MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00
SHA3-384 hash: 60a8c5401eeca7ddc5c40304687191cfb0545c7da07dedbbd45ca6b11100c3bb1937858a0e3bbef066fd20bc9ea497e8
SHA1 hash: f753f3c3c359b38c1051064417d6d0daf89db2c9
MD5 hash: 60bd782aa615ee9354c2221b4ad7b80c
humanhash: spring-leopard-texas-india
File name:file.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:829'952 bytes
First seen:2024-07-31 08:21:42 UTC
Last seen:2024-09-05 11:38:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:1y9WilQDz/bhj+nm3m6SsWCG0tP+KpIMD5w2T7S+w74fNJ658N:1wQDfhj+um6SgDEWHPdL65
TLSH T1BA05F06F0ED1B8A4D46D8A776278466C06752D1F7CE2E35F464CB2F8CF3238A5502A93
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 4c33d8d4d4d8324c (40 x AgentTesla, 23 x RedLineStealer, 15 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
381
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-07-31 08:32:53 UTC
Tags:
formbook xloader darktortilla
Link:
https://app.any.run/tasks/00722021-287a-4e5f-a7c3-8dbd07501bfe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a9f42e9d47c7700ac60af0
Tags:
Execution Generic Network Static Stealth Trojan Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc4e179d-bf39-4897-a869-a5141c11015f
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1485227
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1485227 Sample: file.exe Startdate: 31/07/2024 Architecture: WINDOWS Score: 100 109 Found malware configuration 2->109 111 Malicious sample detected (through community Yara rule) 2->111 113 Antivirus detection for dropped file 2->113 115 13 other signatures 2->115 10 file.exe 3 2->10         started        14 Ningbo .exe 5 2->14         started        process3 file4 73 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->73 dropped 117 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->117 16 cmd.exe 3 10->16         started        20 cmd.exe 1 10->20         started        75 C:\Users\user\AppData\Local\...\watchdog.exe, PE32 14->75 dropped 119 Injects a PE file into a foreign processes 14->119 22 Ningbo .exe 14->22         started        24 watchdog.exe 14->24         started        26 Ningbo .exe 14->26         started        signatures5 process6 file7 69 C:\Users\user\AppData\Roaming69ingbo .exe, PE32 16->69 dropped 71 C:\Users\user\...71ingbo .exe:Zone.Identifier, ASCII 16->71 dropped 91 Uses ping.exe to sleep 16->91 28 Ningbo .exe 3 16->28         started        31 conhost.exe 16->31         started        33 PING.EXE 1 16->33         started        35 PING.EXE 1 16->35         started        93 Uses ping.exe to check the status of other devices and networks 20->93 95 Tries to detect virtualization through RDTSC time measurements 20->95 37 PING.EXE 1 20->37         started        40 conhost.exe 20->40         started        42 reg.exe 1 1 20->42         started        97 Modifies the context of a thread in another process (thread injection) 22->97 99 Maps a DLL or memory area into another process 22->99 101 Sample uses process hollowing technique 22->101 107 2 other signatures 22->107 44 explorer.exe 43 22->44 injected 103 Antivirus detection for dropped file 24->103 105 Multi AV Scanner detection for dropped file 24->105 46 watchdog.exe 24->46         started        signatures8 process9 dnsIp10 121 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->121 123 Injects a PE file into a foreign processes 28->123 48 Ningbo .exe 28->48         started        51 watchdog.exe 28->51         started        53 Ningbo .exe 28->53         started        55 Ningbo .exe 28->55         started        77 127.0.0.1 unknown unknown 37->77 57 svchost.exe 44->57         started        59 autochk.exe 44->59         started        61 cmd.exe 44->61         started        signatures11 process12 signatures13 79 Sample uses process hollowing technique 48->79 81 Found direct / indirect Syscall (likely to bypass EDR) 48->81 63 watchdog.exe 51->63         started        83 Modifies the context of a thread in another process (thread injection) 57->83 85 Maps a DLL or memory area into another process 57->85 87 Tries to detect virtualization through RDTSC time measurements 57->87 89 Switches to a custom stack to bypass stack traces 57->89 65 cmd.exe 57->65         started        process14 process15 67 conhost.exe 65->67         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-07-31 08:22:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mlfbyon23p54klddahfwtsbvnf35wv3fnrwzrwwh4svzbb2tv4aa._file
Verdict:
malicious
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rn10 discovery persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240731-j9j37szfla/
Behaviour
Gathers network information
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4409e036-2688-48bc-893c-4c27f4fcb7e8
Unpacked files
SH256 hash:
62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00
MD5 hash:
60bd782aa615ee9354c2221b4ad7b80c
SHA1 hash:
f753f3c3c359b38c1051064417d6d0daf89db2c9
Link:
https://www.unpac.me/results/d2fafe30-8824-4e6e-8582-7f59e97e5755/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/62ca1c39badb/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: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 (GUARD_CF)high

Comments