MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 506c2f513d64242fcb20ccff8c26c0ed1755fe9120b984c29ba224b311d635c3. 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: 12


Intelligence 12 IOCs 1 YARA 8 File information Comments
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SHA256 hash: 506c2f513d64242fcb20ccff8c26c0ed1755fe9120b984c29ba224b311d635c3
SHA3-384 hash: 0cebad3e388ccb3bea89e72de0c5c98f7dcc4f0880bec9eb4d8823a37a21e10b475d5d7deb57d435fcdb04a5a22f2de1
SHA1 hash: 21c011ac7406eef048c175f5887e4eb885c050d6
MD5 hash: d1b2c8ddca2f8dd02e2c132153055084
humanhash: bacon-hotel-west-november
File name:d1b2c8ddca2f8dd02e2c132153055084.exe
Download: download sample
Signature Formbook
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File size:412'672 bytes
First seen:2021-10-30 06:31:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6256ca6fb1d33cce27dff272311e3072 (3 x Formbook, 2 x ArkeiStealer, 1 x DiamondFox)
ssdeep 6144:CbUYPg/USg7WFugabIv1pE0EAPMrGWsWDWidF0HQszCZ2Ftppb9Y81+k7pq7FLfj:CgYI/7FugagS2zO
TLSH T176947C2833D08C32C6AE467564A0C6728634ED2557728BDB27C46FBB3D773C08965BA7
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Formbook C2:
http://91.219.236.97/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://91.219.236.97/ https://threatfox.abuse.ch/ioc/239602/

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Download.zip
Verdict:
Malicious activity
Analysis date:
2021-10-27 21:23:39 UTC
Tags:
evasion trojan loader opendir rat redline stealer vidar raccoon formbook
Link:
https://app.any.run/tasks/04207ba2-97e5-4752-9750-2e2efd93c869

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.30735.11869.27655.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/473c67a6-df2c-44ed-a32f-8eba680687d7
Result
Threat name:
Backstage Stealer FormBook Raccoon RedLi
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879707
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (creates a PE file in dynamic memory)
Disable Windows Defender real time protection (registry)
Drops PE files to the document folder of the user
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Suspicious MSHTA Process Patterns
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Backstage Stealer
Yara detected FormBook
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Socelars
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 512141 Sample: zCc2dA5x3P.exe Startdate: 30/10/2021 Architecture: WINDOWS Score: 100 68 208.95.112.1 TUT-ASUS United States 2->68 70 194.163.158.120 NEXINTO-DE Germany 2->70 72 6 other IPs or domains 2->72 80 Multi AV Scanner detection for domain / URL 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 22 other signatures 2->86 8 zCc2dA5x3P.exe 4 58 2->8         started        signatures3 process4 dnsIp5 74 45.142.182.152 XSSERVERNL Germany 8->74 76 103.155.92.29 TWIDC-AS-APTWIDCLimitedHK unknown 8->76 78 8 other IPs or domains 8->78 46 C:\Users\...\eqBzTpXwGV2BdJW0P1TjaHaq.exe, PE32 8->46 dropped 48 C:\Users\...\d6l40O_2iVf4rx4t7h1TayXl.exe, PE32 8->48 dropped 50 C:\Users\...50IKXtiuI8ZRlywAbpYHAOBsl.exe, PE32 8->50 dropped 52 21 other files (11 malicious) 8->52 dropped 88 Detected unpacking (creates a PE file in dynamic memory) 8->88 90 Creates HTML files with .exe extension (expired dropper behavior) 8->90 92 Disable Windows Defender real time protection (registry) 8->92 13 Mj1AiwurFv1WH6NKuuuhWUvJ.exe 8->13         started        16 6e7bw0a9CWvAnSNpdjgBF6hU.exe 55 8->16         started        20 NIKXtiuI8ZRlywAbpYHAOBsl.exe 17 8->20         started        22 10 other processes 8->22 file6 signatures7 process8 dnsIp9 94 Query firmware table information (likely to detect VMs) 13->94 96 Hides threads from debuggers 13->96 98 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->98 54 88.99.75.82 HETZNER-ASDE Germany 16->54 56 65.108.80.190 ALABANZA-BALTUS United States 16->56 28 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->28 dropped 42 10 other files (none is malicious) 16->42 dropped 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->100 102 Tries to harvest and steal browser information (history, passwords, etc) 16->102 58 149.154.167.99 TELEGRAMRU United Kingdom 20->58 66 3 other IPs or domains 20->66 30 C:\Users\...\cj8C3yAMn12TqVnrYfczY5Ch.exe, PE32 20->30 dropped 32 C:\Users\user\AppData\...\Cube_WW14[1].bmp, PE32 20->32 dropped 34 C:\...\PowerControl_Svc.exe, PE32 20->34 dropped 60 88.99.66.31 HETZNER-ASDE Germany 22->60 62 195.58.38.59 FLEX-ASRU Russian Federation 22->62 64 149.28.253.196 AS-CHOOPAUS United States 22->64 36 C:\Users\...\pidHTSIGEi8DrAmaYu9K8ghN89.dll, PE32+ 22->36 dropped 38 C:\Users\user\AppData\Local\...\LzmwAqmV.exe, PE32 22->38 dropped 40 C:\Program Files (x86)\...\jg1_1faf.exe, PE32 22->40 dropped 44 2 other files (1 malicious) 22->44 dropped 104 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->104 106 Checks if the current machine is a virtual machine (disk enumeration) 22->106 24 mshta.exe 22->24         started        26 UCorlGjLgUIPJ_aJvTtPImCN.exe 22->26         started        file10 signatures11 process12
Detection:
raccoon
Create hunting rule
Link:
https://mwdb.cert.pl/sample/506c2f513d64242fcb20ccff8c26c0ed1755fe9120b984c29ba224b311d635c3/
Threat name:
Win32.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2021-10-21 17:34:56 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kbwc6uj5mqsc7szazt7yyjwa5ulvl7urec4yjqu3uislgeowgxbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:socelars family:vidar family:xloader botnet:8dec62c1db2959619dca43e02fa46ad7bd606400 botnet:933 botnet:937 botnet:youtube campaign:s0iw backdoor discovery evasion infostealer loader rat spyware stealer themida trojan
Link:
https://tria.ge/reports/211030-g93jfaeef7/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Nirsoft
Vidar Stealer
Xloader Payload
Modifies Windows Defender Real-time Protection settings
Process spawned unexpected child process
Raccoon
RedLine
RedLine Payload
SmokeLoader
Socelars
Socelars Payload
Suspicious use of NtCreateProcessExOtherParentProcess
Vidar
Xloader
Malware Config
C2 Extraction:
http://www.kyiejenner.com/s0iw/
91.206.14.151:16764
https://mas.to/@lilocc
185.215.113.49:29659
http://brandyjaggers.com/upload/
http://andbal.com/upload/
http://alotofquotes.com/upload/
http://szpnc.cn/upload/
http://uggeboots.com/upload/
http://100klv.com/upload/
http://rapmusic.at/upload/
Unpacked files
SH256 hash:
506c2f513d64242fcb20ccff8c26c0ed1755fe9120b984c29ba224b311d635c3
MD5 hash:
d1b2c8ddca2f8dd02e2c132153055084
SHA1 hash:
21c011ac7406eef048c175f5887e4eb885c050d6
Link:
https://www.unpac.me/results/948bfb26-4cba-4d48-b337-3be83371e347/
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/506c2f513d64242fcb20ccff8c26c0ed1755fe9120b984c29ba224b311d635c3

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_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_Raccoon
Create hunting rule
Author:ditekSHen
Description:Raccoon stealer payload
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_raccoon_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.raccoon.

File information

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

Comments