MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef6544f318b62ad4c219ca2ebe185772c69c3991bdb82e5a508adcebf12675cb. 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
CobaltStrike
Vendor detections: 9
| SHA256 hash: | ef6544f318b62ad4c219ca2ebe185772c69c3991bdb82e5a508adcebf12675cb |
|---|---|
| SHA3-384 hash: | b27fe826f3d050674b10e9c0b4a0b8c1bb4f1f024fc072a0a0f3e46f9cd3517945fcbc03fc7eab73d6830671ed3e41d4 |
| SHA1 hash: | 1de2eba7e87da57fe5e1c9c4e042c13018d6aa2b |
| MD5 hash: | 03bd9d1615e155c57f9a0dedad00df20 |
| humanhash: | july-romeo-march-mars |
| File name: | Invoice_Due-IN-8663362718_20210823.xlsb |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 175'950 bytes |
| First seen: | 2021-08-25 14:41:30 UTC |
| Last seen: | Never |
| File type: |  xlsx |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 3072:oUcIhO3Sfwua25bk2wFaBRXAC/kfpdcvz+OVQaw4+rJDEU/H7DcYtEeG/X:oghmS9RdkRaXl/kxdcvzQFHr5/bDc8G |
| TLSH | T15A04F17B5A21E49CE63C0CBE76FB1AF003043E75CC12BED8056A7594265B6F789882F4 |
| Reporter |  abuse_ch |
| Tags: | 1359593325 CobaltStrike xlsb xlsx |
abuse_ch
CobaltStrike payload URL:https://files.slack.com/files-pri/T02C6BX9Y3X-F02CAGZLWV8/download/blm.png?pub_secret=5a3c67327d
CobaltStrike C2:
http://37.120.206.118:80/push
Intelligence
File Origin
# of uploads :
1
# of downloads :
578
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_Due-IN-8663362718_20210823.xlsb
Verdict:
Malicious activity
Analysis date:
2021-08-25 14:42:57 UTC
Tags:
macros40 trojan cobaltstrike
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Sending a custom TCP request
Sending a UDP request
Creating a process with a hidden window
Launching a process
DNS request
Connection attempt
Creating a process from a recently created file
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Document image
Image:
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to create processes via WMI
Contains functionality to detect sleep reduction / modifications
Creates processes via WMI
Detected unpacking (changes PE section rights)
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Microsoft Office creates scripting files
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect virtualization through RDTSC time measurements
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Document-Word.Trojan.IcedID
Status:
Malicious
First seen:
2021-08-25 14:42:09 UTC
AV detection:
5 of 46 (10.87%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:1359593325 backdoor macro trojan xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Cobaltstrike
Process spawned unexpected child process
Malware Config
C2 Extraction:
http://37.120.206.118:80/push
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
exe Delivery method
Distributed via e-mail attachment
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