MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5351984d7eaf9464f27c202f94b6475ffb73904191c973d7c737a0f3cdfbde0e. 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
| SHA256 hash: | 5351984d7eaf9464f27c202f94b6475ffb73904191c973d7c737a0f3cdfbde0e |
|---|---|
| SHA3-384 hash: | d5676245567fb579045cbaa874ec561be4969dd7871d687869cb74b929e40c93a6311dac0e7779799aa09ddcbd066fec |
| SHA1 hash: | 06e5cc7d3cd971414aabfebf9c62d39c7648bd09 |
| MD5 hash: | f9584ab5695b1588769421897ff5b356 |
| humanhash: | winner-robin-orange-finch |
| File name: | 5351984d7eaf9464f27c202f94b6475ffb73904191c973d7c737a0f3cdfbde0e |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 663'592 bytes |
| First seen: | 2021-01-30 07:48:55 UTC |
| Last seen: | 2021-01-30 09:58:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 682f37c1234edf81664ae0eb5157232c (1 x CobaltStrike) |
| ssdeep | 12288:mdxzM4uGepCHKxLIN7wGwhnX2q/SqNKQ1XAC17CUiqTf4/Fv9:mdq4ujpmwLawLBX+5i3FS/F9 |
| Threatray | 344 similar samples on MalwareBazaar |
| TLSH | 18E4470325528023F5714F316D33A6A1EFE778ED4A3309B6B79C49AAD737380AA35716 |
| Reporter |  JAMESWT_WT |
| Tags: | CobaltStrike JJ ELECTRICAL SERVICES LIMITED signed |
Code Signing Certificate
| Organisation: | AAA Certificate Services |
|---|---|
| Issuer: | AAA Certificate Services |
| Algorithm: | sha1WithRSAEncryption |
| Valid from: | Jan 1 00:00:00 2004 GMT |
| Valid to: | Dec 31 23:59:59 2028 GMT |
| Serial number: | 01 |
| Intelligence: | 384 malware samples on MalwareBazaar are signed with this code signing certificate |
| Cert Graveyard Blocklist: | This certificate is on the Cert Graveyard blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | D7A7A0FB5D7E2731D771E9484EBCDEF71D5F0C3E0A2948782BC83EE0EA699EF4 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
544
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fair.exe
Verdict:
Malicious activity
Analysis date:
2021-01-28 14:13:41 UTC
Tags:
trojan cobaltstrike
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 an HTTP GET request
Sending a UDP request
Connection attempt
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Detected unpacking (changes PE section rights)
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-01-30 07:48:44 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
7 of 46 (15.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
gozi
Similar samples:
+ 334 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://217.12.202.115:8037/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
Unpacked files
SH256 hash:
8a4b092408455e1b5d577f854e055baa2449fabdaef27332c1b0da2388ea07c0
MD5 hash:
2aa58e4bc5e634ac4cfb2cd3d4549432
SHA1 hash:
4e142d1dccf83ae690ae8284d5b30f784cd4f965
Detections:
win_cobalt_strike_auto
SH256 hash:
f50515c44fbda812099aabf42731de148b2171a190de01df4b2985eb25538b0d
MD5 hash:
2c3e8218d664cf00297deb78bf8d47c9
SHA1 hash:
f98b3319f435f10319c9ce66b310e9ec320fd4a0
SH256 hash:
5351984d7eaf9464f27c202f94b6475ffb73904191c973d7c737a0f3cdfbde0e
MD5 hash:
f9584ab5695b1588769421897ff5b356
SHA1 hash:
06e5cc7d3cd971414aabfebf9c62d39c7648bd09
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CobaltStrike
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: | CobaltStrike_Sleep_Decoder_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike sleep_mask decoder |
| Rule name: | CobaltStrike_Unmodifed_Beacon |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects unmodified CobaltStrike beacon DLL |
| Rule name: | crime_win32_csbeacon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Cobalt Strike loader |
| Reference: | https://twitter.com/VK_Intel/status/1239632822358474753 |
| Rule name: | HKTL_Meterpreter_inMemory |
|---|---|
| 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: | INDICATOR_SUSPICIOUS_ReflectiveLoader |
|---|---|
| Author: | ditekSHen |
| Description: | detects Reflective DLL injection artifacts |
| Rule name: | ReflectiveLoader |
|---|---|
| Description: | Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | WiltedTulip_ReflectiveLoader |
|---|---|
| Author: | Florian Roth |
| Description: | Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip |
| Reference: | http://www.clearskysec.com/tulip |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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