MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795. 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: 12


Intelligence 12 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795
SHA3-384 hash: d01f8b096e96f3209435ea9ff17bbc904232a2bde9ae2f0c8ecc5be913cb22f674ca09477f0ad9de968a9bd7a0dacb8f
SHA1 hash: 6b55082a82fe13e0e8bc6ffb83405e455587ae20
MD5 hash: 81c653f95eac1e6ac64391d1b0f7a728
humanhash: hawaii-nebraska-kilo-sad
File name:eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:5'913'600 bytes
First seen:2023-06-21 06:03:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4e53160a12270531910b87162a608761 (2 x CobaltStrike)
ssdeep 49152:BGhU73Lz+yrb/T/vO90dL3BmAFd4A64nsfJfK96fwC/Qm4xENCpJd8w1/jR1g1uE:BD3SKbG018V1uToG5JY
Threatray 35 similar samples on MalwareBazaar
TLSH T1E9565B43B963856AF64ED675C465A2B169347C881F71A3D3EB20F3762E31AC44E78B30
gimphash 8b44b3a39b21a9bd8e2f2508b8cd5f579cccf76fe4cd473dbff93a01e55acaaa
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 308a8a88888a8a30 (1 x CobaltStrike)
Reporter obfusor
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
364
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
cobaltstrike
Create hunting rule
ID:
1
File name:
eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795.exe
Verdict:
Malicious activity
Analysis date:
2023-06-21 06:05:16 UTC
Tags:
cobaltstrike
Link:
https://app.any.run/tasks/a0d2954f-71e7-4474-9996-b2befab6518e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/401221/
Result
Verdict:
Malware
Maliciousness:
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
anti-debug golang greyware
Link:
https://www.filescan.io/uploads/6492929799f0c0cb093323aa/reports/a859db7f-3913-4ff5-bf4c-5174dc7d1694/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/90fba451-1473-49a5-9e02-c407850aebd8
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1258783
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
cobaltstrike
Create hunting rule
Link:
https://mwdb.cert.pl/sample/eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5k5y4frpjqymcfl3bjdvrssqo3yyz5hddv2xcaqggxpn3dkry6kq._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
027c7ef57968b71e87125f6c6a56308ab39ae86c2b4c3abe91bc1033acf7ad4f
CobaltStrike
09094ed7deb2b722d47c888b47bc8d71b33355e5052b6e42621e4e98642e7ea9
CobaltStrike
1a71685e9d69c3e7619c5f20dbc3bbd693efb1db2370f5127d7f5c81df2baf3b
CobaltStrike
5a6fe08d24beda29fe88d05e659c012e97ebf7ca9df4418582554b4d4a04e418
CobaltStrike
8c5d48dfdb6c4ccaf83632883409198faa0dde2d71b3325bb79128b66a8d82e3
CobaltStrike
d47f062cb7cf40ed6fefc8bb54ace2c597bf15095703974eb5567c73c10ad655
CobaltStrike
dcc481b5bdd6f0d48d0e8d36d50404628f905b7ccb15ad844658669747c02bfa
CobaltStrike
+ 25 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:391144938 backdoor trojan
Link:
https://tria.ge/reports/230621-gr1xwsfg53/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://139.9.243.130:443/sugrec
Unpacked files
SH256 hash:
eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795
MD5 hash:
81c653f95eac1e6ac64391d1b0f7a728
SHA1 hash:
6b55082a82fe13e0e8bc6ffb83405e455587ae20
Link:
https://www.unpac.me/results/e811336d-34e9-4bcf-a156-d6205a4e91e2/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eabb8e162f4c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/eabb8e162f4c30c1157b0a4758ca5076f18cf4e31d7571020635dedd8d51c795

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:CobaltStrikeBeacon
Create hunting rule
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_MZ_Launcher
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_Sleep_Decoder_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/BeaconLoader.VA.x64.o (VirtualAlloc) Versions 4.3 through at least 4.6
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:CobaltStrike__Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
Create hunting rule
Author:Elastic
Description:Identifies deobfuscation routine used in Cobalt Strike Beacon DLL version 4.2
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_CobaltStrike_Beacon_Strings
Create hunting rule
Author:Elastic
Description:Identifies strings used in Cobalt Strike Beacon DLL
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_CobaltStrike_SleepMask_Jul22
Create hunting rule
Author:CodeX
Description:Detects static bytes in Cobalt Strike 4.5 sleep mask function that are not obfuscated
Reference:https://codex-7.gitbook.io/codexs-terminal-window/blue-team/detecting-cobalt-strike/sleep-mask-kit-iocs
Rule name:HKTL_Meterpreter_inMemory
Create hunting rule
Author:netbiosX, Florian Roth
Description:Detects Meterpreter in-memory
Reference:https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/
Rule name:HKTL_Win_CobaltStrike
Create hunting rule
Author:threatintel@volexity.com
Description:The CobaltStrike malware family.
Reference:https://www.volexity.com/blog/2021/05/27/suspected-apt29-operation-launches-election-fraud-themed-phishing-campaigns/
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_ReflectiveLoader
Create hunting rule
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:MALW_cobaltrike
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Rule to detect CobaltStrike beacon
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.cobalt_strike
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:ReflectiveLoader
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:Windows_Trojan_CobaltStrike_1787eef5
Create hunting rule
Author:Elastic Security
Description:CS shellcode variants
Rule name:Windows_Trojan_CobaltStrike_663fc95d
Create hunting rule
Author:Elastic Security
Description:Identifies CobaltStrike via unidentified function code
Rule name:Windows_Trojan_CobaltStrike_b54b94ac
Create hunting rule
Description:Rule for beacon sleep obfuscation routine
Rule name:Windows_Trojan_CobaltStrike_ee756db7
Create hunting rule
Author:Elastic Security
Description:Attempts to detect Cobalt Strike based on strings found in BEACON
Rule name:Windows_Trojan_CobaltStrike_f0b627fc
Create hunting rule
Description:Rule for beacon reflective loader
Rule name:win_cobalt_strike_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.

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/401221/

Comments