MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e. 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: 3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
SHA3-384 hash: f753797e40c2b9ef36e44dc36fd8522da8810f8c33dd8979599235c55090e5257ac18406230e2b3b4116dcee59c1ffe8
SHA1 hash: d1062e2c38badf9aac1a2c2d0bf4ea7f3e07341b
MD5 hash: f49a18388f070afc8f7a17f6053666ba
humanhash: robert-alaska-berlin-saturn
File name:f49a18388f070afc8f7a17f6053666ba
Download: download sample
Signature Formbook
Create hunting rule
File size:735'744 bytes
First seen:2024-05-09 05:06:47 UTC
Last seen:2024-05-09 05:22:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Me0ReLAfP7wD6ZtqzvBzmAqdse00yzr+zdW4WgxUHPp8RGHwAOovhbuigPc20mk1:Me+537wDAtqFmAq500yuZWfK8QrQh
Threatray 876 similar samples on MalwareBazaar
TLSH T1B5F4E09C7610B5DFC82BCD76D9A85CA8A62174BB530BD203A41315EDAA0C9EBCF151F3
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 30f0ccd4d0c4c4c4 (6 x AgentTesla, 4 x Formbook, 1 x QuasarRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e.exe
Verdict:
Malicious activity
Analysis date:
2024-05-09 05:10:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d14ce420-eda5-481d-959e-189c2a68e2fc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Crypt.8965.32653.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/663c59faa2d36d9500f34b9b/reports/71eca744-964c-494b-a738-6ba4ab95a981/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4979acd5-54dc-4a98-850f-fbefb45a52e3
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438733
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438733 Sample: 0rVlyonS3R.exe Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 55 www.yhxg.net 2->55 57 www.wow-professions.info 2->57 59 14 other IPs or domains 2->59 75 Snort IDS alert for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 10 other signatures 2->81 11 0rVlyonS3R.exe 7 2->11         started        15 zNukUlepyAI.exe 5 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\zNukUlepyAI.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpE040.tmp, XML 11->53 dropped 89 Detected unpacking (changes PE section rights) 11->89 91 Detected unpacking (overwrites its own PE header) 11->91 93 Uses schtasks.exe or at.exe to add and modify task schedules 11->93 101 2 other signatures 11->101 17 0rVlyonS3R.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        24 0rVlyonS3R.exe 11->24         started        95 Multi AV Scanner detection for dropped file 15->95 97 Machine Learning detection for dropped file 15->97 99 Tries to detect virtualization through RDTSC time measurements 15->99 26 zNukUlepyAI.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 30 explorer.exe 65 1 17->30 injected 73 Loading BitLocker PowerShell Module 20->73 34 WmiPrvSE.exe 20->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 28->40         started        process9 dnsIp10 61 www.wow-professions.info 103.224.182.246, 49713, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 30->61 63 www.yhxg.net 23.110.115.174, 49712, 80 LEASEWEB-USA-LAX-11US United States 30->63 103 System process connects to network (likely due to code injection or exploit) 30->103 42 cmmon32.exe 30->42         started        45 systray.exe 30->45         started        signatures11 process12 signatures13 83 Modifies the context of a thread in another process (thread injection) 42->83 85 Maps a DLL or memory area into another process 42->85 87 Tries to detect virtualization through RDTSC time measurements 42->87 47 cmd.exe 42->47         started        process14 process15 49 conhost.exe 47->49         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e/
Threat name:
ByteCode-MSIL.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-05-09 04:41:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hn2grfgqu4pwcywznuvpg27krv4u27rdv5cmku3pz6l5ifsrbjxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0aa8854411a4425eb86658545788feb9f69529b80c29964b8c6d0ee5314ae860
Formbook
0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85
Formbook
13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d
Formbook
82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255
Formbook
a5a473bc3d643ce300b72af75ae8f7a0d47ee983f1160707606ef9e818bb1a2f
Formbook
b67c5941b8a82c44ee8c876e53fc0435d8d5653491b6c61ef0ec5ee92bbfbed0
Formbook
c7a16881f8c69d16a9b0bdcbfdd5c4aada81eba19521d1c03ee7f6005f7d6629
Formbook
ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6
Formbook
eb69b0b605ee28f734dd788a37d0af07446c49c2376e9620275940dc7b6cdda0
Formbook
ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
Formbook
+ 866 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ht3d execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240509-frzjdsfb49/
Behaviour
Creates scheduled task(s)
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:
d014aeb8a0a85efd7daf865d40e9d50dcb25b0b6c307d181f0ea17e753486a95
MD5 hash:
4d1d5f4e4a8df6272c45fb395ffea284
SHA1 hash:
a5bedf6a607d9a700b5b723be2080165de71d32f
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/acb87d87-12c4-44df-8080-589408eb09c7/
Parent samples :
3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
f23b020b5a3aab42525b80bef3474df287cc7fa80dc3c13229c571e32fb99fe9
b878010c65295ac447edb5249825bc8ef4ba872b9a584b3dfbe4ad8f25634bfb
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/acb87d87-12c4-44df-8080-589408eb09c7/
SH256 hash:
32fed0a66e6e54d19bda3faa94f0b91e6d1611b6606a2a77e33949008771e4b6
MD5 hash:
4aac39280a9799259fa43dc00f8a150c
SHA1 hash:
1f20784ac9ccd59d3572bc88ca6d52d2a1eda5bd
Link:
https://www.unpac.me/results/acb87d87-12c4-44df-8080-589408eb09c7/
SH256 hash:
b61b329b3b25811b2848bf1bdce8a1ade665d37f651fbd5ba81db24645e40ffa
MD5 hash:
8b623647bfa41d6abdb48b28ef4d2a26
SHA1 hash:
1f0a34efe7de31997e5b624684fa895fb8bea41d
Link:
https://www.unpac.me/results/acb87d87-12c4-44df-8080-589408eb09c7/
SH256 hash:
3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
MD5 hash:
f49a18388f070afc8f7a17f6053666ba
SHA1 hash:
d1062e2c38badf9aac1a2c2d0bf4ea7f3e07341b
Link:
https://www.unpac.me/results/acb87d87-12c4-44df-8080-589408eb09c7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b746894d0a7/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/3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e

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 3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2843877/

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 2024-05-09 05:06:48 UTC

url : hxxp://192.3.179.142/44557/HJCL.exe