MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e844577efbd9d78da8849997491807f1f9d3ae7d7f010363e2c25c6de2687eba. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: e844577efbd9d78da8849997491807f1f9d3ae7d7f010363e2c25c6de2687eba
SHA3-384 hash: 5f902ea6ff401009dd66b1169bd7fc31e346f28d980faaaf4626fc7ac0b38e3da8268e9737023cd6faf0b876592ef543
SHA1 hash: 783e48b94c8e76bb197487f02fe0c5980f0d8a00
MD5 hash: 1dc858e63cb36548a246d078ffdf99d3
humanhash: yellow-maryland-uniform-hotel
File name:e844577efbd9d78da8849997491807f1f9d3ae7d7f010363e2c25c6de2687eba
Download: download sample
Signature CobaltStrike
File size:975'832 bytes
First seen:2021-02-17 09:12:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 411bf2310dca31a8c9cbfa05316e984e (12 x CobaltStrike)
ssdeep 12288:VLx2KpmgXvsBBElYrUql5jWCn+fqQkwKFTfLLoXJugKYh:VLxQgXvs/EqrUqH9VHVVLoXJux4
Threatray 229 similar samples on MalwareBazaar
TLSH 5E256B117784D0BEC112697ACA56C7BC45BB7E605E31969333A03F2FBE346A26D38349
Reporter JAMESWT_WT
Tags:CobaltStrike OOO Optima signed

Code Signing Certificate

Organisation:OOO Optima
Issuer:Certum Extended Validation Code Signing CA SHA2
Algorithm:sha256WithRSAEncryption
Valid from:2020-11-23T15:01:48Z
Valid to:2021-11-23T15:01:48Z
Serial number: 038fc745523b41b40d653b83aa381b80
Intelligence: 12 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: 060d0635e5d5180e54bd7c5119e907806f70db49819f1b68e21c4e25e9dd33b6
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
500
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://writer.zohopublic.com/writer/published/dcywx381f5acf14f04b60a4711c6786702afc
Verdict:
No threats detected
Analysis date:
2021-02-15 13:44:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Changing a file
Sending a UDP request
DNS request
Sending a TCP request to an infection source
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
Score:
72 / 100
Signature
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Bazarloader
Status:
Malicious
First seen:
2021-02-15 16:01:36 UTC
File Type:
PE (Exe)
Extracted files:
75
AV detection:
27 of 48 (56.25%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor dave trojan
Behaviour
Suspicious use of SetWindowsHookEx
Dave packer
Cobaltstrike
Malware Config
C2 Extraction:
http://finderout.com:443/mobile-ipad-home.css
Unpacked files
SH256 hash:
994c73eb819d1d4e41d8726ff428493feea60f47a4f6fe335814c414d1843908
MD5 hash:
f78aefb23bf1a2175dcac47c184b70ad
SHA1 hash:
2a1c8d5956997d8371ec084932a8cf85e0225a23
SH256 hash:
869d293e2f0b318621e89cb876610f8c7b6a1d9ba157aec87e6b38d01edd2ad8
MD5 hash:
27bf35f28c23e3f1c0af32d7ed8bfcaf
SHA1 hash:
3fb5dcb865ec29033496d395fa1bee96cbb11485
SH256 hash:
e844577efbd9d78da8849997491807f1f9d3ae7d7f010363e2c25c6de2687eba
MD5 hash:
1dc858e63cb36548a246d078ffdf99d3
SHA1 hash:
783e48b94c8e76bb197487f02fe0c5980f0d8a00
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:Cobalt_functions
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:IceID_Bank_trojan
Author:unixfreaxjp
Description:Detects IcedID..adjusted several times
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:MALWARE_Win_Emotet
Author:ditekSHen
Description:Detects Emotet variants

File information


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

Comments