MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 638dabe5abd0593776c2644a7cf18d363fddfde3f93db92ab094dd2db9e6c69b. 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: 11
| SHA256 hash: | 638dabe5abd0593776c2644a7cf18d363fddfde3f93db92ab094dd2db9e6c69b |
|---|---|
| SHA3-384 hash: | 0779acf920d226235e56983a6725871717a23b4ae2f14df0d9ceb1088193610c82f86c7f099d9cb0734bb9a1ffaa4bd9 |
| SHA1 hash: | e2ae1d6c79db2c03591be4ccdd4a68e69d6c5fe4 |
| MD5 hash: | 02ee4f8f288d211b19482c4e1628b941 |
| humanhash: | quebec-paris-papa-summer |
| File name: | smbx.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 733'184 bytes |
| First seen: | 2021-04-06 05:41:52 UTC |
| Last seen: | 2021-04-06 07:09:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6584cb69d0f0e4464f09b52852646a65 (2 x CobaltStrike) |
| ssdeep | 12288:0GexW8kLJ6rFMywqdLtIOAK9vRa1P7oHcNsIm5W:0GexW8kUEqdLtIOAyvS7oHgsbW |
| Threatray | 260 similar samples on MalwareBazaar |
| TLSH | 7BF41622AB579427EA51F0F0F782B7F1B79459231B2E70DE5387187B04229B0FF26661 |
| Reporter | Anonymous |
| Tags: | CobaltStrike IcedID |
Intelligence
File Origin
# of uploads :
2
# of downloads :
688
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
smbx.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-06 05:43:15 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Sheljector
Status:
Malicious
First seen:
2021-04-04 05:38:39 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 250 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Cobaltstrike
Unpacked files
SH256 hash:
284718a007eaaca786ff0611181433071d45f603e121fc99226dfccff69bdbed
MD5 hash:
dc138d5f1678451478a963ed41ef6561
SHA1 hash:
f0dfbb10fac71edc106e5899db2d2e228a93a233
Detections:
win_cobalt_strike_auto
SH256 hash:
0ec106c6161e956405047aa5348318e4c4ed57d84dc28695d778209d505c0a7b
MD5 hash:
203ebdc2484432eb48d542a6bacf0a0d
SHA1 hash:
20aff641df102d44ed5198359b92a2ab4f9eb317
SH256 hash:
638dabe5abd0593776c2644a7cf18d363fddfde3f93db92ab094dd2db9e6c69b
MD5 hash:
02ee4f8f288d211b19482c4e1628b941
SHA1 hash:
e2ae1d6c79db2c03591be4ccdd4a68e69d6c5fe4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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: | CobaltStrikeBeacon |
|---|---|
| Author: | enzo |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | Trojan_Raw_Generic_4 |
|---|---|
| Author: | FireEye |
| Reference: | https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html |
| Rule name: | win_cobalt_strike_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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