MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd. 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: 10


Intelligence 10 IOCs YARA 22 File information Comments
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SHA256 hash: 19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd
SHA3-384 hash: d545085e3be4b76a449f1bfa61e56d552d29cd02a47914f6ab862f01365981a23dfd2eb6b01fda5f0617e4839a56d2d0
SHA1 hash: b2564184449917939bea25bdd16858301e5cb397
MD5 hash: e6f77541569204ef682cb0c3f0c0788b
humanhash: bacon-carpet-iowa-berlin
File name:e-dekont_html.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:856'064 bytes
First seen:2023-11-27 07:58:25 UTC
Last seen:2023-11-27 10:00:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:HMHKlI4Ftyi2Ifmmgg/zrG9UGYfpBhtD/:aX47yHdmn/zA/Y3
TLSH T12A051266B6AC9BD2D57F47F60A61E10043F23D296032E30E7DC176CF55A5FA007A2A87
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
303
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460534/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd
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/4fc8b4ab-3bed-4279-a24a-3c2cd9e09fa8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348323
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348323 Sample: e-dekont_html.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 30 www.taxhwangeub.com 2->30 32 www.ls7551.online 2->32 34 12 other IPs or domains 2->34 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 6 other signatures 2->48 10 e-dekont_html.exe 4 2->10         started        signatures3 process4 signatures5 58 Adds a directory exclusion to Windows Defender 10->58 60 Injects a PE file into a foreign processes 10->60 13 e-dekont_html.exe 10->13         started        16 powershell.exe 23 10->16         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 18 jOVjozMLNQHgLAoupObwbLicc.exe 13->18 injected 20 conhost.exe 16->20         started        process8 process9 22 extrac32.exe 13 18->22         started        signatures10 50 Tries to steal Mail credentials (via file / registry access) 22->50 52 Tries to harvest and steal browser information (history, passwords, etc) 22->52 54 Writes to foreign memory regions 22->54 56 3 other signatures 22->56 25 jOVjozMLNQHgLAoupObwbLicc.exe 22->25 injected 28 firefox.exe 22->28         started        process11 dnsIp12 36 africa-connective.com 46.23.69.44, 49767, 49768, 49769 UK2NET-ASGB United Kingdom 25->36 38 parkingpage.namecheap.com 91.195.240.19, 49755, 49756, 49757 SEDO-ASDE Germany 25->38 40 7 other IPs or domains 25->40
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-11-27 07:24:39 UTC
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dhcqwpeohrhaotzxrso7d5eezjhxtre7wiyqrag23ahlbfbt6l6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231127-jvdymsfb5t/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Loads dropped DLL
Unpacked files
SH256 hash:
905f9cac0c46040cb225556a83a536e66e8f08bf39d8ad4787cfb91a45005af6
MD5 hash:
d2f80bad148f04c9fb61f800b0b69fe9
SHA1 hash:
46ffbc18790030159f22d344b942d0e6f821a831
Link:
https://www.unpac.me/results/62e6ca9f-0737-40fc-a3a7-1d022bf48a1c/
SH256 hash:
4affe8eccb0183654f4aac08808d02460316b8283441609bb78bc14babdd6f7a
MD5 hash:
90e303cc3cf75bfed919c4b8c384f3a9
SHA1 hash:
54375c92aedacc97722bf91f1c762d3a08a09163
Link:
https://www.unpac.me/results/62e6ca9f-0737-40fc-a3a7-1d022bf48a1c/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/62e6ca9f-0737-40fc-a3a7-1d022bf48a1c/
SH256 hash:
2a0290a662e89a81ed2d9c73e54a0aeba209fc36617f134cf0aaa74690db47db
MD5 hash:
4820945deb84d6bd26460e8a6ba0c622
SHA1 hash:
c519540ad21594fa45fcc2e6e15cfbea8b3449b9
Link:
https://www.unpac.me/results/62e6ca9f-0737-40fc-a3a7-1d022bf48a1c/
SH256 hash:
63ab2dbb6a3a3b331a3abfcc8ffb67a76d8ce46ee35a7b05484552455752f9e6
MD5 hash:
bd88e7e380007ad695fa38b98bb79069
SHA1 hash:
c0f471fb5a007d15e42838976ed2e23a8f7d8315
Link:
https://www.unpac.me/results/62e6ca9f-0737-40fc-a3a7-1d022bf48a1c/
SH256 hash:
19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd
MD5 hash:
e6f77541569204ef682cb0c3f0c0788b
SHA1 hash:
b2564184449917939bea25bdd16858301e5cb397
Link:
https://www.unpac.me/results/62e6ca9f-0737-40fc-a3a7-1d022bf48a1c/
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/19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 19c50b3c8e3c4e074f378c9df1f484ca4f79c49fb2310880dad80eb09433f2fd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460534/

Comments