MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 278fbae6952f9d802509d29d6033e824a92e467a22adc87d0a8231d6e6175fc5. 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


Maldoc score: 7


Intelligence 7 IOCs 1 YARA 8 File information Comments

SHA256 hash: 278fbae6952f9d802509d29d6033e824a92e467a22adc87d0a8231d6e6175fc5
SHA3-384 hash: b154f45c36bea65d675bf12961a2ef5d08ada15b04c9f0d84d336daa2a6547fdf6200459c6a8e1e506e148d94632ba30
SHA1 hash: c062f8e3cd8aae991cd9180e15ac6e9161a6e216
MD5 hash: 78db30c8f2ec93f0ba9e76ef63b14501
humanhash: georgia-yankee-maine-alpha
File name:EFT Credits.xls
Download: download sample
Signature BitRAT
File size:41'472 bytes
First seen:2021-06-22 04:36:08 UTC
Last seen:2021-06-22 05:35:34 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:ogmk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJEJTZi9dLQNs+xP63s1qLhn/kOmZbi:olk3hOdsylKlgxopeiBNhZFGzE+cL2kS
TLSH DB1373A3B392E90AD95507754CE2C6E63326FC515F53934B3389FB1E1FB16808E12686
Reporter abuse_ch
Tags:BitRAT RAT xls


Avatar
abuse_ch
BitRAT C2:
194.5.98.189:672

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
194.5.98.189:672 https://threatfox.abuse.ch/ioc/139731/

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 7
Application name is Microsoft Excel
Office document is in OLE format
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 17 sections in this file using oledump:

Section IDSection sizeSection name
1108 bytesCompObj
2244 bytesDocumentSummaryInformation
3220 bytesSummaryInformation
422072 bytesWorkbook
5459 bytes_VBA_PROJECT_CUR/PROJECT
674 bytes_VBA_PROJECT_CUR/PROJECTwm
71371 bytes_VBA_PROJECT_CUR/VBA/LOL
8991 bytes_VBA_PROJECT_CUR/VBA/Sheet1
92818 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
102882 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
111836 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
12268 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
13852 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
14230 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
15173 bytes_VBA_PROJECT_CUR/VBA/__SRP_4
16198 bytes_VBA_PROJECT_CUR/VBA/__SRP_5
17558 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecWorkbook_ActivateRuns when the Excel Workbook is opened
SuspiciousShellExecuteMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EFT Credits.xls
Verdict:
Malicious activity
Analysis date:
2021-06-22 04:37:57 UTC
Tags:
macros macros-on-open maldoc-20

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
Shell.Application
WorkBook
Result
Verdict:
UNKNOWN
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
BitRAT Xmrig
Detection:
malicious
Classification:
troj.expl.evad.mine
Score:
100 / 100
Signature
Document contains an embedded macro with GUI obfuscation
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (process start blacklist hit)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Powershell drops PE file
Sigma detected: CrackMapExec PowerShell Obfuscation
Sigma detected: Microsoft Office Product Spawning Windows Shell
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Yara detected BitRAT
Yara detected Powershell download and execute
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro macro_on_action upx
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
UPX packed file
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_ZLoader_xls_20210125
Author:abuse.ch
Description:Detects ZLoader XLS
Rule name:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


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

Comments