MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59a818fb1f5c0edafb3c7b99fc43b652ae310ff25f22d4e35947207a28c4a3a8. 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


BitRAT


Vendor detections: 12


Intelligence 12 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59a818fb1f5c0edafb3c7b99fc43b652ae310ff25f22d4e35947207a28c4a3a8
SHA3-384 hash: ec6ad802e70691dcf5ba17e6eed602840fc7021067bb18d4d252927a62b72afcb2a034a1a12243e1471330578a3481ca
SHA1 hash: ae992e0cb70d083bb3f8bd57b1fd9f8ddd725b4d
MD5 hash: 4137d7f09768b8cac13de8936e4c6e09
humanhash: maryland-low-cola-oklahoma
File name:4137d7f09768b8cac13de8936e4c6e09.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:36'864 bytes
First seen:2022-06-02 15:16:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:BySPeCq1Kw9wbdI3xhHgr5Tcp2Zmc7g+ysoGCFUqYWsYIeex2A0eAu/1+Z+C:BhGz1fi54pqoNU/5YIpX0eX/IU
Threatray 710 similar samples on MalwareBazaar
TLSH T1C8F206DEA687062BDECB377167628678FB394E68BC11DA0E9794330E89363C50D3190D
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4b2e86971054dcc (1 x BitRAT)
Reporter abuse_ch
Tags:BitRAT exe RAT


Avatar
abuse_ch
BitRAT C2:
181.141.0.128:1880

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
181.141.0.128:1880 https://threatfox.abuse.ch/ioc/647560/

Intelligence

File Origin
# of uploads :
1
# of downloads :
435
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
bitrat
Create hunting rule
ID:
1
File name:
4137d7f09768b8cac13de8936e4c6e09.exe
Verdict:
Malicious activity
Analysis date:
2022-06-02 15:30:41 UTC
Tags:
trojan bitrat rat
Link:
https://app.any.run/tasks/9e1d7606-cdea-4a4a-a82b-76842d33f04a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/276351/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Setting a global event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6298d46f961acffe544056a4/reports/e1df48af-8be9-439b-9a37-3e337681919c/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/9d719196-3dcb-42bb-ba82-4a2b07948626
Result
Threat name:
BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005825
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected BitRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 638319 Sample: YizWn5iJa7.exe Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 41 sfbvwvwsev.duckdns.org 2->41 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 4 other signatures 2->55 8 YizWn5iJa7.exe 16 7 2->8         started        13 Vvtxfcykr.exe 14 2 2->13         started        15 Vvtxfcykr.exe 3 2->15         started        signatures3 process4 dnsIp5 43 cdn.discordapp.com 162.159.130.233, 443, 49759, 49798 CLOUDFLARENETUS United States 8->43 33 C:\Users\user\AppData\...\Vvtxfcykr.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\...\YizWn5iJa7.exe.log, ASCII 8->35 dropped 57 Writes to foreign memory regions 8->57 59 Allocates memory in foreign processes 8->59 61 Injects a PE file into a foreign processes 8->61 17 InstallUtil.exe 1 8->17         started        21 cmd.exe 1 8->21         started        45 162.159.135.233, 443, 49796 CLOUDFLARENETUS United States 13->45 63 Multi AV Scanner detection for dropped file 13->63 23 cmd.exe 1 15->23         started        file6 signatures7 process8 dnsIp9 37 sfbvwvwsev.duckdns.org 181.141.0.128, 1880, 49797, 49802 EPMTelecomunicacionesSAESPCO Colombia 17->37 39 192.168.2.1 unknown unknown 17->39 47 Hides threads from debuggers 17->47 25 conhost.exe 21->25         started        27 timeout.exe 1 21->27         started        29 conhost.exe 23->29         started        31 timeout.exe 1 23->31         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/59a818fb1f5c0edafb3c7b99fc43b652ae310ff25f22d4e35947207a28c4a3a8/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-05-31 21:02:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lgubr6y7lqhnv6z4pom7yq5wkkxdcd7sl4rnjy2zi4qhukgeuoua._file
Verdict:
malicious
Similar samples:
51af4d4e1af93fd32fd240a7ec9df52e2af9f7d7567c7f7dff776ce0b4852323
BitRAT
704e26dbdebc8b3ad1391f5b9d671f8b9550609455821540151ff70e17bed798
BitRAT
84857d64b73f66ef619d84c81c1fd789e3f6717e6e0aaa1bda45e1dd2d34c14f
BitRAT
888497ac8f3cb030dc34d198ef8e307fab6b129f31f4fc9c41ea78f94d831529
BitRAT
ad29674b1a2bcc3ff4ef5746d9317740ab72b016ee3b89ac9aa9871bcb378b6b
BitRAT
cda31da68a99454a628cfe74166a851d1de0af7088ab531bf03ebf684d46e0c8
BitRAT
d9f858f28cab427ea59133d06469903d937cd10334a0fdd5f77fe529e3d0ece1
BitRAT
+ 700 additional samples on MalwareBazaar
Result
Malware family:
bitrat
Create hunting rule
Score:
  10/10
Tags:
family:bitrat persistence suricata trojan upx
Link:
https://tria.ge/reports/220602-sn1y9sgfg7/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
UPX packed file
BitRAT
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
Malware Config
C2 Extraction:
sfbvwvwsev.duckdns.org:1880
Unpacked files
SH256 hash:
59a818fb1f5c0edafb3c7b99fc43b652ae310ff25f22d4e35947207a28c4a3a8
MD5 hash:
4137d7f09768b8cac13de8936e4c6e09
SHA1 hash:
ae992e0cb70d083bb3f8bd57b1fd9f8ddd725b4d
Link:
https://www.unpac.me/results/eb88c241-18c8-4f73-8b56-66ee6e16d1f2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/59a818fb1f5c/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/59a818fb1f5c0edafb3c7b99fc43b652ae310ff25f22d4e35947207a28c4a3a8

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_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

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/276351/

Comments