MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a039f83da611796e021eba2404afbfc9552c1d669fb6e4bc44f073adb909881d. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a039f83da611796e021eba2404afbfc9552c1d669fb6e4bc44f073adb909881d
SHA3-384 hash: 68842318ab159ba7f88265705a4c1a72f240dc1104b3c29352b4e7a589bc97ea1fbaa0613ef521f3d9b78375e36753db
SHA1 hash: 916765c429106b5aa6fda2861d26925f0bfbe47c
MD5 hash: 6b51bf3b30ff5cd7f5d60ea8ec0c7cd7
humanhash: yankee-hotel-kitten-freddie
File name:6b51bf3b30ff5cd7f5d60ea8ec0c7cd7.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:2'254'656 bytes
First seen:2020-12-14 09:16:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:ijlhVKc7cbPs4ACRQtfQnNl3WcS+v6UxzSPvaE8NUTaefX9c1V9:ijlmrPACkfQ/sUxOaE0UTaeWV9
TLSH 3FA5DF363653944CC51807710828EDC5F776AE893A4A8F6EB0CFA30ECE8195FBB1659D
Reporter abuse_ch
Tags:BitRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6b51bf3b30ff5cd7f5d60ea8ec0c7cd7.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-14 09:19:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a6983106-f506-4a7a-8258-66f999d4871c

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/107910/
Detection(s):
SecuriteInfo.com.Generic.mg.6b51bf3b30ff5cd7.273.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/561990
Signature
Allocates memory in foreign processes
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Creates files in alternative data streams (ADS)
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected BitRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 330083 Sample: sDSRBJGFaW.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 53 ifemelumma.linkpc.net 2->53 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected BitRAT 2->65 67 Machine Learning detection for sample 2->67 69 2 other signatures 2->69 10 sDSRBJGFaW.exe 4 2->10         started        14 strapper.exe 2 2->14         started        16 strapper.exe 2 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\sDSRBJGFaW.exe.log, ASCII 10->51 dropped 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->81 18 cmd.exe 1 10->18         started        20 cmd.exe 2 10->20         started        23 mscorsvw.exe 14->23         started        27 mscorsvw.exe 16->27         started        signatures6 process7 dnsIp8 29 strapper.exe 4 18->29         started        32 conhost.exe 18->32         started        47 C:\Users\user\AppData\Local\strapper.exe, PE32 20->47 dropped 34 conhost.exe 20->34         started        59 ifemelumma.linkpc.net 23->59 79 Hides threads from debuggers 23->79 61 ifemelumma.linkpc.net 27->61 file9 signatures10 process11 signatures12 83 Multi AV Scanner detection for dropped file 29->83 85 Machine Learning detection for dropped file 29->85 87 Writes to foreign memory regions 29->87 89 3 other signatures 29->89 36 mscorsvw.exe 1 1 29->36         started        41 cmd.exe 1 29->41         started        process13 dnsIp14 55 ifemelumma.linkpc.net 81.106.72.253, 52585 NTLGB United Kingdom 36->55 57 192.168.2.1 unknown unknown 36->57 49 C:\Users\user\AppData\Local:14-12-2020, ASCII 36->49 dropped 71 Creates files in alternative data streams (ADS) 36->71 73 Contains functionality to inject code into remote processes 36->73 75 Hides threads from debuggers 36->75 77 Contains functionality to hide a thread from the debugger 36->77 43 conhost.exe 41->43         started        45 reg.exe 1 1 41->45         started        file15 signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a039f83da611796e021eba2404afbfc9552c1d669fb6e4bc44f073adb909881d/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2020-12-14 09:17:06 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ua47qpngcf4w4aq6xisajl57zfksyhlgt63ojpce6bz23oijraoq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence upx
Link:
https://tria.ge/reports/201214-qll4yqe1px/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
UPX packed file
Unpacked files
SH256 hash:
a039f83da611796e021eba2404afbfc9552c1d669fb6e4bc44f073adb909881d
MD5 hash:
6b51bf3b30ff5cd7f5d60ea8ec0c7cd7
SHA1 hash:
916765c429106b5aa6fda2861d26925f0bfbe47c
Link:
https://www.unpac.me/results/e7a91ef7-4b9a-432b-89b2-d110ed01b4da/
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
Link:
https://www.unpac.me/results/e7a91ef7-4b9a-432b-89b2-d110ed01b4da/
SH256 hash:
542282ed737d2cb55e3cb59d05e58e8dbf6473d63461194a9ba597f0f3eb5d75
MD5 hash:
0ab09caf48c9dcbcbd53aef80493abd2
SHA1 hash:
fd985c8ed98d443fde035be26592b92662b9c5ea
Link:
https://www.unpac.me/results/e7a91ef7-4b9a-432b-89b2-d110ed01b4da/
SH256 hash:
c6756e75825ddfb3131c629667d320108deb6d70bf683da35be2a65292ffa534
MD5 hash:
121b74b45f33365d16ab5a4ab2f4afc8
SHA1 hash:
7548b4e7409966439d762484c8d9b3254a8286b3
Link:
https://www.unpac.me/results/e7a91ef7-4b9a-432b-89b2-d110ed01b4da/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a039f83da611796e021eba2404afbfc9552c1d669fb6e4bc44f073adb909881d

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:MALWARE_Win_BitRAT
Create hunting rule
Author:ditekSHen
Description:Detects BitRAT RAT
Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

File information

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

Web download

BitRAT

Executable exe a039f83da611796e021eba2404afbfc9552c1d669fb6e4bc44f073adb909881d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/917541/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/107910/

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