MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de0cb500125d733becbdeb53cf7b3f1bace4dc91e54805007718970124ef6797. 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: 15


Intelligence 15 IOCs 1 YARA 6 File information Comments

SHA256 hash: de0cb500125d733becbdeb53cf7b3f1bace4dc91e54805007718970124ef6797
SHA3-384 hash: 068561ff607a51aa96a0c0f0f53281bc2a8bf26df977687ba17dc7d500b283009aa04b72003543f7f864fc162c6fa9e4
SHA1 hash: 21439179cb8700406d57332079ab311d08b0c9bf
MD5 hash: 133c10454108aa86301f79a03aa24046
humanhash: hydrogen-lima-pasta-seven
File name:133c10454108aa86301f79a03aa24046.exe
Download: download sample
Signature BitRAT
File size:666'024 bytes
First seen:2021-09-28 05:21:30 UTC
Last seen:2021-09-28 06:05:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 835f485ca718411734d873f35af1695e (4 x BitRAT, 2 x Matiex, 2 x QuasarRAT)
ssdeep 6144:Xsh7P4K387yYg9ihPBJ1G08ozfjqXXTewGJX/MHeKPwE+8sS6rU8jcxJ8:8h7l38OKJBWkzfwS/M+KGtLHX
Threatray 2'825 similar samples on MalwareBazaar
TLSH T1C2E43A23AAD42004D17B04B1ACF2D9364B35FC1645064D1BB954F84E29B7A87BAB7F2F
File icon (PE):PE icon
dhash icon edcdcd95d5d9e975 (13 x BitRAT, 2 x AsyncRAT)
Reporter @abuse_ch
Tags:BitRAT exe RAT


Twitter
@abuse_ch
BitRAT C2:
185.157.160.136:1975

Intelligence


File Origin
# of uploads :
2
# of downloads :
87
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
ID:
1
File name:
133c10454108aa86301f79a03aa24046.exe
Verdict:
Malicious activity
Analysis date:
2021-09-28 05:22:46 UTC
Tags:
installer trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
AsyncRAT BitRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Creates files in alternative data streams (ADS)
Creates multiple autostart registry keys
Hides threads from debuggers
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected BitRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491916 Sample: 9JbJZPtaKF.exe Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 74 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected BitRAT 2->78 80 8 other signatures 2->80 10 9JbJZPtaKF.exe 1 2 2->10         started        14 ct.exe 2->14         started        16 bg.exe 2->16         started        18 2 other processes 2->18 process3 file4 62 C:\Users\user\AppData\Roaming\cf\ct.exe, PE32 10->62 dropped 90 Creates multiple autostart registry keys 10->90 92 Writes to foreign memory regions 10->92 94 Allocates memory in foreign processes 10->94 20 RegAsm.exe 1 4 10->20         started        24 RegAsm.exe 10->24         started        96 Multi AV Scanner detection for dropped file 14->96 98 Machine Learning detection for dropped file 14->98 100 Sample uses process hollowing technique 14->100 26 RegAsm.exe 3 14->26         started        102 Injects a PE file into a foreign processes 16->102 28 RegAsm.exe 16->28         started        37 2 other processes 16->37 31 RegAsm.exe 18->31         started        33 RegAsm.exe 2 18->33         started        35 RegAsm.exe 18->35         started        39 3 other processes 18->39 signatures5 process6 dnsIp7 64 185.157.160.136, 1973, 1975, 49749 OBE-EUROPEObenetworkEuropeSE Sweden 20->64 60 C:\Users\user\AppData\Local\Temp\mmybgd.exe, PE32 20->60 dropped 41 cmd.exe 1 20->41         started        104 Hides threads from debuggers 31->104 file8 signatures9 process10 signatures11 86 Suspicious powershell command line found 41->86 88 Bypasses PowerShell execution policy 41->88 44 powershell.exe 14 41->44         started        46 conhost.exe 41->46         started        process12 process13 48 mmybgd.exe 1 2 44->48         started        file14 56 C:\Users\user\AppData\Roaming\bp\bg.exe, PE32 48->56 dropped 66 Machine Learning detection for dropped file 48->66 68 Creates multiple autostart registry keys 48->68 70 Writes to foreign memory regions 48->70 72 3 other signatures 48->72 52 RegAsm.exe 3 48->52         started        signatures15 process16 file17 58 C:\Users\user\AppData\Local:28-09-2021, ASCII 52->58 dropped 82 Creates files in alternative data streams (ADS) 52->82 84 Hides threads from debuggers 52->84 signatures18
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-09-28 05:22:22 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Result
Malware family:
xenarmor
Score:
  10/10
Tags:
family:asyncrat family:bitrat family:xenarmor botnet:18 password persistence rat recovery spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads local data of messenger clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Async RAT payload
AsyncRat
BitRAT
BitRAT Payload
XenArmor Suite
Malware Config
C2 Extraction:
185.157.160.136:1973
Unpacked files
SH256 hash:
bf68bd0b479982e9378bceccf23bb235f347764029bb1647bba2508bb83b1b25
MD5 hash:
b66b8422d9ffbca350a391d3b61ea320
SHA1 hash:
fc8e1391cfd3c9f4f053c9860285111a8a7e4d64
Detections:
win_asyncrat_w0
SH256 hash:
de0cb500125d733becbdeb53cf7b3f1bace4dc91e54805007718970124ef6797
MD5 hash:
133c10454108aa86301f79a03aa24046
SHA1 hash:
21439179cb8700406d57332079ab311d08b0c9bf
Malware family:
AsyncRAT
Verdict:
Malicious

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.157.160.136:1975 https://threatfox.abuse.ch/ioc/227024

File information


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

Web download

BitRAT

Executable exe de0cb500125d733becbdeb53cf7b3f1bace4dc91e54805007718970124ef6797

(this sample)

  
Delivery method
Distributed via web download

Comments