MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5add188d307788b3a20ca00b39425d0c5a622326422a357c931eed78acc893e8. 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


RemcosRAT


Vendor detections: 13


Maldoc score: 8


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5add188d307788b3a20ca00b39425d0c5a622326422a357c931eed78acc893e8
SHA3-384 hash: d1bdffbc7c12053637dc53cad0e7e4d3847acabb3e7fcb9c9059d9b430546090c7eb1cb646eb94b2ac8aea4b80188af5
SHA1 hash: 63be12e4bc1ff386cd5a0888f1538c45f0948db6
MD5 hash: 92d7dda54a7553e7419c37c781e21ea6
humanhash: jupiter-dakota-burger-april
File name:fisglobal eft payment.xls
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:33'792 bytes
First seen:2022-04-13 07:09:54 UTC
Last seen:2022-04-13 08:00:49 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:Nggk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJyfzCPqV4EtfumZ7C:N7k3hOdsylKlgxopeiBNhZFGzE+cL2k2
TLSH T1EDE24EA2B786D90AD94907764CE7C6E63326FC519FA3834B3389F71E1F71A808D02657
Reporter abuse_ch
Tags:RemcosRAT xls

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: 8
OLE dump

MalwareBazaar was able to identify 15 sections in this file using oledump:

Section IDSection sizeSection name
1108 bytesCompObj
2244 bytesDocumentSummaryInformation
3220 bytesSummaryInformation
417189 bytesWorkbook
5467 bytes_VBA_PROJECT_CUR/PROJECT
680 bytes_VBA_PROJECT_CUR/PROJECTwm
7991 bytes_VBA_PROJECT_CUR/VBA/Sheet1
81615 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
91692 bytes_VBA_PROJECT_CUR/VBA/UxJqD
102743 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
111584 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
12151 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
13214 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
14220 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
15562 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
SuspiciousGetObjectMay get an OLE object with a running instance
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousExecMay run an executable file or a system
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 :
310
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fisglobal eft payment.xls
Verdict:
Malicious activity
Analysis date:
2022-04-13 08:12:43 UTC
Tags:
macros maldoc-20
Link:
https://app.any.run/tasks/268b1082-424f-4546-bb8e-4734aaed13a9

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
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263321/
Detection(s):
TwinWave.GetObjectStringManipulationDontMessAroundWithJim.20200804.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RemcosBite.M2.20220408.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.OdysseyAndBattle.20210707.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.TakeMeHomeTonight.20210923.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.OutRunThis.20220121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/5add188d307788b3a20ca00b39425d0c5a622326422a357c931eed78acc893e8/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros
Link:
https://www.filescan.io/uploads/6256775bffe27d5119bedea7/reports/59134b71-056c-493a-90a8-0af564532c99/overview
Label:
Malicious
Suspicious Score:
5.1/10
Score Malicious:
52%
Score Benign:
48%
Link:
https://www.malware.ai/gui/files/?id=9011925a-3472-4a33-8130-ad118efc10b0
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/5add188d307788b3a20ca00b39425d0c5a622326422a357c931eed78acc893e8
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976050
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
DLL side loading technique detected
Document contains an embedded VBA macro which may execute processes
Document exploit detected (process start blacklist hit)
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious PowerShell Cmdline
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious powershell command line found
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 608546 Sample: fisglobal eft payment.xls Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 45 hawman.cc.dvrlists.com 2->45 47 google.com 2->47 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 13 other signatures 2->61 10 EXCEL.EXE 53 13 2->10         started        14 iexplore.exe 1 33 2->14         started        16 wscript.exe 2->16         started        signatures3 process4 file5 41 C:\Users\user\...\fisglobal eft payment.xls, Composite 10->41 dropped 77 Suspicious powershell command line found 10->77 18 powershell.exe 12 7 10->18         started        23 iexplore.exe 14 14->23         started        signatures6 process7 dnsIp8 49 gotovacoil.com 72.48.234.249, 49171, 49172, 49173 GRANDECOM-AS1US United States 18->49 39 C:\Users\user\AppData\Local\Temp\client.vbs, ASCII 18->39 dropped 63 Powershell drops PE file 18->63 25 wscript.exe 1 18->25         started        file9 signatures10 process11 signatures12 73 Wscript starts Powershell (via cmd or directly) 25->73 75 Very long command line found 25->75 28 powershell.exe 9 25->28         started        33 powershell.exe 7 25->33         started        process13 dnsIp14 53 gotovacoil.com 28->53 43 C:\Users\user\AppData\...\AgileDotNetRT64.dll, PE32+ 28->43 dropped 79 Writes to foreign memory regions 28->79 81 DLL side loading technique detected 28->81 83 Injects a PE file into a foreign processes 28->83 35 RegAsm.exe 2 28->35         started        85 Drops VBS files to the startup folder 33->85 file15 signatures16 process17 dnsIp18 51 hawman.cc.dvrlists.com 199.195.253.181, 162, 49175, 49176 PONYNETUS United States 35->51 65 Contains functionality to steal Chrome passwords or cookies 35->65 67 Contains functionality to inject code into remote processes 35->67 69 Contains functionality to register a low level keyboard hook 35->69 71 Contains functionality to steal Firefox passwords or cookies 35->71 signatures19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5add188d307788b3a20ca00b39425d0c5a622326422a357c931eed78acc893e8/
Threat name:
Document-Office.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2022-04-12 19:15:10 UTC
File Type:
Document
Extracted files:
19
AV detection:
16 of 41 (39.02%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=llorrdjqo6elhiqmuaftsqs5brngeizgiivdk7etd3wxrlgispua._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:2022 money rat
Link:
https://tria.ge/reports/220413-kz3m8sagcl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
.NET Reactor proctector
Process spawned unexpected child process
Remcos
Malware Config
C2 Extraction:
hawman.cc.dvrlists.com:162
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/5add188d307788b3a20ca00b39425d0c5a622326422a357c931eed78acc893e8

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/263321/

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