MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe
SHA3-384 hash: 438d084bb546ab0df5454a268e1221670ff3dea59526575f5c5f17b891545e1d3b919ca173c2f6a17d3e9181a1539255
SHA1 hash: 5f65cb5214130869f7618eef0c3c613eb94ce471
MD5 hash: c0eb35d394bfb9d3921098a18acf943a
humanhash: burger-uncle-low-kitten
File name:MTCN.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:371'204 bytes
First seen:2023-04-20 10:16:47 UTC
Last seen:2023-05-13 22:53:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya69eweAwpymrOifWxSh/obLRuGbA0g1iEWW2syZRyA6bhLuhsxBwzulpr5h9xi:/Y/EAEymND/fwUMuiRyA6bluhsPQulpe
Threatray 2'734 similar samples on MalwareBazaar
TLSH T1B784238172E0C127DCF317312A361FB337FAA5611CB920FBA344D66DBCA9681A51D396
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
253
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
MTCN.exe
Verdict:
Malicious activity
Analysis date:
2023-04-20 10:37:02 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/28adb98f-43e2-4223-a7e2-9c9809d4ee4e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/383726/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Сreating synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/80649/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/644111422efbb8b9c3f52a75/reports/97a61423-d33e-4dcd-aeac-5c1b48e04f44/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98831771-ac65-45b5-96e8-fd581ecebc3a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217877
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 850828 Sample: MTCN.exe Startdate: 20/04/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 7 other signatures 2->53 11 MTCN.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\sacizx.exe, PE32 11->31 dropped 14 sacizx.exe 11->14         started        process5 signatures6 63 Multi AV Scanner detection for dropped file 14->63 65 Detected unpacking (changes PE section rights) 14->65 67 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->67 69 2 other signatures 14->69 17 sacizx.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 3 1 17->20 injected process9 dnsIp10 33 www.dofirosols.life 172.67.202.170, 49702, 80 CLOUDFLARENETUS United States 20->33 35 www.bakkenmetkinderen.com 185.104.29.32, 49701, 80 AS-ZXCSNL Netherlands 20->35 37 11 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 rundll32.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 10:17:22 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gbyrshcbvb44r25iksapa2fjinolk2sgtp24cfad3sonbpt7t67a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07d1fbe440d512969adadf047def89d10cc5f9d872dc23ec5cd01be90b75f6ef
Formbook
142f8b22d894f1fee4c501acbc425edec276004d5d30ab7572cdfab85e89ad12
Formbook
1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
Formbook
2d3c7fefde60268ec96906144d74058651f6d5d7ed5993a8b1ed00ca40a2d7f0
Formbook
3af2c0904f3729e0408f6479f4222d5fbcf695f2b5cd32e8737e8690661bb18b
Formbook
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
Formbook
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
Formbook
8d108254a8f52c795d01e4fa87ac70437873d1073e38c179716e5fa40816b82f
Formbook
9472d7a4e6028ef04c5b1a1a57844a3198229bd209b68c1d3534123e4fad8fb2
Formbook
b0302231ae277b08e383cef527b093307edf552a1777b5c9a088e2e1c61ad6fe
Formbook
+ 2'724 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ke03 rat spyware stealer trojan
Link:
https://tria.ge/reports/230420-mbebvabb9w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
96dfe2573f67812999429737db319271ad327c4bb173fbe7051037b4e3d7b04c
MD5 hash:
f32f083f7630161174df3af81ad783fc
SHA1 hash:
a0e2c3baa60af70675c0fe3c7e04b90de521e30f
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c16067a2-6ddb-4e3f-8682-4d463c67c8c9/
Parent samples :
1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
9ebd42be2d0f505ae863efdf099bd29f7058ec11077db24fb97c5683eb8df9fb
95065b804be96515ee5325880deb0126a9260f55589d506df803bed60dae1f41
776da205cc0aa18abd7fe68c234bbad03c9e0a420db8d51de997a4741d1b4028
0ca1816f2c6bc6bb3e9dc4f32b36211472bf4d737d561e9c0a2d67ad38f474a2
29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8
3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe
SH256 hash:
b9b95a4415dc758ea218429b533bd9ca408cf2b53f79e4479c62a9f6e4d8552b
MD5 hash:
1e6dcb784213b72ee5f12ce362b94f54
SHA1 hash:
d7f0bb0de3786689854cd51b7fcbc97cab7c0c7a
Link:
https://www.unpac.me/results/c16067a2-6ddb-4e3f-8682-4d463c67c8c9/
SH256 hash:
3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe
MD5 hash:
c0eb35d394bfb9d3921098a18acf943a
SHA1 hash:
5f65cb5214130869f7618eef0c3c613eb94ce471
Link:
https://www.unpac.me/results/c16067a2-6ddb-4e3f-8682-4d463c67c8c9/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3071191c41a8/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/3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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 3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383726/

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