MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203
SHA3-384 hash: 13bae961b993f65f045b1c857a36b1fe334c5f80e8e629c9cc3bbb683261052f001e261a3d09780d6284085769d35e07
SHA1 hash: e3c35148a73a0fbbdd1f562ddc20fe473645b70b
MD5 hash: eb817cc80fcfd9587135e915aa8dc150
humanhash: bacon-edward-beryllium-vermont
File name:19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203
Download: download sample
Signature Formbook
Create hunting rule
File size:716'288 bytes
First seen:2025-03-10 11:57:44 UTC
Last seen:2025-03-10 13:10:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:6fiYfFMU5y1l9YBdEzZVJ32ELr8baOHgjoinOjbbZzN85twf3xbbQyBWY:ZoQf9VJm+r8bwjotPxN85tqFEyI
TLSH T11FE4E10823EE4654F1FE6FB895B946654BB1BE279833E31D128021FA4E72B45CD25373
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
dhash icon 32aa6abaaeecac51 (27 x SnakeKeylogger, 19 x Formbook, 4 x MassLogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
325
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203.exe
Verdict:
Malicious activity
Analysis date:
2025-03-10 12:06:01 UTC
Tags:
stealer formbook xloader
Link:
https://app.any.run/tasks/ec5bf3be-3373-4199-adda-fa6dd21c56ad

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ced5a51f777fe3060894e3
Tags:
autorun virus smtp remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Running batch commands
Launching a process
Creating a file
Moving of the original file
Unauthorized injection to a recently created process
Enabling autorun
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive formbook obfuscated obfuscated reconnaissance vbnet
Link:
https://www.filescan.io/uploads/67ced3ddb32a56d0c2cf3643/reports/43e081a1-dc76-486f-ba66-20898ab3bbeb/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/451ca501-9abc-483c-a738-bce164b2732e
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633598
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Drops PE files to the startup folder
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
Joe Sandbox ML detected suspicious 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)
Moves itself to temp directory
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 cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1633598 Sample: Kk2Et7vFa7.exe Startdate: 10/03/2025 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 10 other signatures 2->78 13 Kk2Et7vFa7.exe 4 2->13         started        17 rundll32.exe 2->17         started        process3 file4 68 C:\Users\user\AppData\...\Kk2Et7vFa7.exe.log, ASCII 13->68 dropped 120 Moves itself to temp directory 13->120 122 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->122 124 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 13->124 19 skype.exe 4 13->19         started        22 cmd.exe 1 13->22         started        signatures5 process6 signatures7 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->80 24 cmd.exe 3 19->24         started        28 cmd.exe 1 19->28         started        82 Uses ping.exe to sleep 22->82 84 Uses cmd line tools excessively to alter registry or file data 22->84 86 Drops PE files to the startup folder 22->86 88 Uses ping.exe to check the status of other devices and networks 22->88 30 reg.exe 1 1 22->30         started        32 PING.EXE 1 22->32         started        35 conhost.exe 22->35         started        process8 dnsIp9 64 C:\Users\user\AppData\Roaming\...\skype.exe, PE32 24->64 dropped 66 C:\Users\user\...\skype.exe:Zone.Identifier, ASCII 24->66 dropped 106 Uses ping.exe to sleep 24->106 37 skype.exe 2 24->37         started        40 conhost.exe 24->40         started        42 PING.EXE 1 24->42         started        44 PING.EXE 1 24->44         started        108 Uses cmd line tools excessively to alter registry or file data 28->108 46 conhost.exe 28->46         started        48 reg.exe 1 28->48         started        50 PING.EXE 1 28->50         started        110 Creates an undocumented autostart registry key 30->110 70 127.0.0.1 unknown unknown 32->70 file10 signatures11 process12 signatures13 98 Writes to foreign memory regions 37->98 100 Allocates memory in foreign processes 37->100 102 Hides that the sample has been downloaded from the Internet (zone.identifier) 37->102 104 Injects a PE file into a foreign processes 37->104 52 AddInProcess32.exe 37->52         started        process14 signatures15 90 Modifies the context of a thread in another process (thread injection) 52->90 92 Maps a DLL or memory area into another process 52->92 94 Sample uses process hollowing technique 52->94 96 4 other signatures 52->96 55 explorer.exe 6 1 52->55 injected process16 process17 57 raserver.exe 55->57         started        signatures18 112 Modifies the context of a thread in another process (thread injection) 57->112 114 Maps a DLL or memory area into another process 57->114 116 Tries to detect virtualization through RDTSC time measurements 57->116 118 Switches to a custom stack to bypass stack traces 57->118 60 cmd.exe 57->60         started        process19 process20 62 conhost.exe 60->62         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 06:25:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dhvagcfo2pwhtvoc76i62seinzle2wvdpts5dp7mbyn2swoeeibq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:egs9 discovery persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/250310-n5bcqatmw7/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
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
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Formbook family
Modifies WinLogon for persistence
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d93e6232-6f19-4229-b266-d4a5b3cecea8
Unpacked files
SH256 hash:
19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203
MD5 hash:
eb817cc80fcfd9587135e915aa8dc150
SHA1 hash:
e3c35148a73a0fbbdd1f562ddc20fe473645b70b
Link:
https://www.unpac.me/results/eec7e754-901d-488e-9d90-7cd699354fb7/
SH256 hash:
f52a5e61b81d351b7cf03d11dec650ef1ae67360920de8139c2d82f961e0be11
MD5 hash:
57ea940ffaf06b0c9766a62253e11eb7
SHA1 hash:
b39c382bc994da7904e4f8f124b21f0706dc0156
Link:
https://www.unpac.me/results/eec7e754-901d-488e-9d90-7cd699354fb7/
SH256 hash:
df63e7674512b9e60f662375faf0097b3e5846b509aaeb3b9f11e4cea897bb37
MD5 hash:
21bfc8f9db10167810af0b7270b1872e
SHA1 hash:
e9b9f6a1d1fa30bf02692b2ae2a948fa64b476b8
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/eec7e754-901d-488e-9d90-7cd699354fb7/
Parent samples :
683e3979cc09db086095cbe840901b82951df941ed461f89a67b98bd0ffe5ff9
f5c1310cde2a72e5962fb57726082052a23777e395154a0c6274430268321cc2
19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203
ef4948765f8caae1f84b2199e785842e19e49c39630422c12a603c93d3e6b4b4
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/19ea0308aed3ec79d5c2ff91ed48886e564d5aa37ce5d1bfec0e1ba959c42203

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