MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cbf58842ab2082dfb22e1f53939cd2d1dd66b551a4d9ec397ae558f35e5475f. 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: 11


Intelligence 11 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9cbf58842ab2082dfb22e1f53939cd2d1dd66b551a4d9ec397ae558f35e5475f
SHA3-384 hash: a5a8aeec7cf4371a19de76e41f34e3bd4697f4511271558476b7dc5a32c3dea69cffbd32be3d135a754737f4023ee011
SHA1 hash: 838decdb745bc4586c31dc3c2257a3a4c759c183
MD5 hash: 3b61a8f8919eae3a6f89241c630ec932
humanhash: fanta-crazy-zulu-comet
File name:MV OBORISHTE_VSL_DESC.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:504'320 bytes
First seen:2022-06-25 08:30:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:bcoKllTXKhRxMRKiT14pSDmSKUZwzl0KKv5wQqL//0CKtX1b7ZWpmYCXBi:otlRSA/4pSDlKUZwaKHjtKtXVGis
TLSH T159B45D2C3B010E66FD1F9130CD010AA9BB660AA37381999657EF1FC98B4E4F56F45D8B
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0c8ba71713bbaf0 (1 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/283219/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Launching a process
Running batch commands
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe obfuscated packed
Link:
https://www.filescan.io/uploads/62b6c7e449d6271f1a7b9e23/reports/135169e0-8009-4581-bb4e-bac8a65b482e/overview
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/823a562a-e75c-4015-b422-7349c0305063
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1019686
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 652182 Sample: MV OBORISHTE_VSL_DESC.exe Startdate: 25/06/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 7 MV OBORISHTE_VSL_DESC.exe 15 4 2->7         started        12 Svhost.exe 14 2 2->12         started        process3 dnsIp4 36 google.com 142.250.184.206, 49746, 49786, 80 GOOGLEUS United States 7->36 38 www.google.com 142.250.185.100, 49747, 49787, 80 GOOGLEUS United States 7->38 30 C:\Users\...\MV OBORISHTE_VSL_DESC.exe.log, ASCII 7->30 dropped 50 Writes to foreign memory regions 7->50 52 Allocates memory in foreign processes 7->52 54 Injects a PE file into a foreign processes 7->54 14 cmd.exe 3 7->14         started        17 cmd.exe 1 7->17         started        20 vbc.exe 7->20         started        56 Multi AV Scanner detection for dropped file 12->56 58 Machine Learning detection for dropped file 12->58 file5 signatures6 process7 file8 32 C:\Users\user\AppData\Roaming\...\Svhost.exe, PE32 14->32 dropped 34 C:\Users\user\...\Svhost.exe:Zone.Identifier, ASCII 14->34 dropped 22 conhost.exe 14->22         started        40 Uses schtasks.exe or at.exe to add and modify task schedules 17->40 24 conhost.exe 17->24         started        26 schtasks.exe 1 17->26         started        28 WerFault.exe 23 9 20->28         started        signatures9 process10
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9cbf58842ab2082dfb22e1f53939cd2d1dd66b551a4d9ec397ae558f35e5475f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-23 14:42:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ts7vrbbkwiec36zc4h2tsoonfuo5m22vdjgz5q4xvzky6npfi5pq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:9q2j loader rat
Link:
https://tria.ge/reports/220625-ken94sfdb5/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
8e7e7cfaa5d71bcd8b20f40096ac7a600fdd9cfb826896aadd544dc0a70d931b
MD5 hash:
a30747788734b7b30ec768eca6625bba
SHA1 hash:
d07bf94c72594e64593fdb696ea547ff20481cb5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/83ad8791-4d52-4286-8619-f68ac8566e7e/
Parent samples :
9cbf58842ab2082dfb22e1f53939cd2d1dd66b551a4d9ec397ae558f35e5475f
40c4346a171db5d06a7e6002ff7307b559403662fc749c0f1de4d246f29dd411
b20ad6c8dd8844751924260b1fdf4527d6ca6629d8df09140733e88a7eae9db7
67af71fb0f05689aeca3a7ad228178ba5b1e5cf99a8b6f830c3c3f79ec1d056a
f2f1807e10def6ed679f26782bf880eb6246fcebb71e51bde767835cb1e1a5ed
SH256 hash:
9cbf58842ab2082dfb22e1f53939cd2d1dd66b551a4d9ec397ae558f35e5475f
MD5 hash:
3b61a8f8919eae3a6f89241c630ec932
SHA1 hash:
838decdb745bc4586c31dc3c2257a3a4c759c183
Link:
https://www.unpac.me/results/83ad8791-4d52-4286-8619-f68ac8566e7e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/9cbf58842ab2082dfb22e1f53939cd2d1dd66b551a4d9ec397ae558f35e5475f

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:INDICATOR_EXE_Packed_Babel
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/283219/

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