
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Status:
Malicious
First seen:
2024-11-13 14:11:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unknown_loader_037
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dr14 discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a78bbc602cc7d02aaa5ebea2ddafc02acc7a163b9a9763155d7dc66cef54d7fb
MD5 hash:
e8585f3f5a1a05bee09a09fbe445a4ac
SHA1 hash:
02bdc8e998e43a4b1f4d352e23575e483d5efd6b
Detections:
FormBook win_formbook_auto win_formbook_g0 win_formbook_w0 Formbook Windows_Trojan_Formbook
SH256 hash:
f5dcc79eb4082c7ae403d08dafab13c0802046f50fc8e8bc0c09860d1468e8c5
MD5 hash:
01c57adfcdf8bec9b84d7b5fcfa6c29b
SHA1 hash:
79e1d6b7def7f3eebfdf6cce26104879bd200d5c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
649d2c4efaf5c2b29c0593d20937269f10846154095714abc45cc2636b5f6b85
MD5 hash:
91afa6193dbe35d59c3c9d3b478ae493
SHA1 hash:
239a7ee81783a40fe07227204d353f6be36a887c
SH256 hash:
d5e62cf36dd59a8404f074b83dd5113c51d4a1c4299d874c6e6eb8539d332364
MD5 hash:
0e578fefa53e00adc57473f38bcc789c
SHA1 hash:
3db235af988a50ecbdf6d18f2f251a38ac5c9273
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.

Malspam

Formbook

Executable exe d5e62cf36dd59a8404f074b83dd5113c51d4a1c4299d874c6e6eb8539d332364

(this sample)

  
Delivery method
Distributed via e-mail attachment

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