MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4474c2ccab521311c533fb7c3088da9be624fc16474c2765eec2f4941a2e8557. 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


Dridex


Vendor detections: 8


Maldoc score: 12


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4474c2ccab521311c533fb7c3088da9be624fc16474c2765eec2f4941a2e8557
SHA3-384 hash: 2bbe0c1ca9ea49d831be7335cab95045ff0d3e40ad098c62de48591488347e0cb3fbaab9bb2ca0f62cdc89c3b87574c2
SHA1 hash: 6c405449ae51f79ce488f1afa6aa7ae41f3d0a2a
MD5 hash: da2e3bbe61a0b14bbf62d7e9745206da
humanhash: sierra-mexico-idaho-oxygen
File name:Statement_as_of_01_FEB-2021.xlsm
Download: download sample
Signature Dridex
Create hunting rule
File size:87'810 bytes
First seen:2021-02-01 13:55:36 UTC
Last seen:2021-02-19 19:37:33 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:ngxxGLD4PQrjaE7RZq95Za++atZvbc8CX3jvBrSr4yxnAu+Ldi2mCq/ghz:gxxGEQrjaC7q5a++atZDc8C3jRSziuBu
TLSH DE83123DCA1B5A68C7A25039D56C48F0F9234BE02F17748976EFF83D2D210EB8296D16
Reporter DFNCERT
Tags:Dridex

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: 12
OLE dump

MalwareBazaar was able to identify 13 sections in this file using oledump:

Section IDSection sizeSection name
A1520 bytesPROJECT
A2104 bytesPROJECTwm
A36195 bytesVBA/Sheet1
A4991 bytesVBA/Sheet2
A5991 bytesVBA/Sheet3
A6999 bytesVBA/ThisWorkbook
A73270 bytesVBA/_VBA_PROJECT
A82176 bytesVBA/__SRP_0
A9423 bytesVBA/__SRP_1
A10780 bytesVBA/__SRP_2
A111045 bytesVBA/__SRP_3
A12552 bytesVBA/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
SuspiciousRunMay run an executable file or a system command
SuspiciousLibMay run code from a DLL
SuspiciousURLDownloadToFileAMay download files from the Internet
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousXLM macrosheetXLM macrosheet found. It could contain malicious code

Intelligence

File Origin
# of uploads :
56
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Statement_as_of_01_FEB-2021.xlsm
Verdict:
Malicious activity
Analysis date:
2021-02-01 13:27:56 UTC
Tags:
macros macros40
Link:
https://app.any.run/tasks/4b3013d1-2a76-4030-b791-5379d2e90866

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.ms-excel.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Link:
https://app.docguard.net/4474c2ccab521311c533fb7c3088da9be624fc16474c2765eec2f4941a2e8557/results/dashboard
Document image
Image:
Download PNG
Document image
Result
Verdict:
SUSPICIOUS
Details
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Macro with DLL Reference
Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).
Result
Threat name:
Dridex
Create hunting rule
Detection:
malicious
Classification:
bank.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/595359
Signature
Detected Dridex e-Banking trojan
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Machine Learning detection for dropped file
Office process drops PE file
Sigma detected: BlueMashroom DLL Load
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Regsvr32 Anomaly
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 346716 Sample: Statement_as_of_01_FEB-2021.xlsm Startdate: 01/02/2021 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Document exploit detected (drops PE files) 2->48 50 Sigma detected: BlueMashroom DLL Load 2->50 52 6 other signatures 2->52 7 EXCEL.EXE 87 51 2->7         started        process3 dnsIp4 38 tdco.in 43.225.55.204, 443, 49169 PUBLIC-DOMAIN-REGISTRYUS United Arab Emirates 7->38 40 whiterocklodge.co.za 154.0.171.186, 443, 49167 AfrihostZA South Africa 7->40 22 C:\Users\user\AppData\Local\...\zgygyfze.dll, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\grejfwlt.dll, PE32 7->24 dropped 26 C:\Users\user\AppData\Local\...\z3r5hq[1].rar, PE32 7->26 dropped 28 2 other malicious files 7->28 dropped 54 Document exploit detected (creates forbidden files) 7->54 56 Document exploit detected (process start blacklist hit) 7->56 12 regsvr32.exe 7->12         started        14 regsvr32.exe 7->14         started        file5 signatures6 process7 process8 16 regsvr32.exe 9 12->16         started        20 regsvr32.exe 9 14->20         started        dnsIp9 30 192.99.41.136, 49175, 49176, 49183 OVHFR Canada 16->30 32 5.196.204.251, 49173, 49174, 49181 OVHFR France 16->32 34 24.229.3.146, 4664, 49177, 49178 AS-PTDUS United States 16->34 42 Detected Dridex e-Banking trojan 16->42 36 77.220.64.131, 443, 49171, 49172 INTERNETONEInternetServicesProviderIT Italy 20->36 44 System process connects to network (likely due to code injection or exploit) 20->44 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4474c2ccab521311c533fb7c3088da9be624fc16474c2765eec2f4941a2e8557/
Threat name:
Document-Office.Infostealer.Dridex
Create hunting rule
Status:
Malicious
First seen:
2021-02-01 13:56:08 UTC
File Type:
Document
Extracted files:
42
AV detection:
8 of 28 (28.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ir2mftflkijrdrjt7n6dbcg2tptcj7awi5gcozpoyl2jigroqvlq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/210201-6zexrfheae/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
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/4474c2ccab521311c533fb7c3088da9be624fc16474c2765eec2f4941a2e8557

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_Dridex_xlsm_20200528_2
Create hunting rule
Author:abuse.ch
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Microsoft_XLSX_with_Macrosheet
Create hunting rule
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
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.

Malspam

Dridex

Excel file xlsm 4474c2ccab521311c533fb7c3088da9be624fc16474c2765eec2f4941a2e8557

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments