MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f
SHA3-384 hash: 8fbb837d263b5143593fbe2d0579ca99beba788e22dddb9fd37b50f0759f62471cf69aaa8daf19e9a7bc958aad4d2abc
SHA1 hash: 050767238d3993ed5dbdd4ca83bbd354d7432758
MD5 hash: 6c3b0221a0d2bbcd925cf13b36d41533
humanhash: moon-magazine-crazy-jupiter
File name:6c3b0221a0d2bbcd925cf13b36d41533
Download: download sample
Signature Formbook
Create hunting rule
File size:665'600 bytes
First seen:2024-05-18 18:02:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:p0pei36RSGHQIJWN/LKDp4QcqPsg7NueQ9K9ti9n5c8yr98IzPdbQ/3:epp36PfJq/LwcqPZLi0uQxY
Threatray 3'051 similar samples on MalwareBazaar
TLSH T191E4124973BE5132C6DE8BB255F3B5068A3A2647704BD74AE8C412D24733905EE83B6F
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0074696971796400 (7 x AgentTesla, 6 x Formbook, 3 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
415
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
80bc491f53143f0586753066eff8912b356258afe443f5d0f74ef9b36703225c.xlsm
Verdict:
Malicious activity
Analysis date:
2024-05-17 07:22:39 UTC
Tags:
macros macros-on-open
Link:
https://app.any.run/tasks/152e617b-5f64-48f7-929a-52cae2eb6c33

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.9.23918.10974.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6648ed57d7fb0506c93c61e9/reports/162b98db-d10c-4a82-a08e-273a7fd54996/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a3fe5d97-3bd0-4732-9d48-9173e88334a8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1443785
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Loading BitLocker PowerShell Module
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
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1443785 Sample: IO23806Dwj.exe Startdate: 18/05/2024 Architecture: WINDOWS Score: 100 38 www.vipmotoryatkiralama.com 2->38 40 www.thecoxnews.com 2->40 42 12 other IPs or domains 2->42 60 Snort IDS alert for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 8 other signatures 2->66 11 IO23806Dwj.exe 4 2->11         started        14 explorer.exe 2->14         started        signatures3 process4 signatures5 70 Adds a directory exclusion to Windows Defender 11->70 72 Tries to detect virtualization through RDTSC time measurements 11->72 16 IO23806Dwj.exe 11->16         started        19 powershell.exe 23 11->19         started        74 Query firmware table information (likely to detect VMs) 14->74 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 16->50 52 Maps a DLL or memory area into another process 16->52 54 Sample uses process hollowing technique 16->54 56 Queues an APC in another process (thread injection) 16->56 21 explorer.exe 29 1 16->21 injected 58 Loading BitLocker PowerShell Module 19->58 25 WmiPrvSE.exe 19->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 www.almouranipainting.com 15.197.192.55, 49760, 80 TANDEMUS United States 21->44 46 parkingpage.namecheap.com 91.195.240.19, 49765, 80 SEDO-ASDE Germany 21->46 48 www.thecoxnews.com 3.64.163.50, 49753, 80 AMAZON-02US United States 21->48 68 System process connects to network (likely due to code injection or exploit) 21->68 29 colorcpl.exe 21->29         started        32 WerFault.exe 21 21->32         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 29->76 78 Maps a DLL or memory area into another process 29->78 80 Tries to detect virtualization through RDTSC time measurements 29->80 34 cmd.exe 1 29->34         started        process13 process14 36 conhost.exe 34->36         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 11:09:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ca3lgn556jbm56fp3xlkfvlkxllvgegg4ituq4ut6jde5vatshq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0cb284abb63cf61b070bfa0a5250ff536f92907bbf5eec07070b9aeafa4ac2bd
Formbook
17bd98071059f504f54f3a5c358adec993bc11da2f631ebddcad386bf803f5a1
Formbook
19b86526b9c8b33ee230bba95c8a02fc47db4d230933c3ebcb6888e0dd344f77
Formbook
37fd7b8035bd49b8dfad405a793428dda8cbf623de0133818756d05a1191d8b7
Formbook
6282a84266a87aa1e62b1304913bfdc8ce4c122f59f5731503f78655beaaa27e
Formbook
80bc491f53143f0586753066eff8912b356258afe443f5d0f74ef9b36703225c
Formbook
9acf79ea7507e73dadecddb7340b4162623a6f46289eb70517c5ff39121c11d0
Formbook
bf1f882e2a1d0e35207cd7cab867bffe933e134e43ff317acf2db538bd4d7210
Formbook
d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
Formbook
f7decb942c4d2f001d2f810978463780697403597ed4f5102a19c27edd649ce3
Formbook
+ 3'041 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dn03 execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240518-wm1hwsgd56/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Unpacked files
SH256 hash:
0fcf77c1d8dbf54d6c82d06ac69f91c4820c097291a17455ed67a3a51e51153b
MD5 hash:
40f4608e46aa185bfd48492bb5e7f71f
SHA1 hash:
8b1509956f24a723717ba2d81e86c5f7261eda4a
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/33e94994-b648-40bc-a48f-11e700ce1bfb/
Parent samples :
e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f
8ef8e3afba42a19e43c2cb6f591ad6ef601791db37b5626f6102e6c4d39667b7
SH256 hash:
73eba06a7811038e7f291a7ebe715307b3bdecd8bad25577cf5196a81e2ab567
MD5 hash:
71f0041667d5e3ea0d269105a74e2b4a
SHA1 hash:
ffc617b42aff2ac376a7e8275d10a35630b68ce7
Link:
https://www.unpac.me/results/33e94994-b648-40bc-a48f-11e700ce1bfb/
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/33e94994-b648-40bc-a48f-11e700ce1bfb/
SH256 hash:
c6b50a1d0d8443a983b7e9efbc050f3e3d98a6d293368e44be57859c12ebf711
MD5 hash:
4fbf8fee88c7e3619f8f430f9dda437a
SHA1 hash:
b12e94b7d91e6e11480ee04fdd5fd85eaf7e0bae
Link:
https://www.unpac.me/results/33e94994-b648-40bc-a48f-11e700ce1bfb/
SH256 hash:
e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f
MD5 hash:
6c3b0221a0d2bbcd925cf13b36d41533
SHA1 hash:
050767238d3993ed5dbdd4ca83bbd354d7432758
Link:
https://www.unpac.me/results/33e94994-b648-40bc-a48f-11e700ce1bfb/
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/e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f

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.

Web download

Formbook

Executable exe e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2854541/

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


Avatar
zbet commented on 2024-05-18 18:02:37 UTC

url : hxxps://mbsngradnja.com/application.exe