MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585
SHA3-384 hash: db7dcc2077716b51a41a68ade2c8490a0a5681150e4a704373c2693f6c3745b116d10f4ef9ca8c730d061756c712cbc5
SHA1 hash: b02be42a5d1d67c891cc30577a159f4fdd5fbf6e
MD5 hash: f16a453a7db95634f924bed9463d6b02
humanhash: fix-texas-hydrogen-quebec
File name:e-dekont.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:938'496 bytes
First seen:2024-03-19 07:01:21 UTC
Last seen:2024-03-25 12:30:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:XKCcwQs06lgDAd6LpSqaDuaWJfy9JOJb:XKqQsJwAdaY45yu
TLSH T18A156DD1F15088DAED6B09F1BD2BA53024D3BE9D94A4410C56AEBB1776F3342209FE1E
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 eeacac8cb6e2ba86 (561 x SnakeKeylogger, 142 x AgentTesla, 40 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
341
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585.exe
Verdict:
Malicious activity
Analysis date:
2024-03-19 07:02:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ef42fcf6-a273-4e91-9f9a-3261e7811ea6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

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
Link:
https://www.filescan.io/uploads/65f9386b87137159d449b989/reports/d71abbb3-b600-4006-81c5-97914f60fd16/overview
Verdict:
Malicious
Labled as:
Ransom.Loki.Generic
Link:
https://www.hybrid-analysis.com/sample/54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585
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.
Malware family:
MSIL Injector
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b2a6cede-6291-4781-b2f8-a7cc9ea30512
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1411451
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found direct / indirect Syscall (likely to bypass EDR)
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 submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1411451 Sample: e-dekont.exe Startdate: 19/03/2024 Architecture: WINDOWS Score: 92 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected FormBook 2->32 34 4 other signatures 2->34 8 e-dekont.exe 3 2->8         started        process3 process4 10 e-dekont.exe 8->10         started        13 e-dekont.exe 8->13         started        signatures5 36 Maps a DLL or memory area into another process 10->36 15 TfTbfgcCRkvvsdwlXVtPUSY.exe 10->15 injected 18 TfTbfgcCRkvvsdwlXVtPUSY.exe 10->18 injected 20 TfTbfgcCRkvvsdwlXVtPUSY.exe 10->20 injected process6 signatures7 38 Found direct / indirect Syscall (likely to bypass EDR) 15->38 22 WerFault.exe 21 15->22         started        24 WerFault.exe 1 21 18->24         started        26 WerFault.exe 21 20->26         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-03-19 06:40:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kssishlhko2kzkqhxnwadlv4wrfacqh7ybom3rjxqwtugzmwswcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240319-htr87sdg8t/
Behaviour
Enumerates processes with tasklist
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
0c6d69a44ab790d2b5c969bb6fe745922c021c5a8045db416d95d66fea7f6949
MD5 hash:
d4fa28533a5dab916e6b1b29272d9894
SHA1 hash:
0b525a5bef5a0a5588f6d5279eae2760df5dcb60
Link:
https://www.unpac.me/results/f6c60d6d-a7f3-406a-b01c-3201b2b9ab74/
SH256 hash:
a99197a2e3f477d15802a9b2250a01f7cd2be8ed435141a4e280307f2a7f2b7a
MD5 hash:
9ac50796df27f8b3977d71000d15927c
SHA1 hash:
dcf769debf4522b0800188ab9cbef26d1dbe8aed
Link:
https://www.unpac.me/results/f6c60d6d-a7f3-406a-b01c-3201b2b9ab74/
SH256 hash:
bc39c3ba2ef220300f37e0ccffd84e387eaa28c831859c3588cdfdeec243b0c5
MD5 hash:
e4c53cafec45a303e00d4d7702b02822
SHA1 hash:
bf21964cd02330655a1eb04fb83ece35899977bf
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/f6c60d6d-a7f3-406a-b01c-3201b2b9ab74/
Parent samples :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 hash:
d58a516e417246808606df7e38d8d523a6b1730808e96b95e78e40436bee0046
MD5 hash:
3061c675ae5f22e9114ae43efa3544f3
SHA1 hash:
63336314bead48fd5b601b551e4b00ea75303532
Link:
https://www.unpac.me/results/f6c60d6d-a7f3-406a-b01c-3201b2b9ab74/
SH256 hash:
6cf63636eeff20ff2f439a243e5c05975241d07b14c03cb3c55e95c897627c58
MD5 hash:
4ec0d7fda5fbea215461208ff4fabe8c
SHA1 hash:
0ec9dad08d5428395d8dde02ea733098eeb069a0
Link:
https://www.unpac.me/results/f6c60d6d-a7f3-406a-b01c-3201b2b9ab74/
SH256 hash:
54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585
MD5 hash:
f16a453a7db95634f924bed9463d6b02
SHA1 hash:
b02be42a5d1d67c891cc30577a159f4fdd5fbf6e
Link:
https://www.unpac.me/results/f6c60d6d-a7f3-406a-b01c-3201b2b9ab74/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54a4891d6753/report/overview.html
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/54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585

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: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.

Malspam

Formbook

Executable exe 54a4891d6753b4acaa07bb6c01aebcb44a0140ffc05ccdc53785a74365969585

(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