MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8344424b2ab65b90171d02df7f9f8625308284c4b25e0e489c005f9c164784c2. 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: 8
| SHA256 hash: | 8344424b2ab65b90171d02df7f9f8625308284c4b25e0e489c005f9c164784c2 |
|---|---|
| SHA3-384 hash: | 598553607f2372eb5beac603009b8333e79ea5f4d3aefc0d0bcc54773693f0f400d2c5e4370da8a48f57d3e4bb0addfd |
| SHA1 hash: | 1a04df05df854c5b77d740c1831eea7f967bf62c |
| MD5 hash: | a028079c891c15c18383f65b2b1aee80 |
| humanhash: | network-mountain-hamper-fix |
| File name: | a028079c891c15c18383f65b2b1aee80.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 5'657'088 bytes |
| First seen: | 2021-08-16 06:48:23 UTC |
| Last seen: | 2021-08-16 07:50:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 57b04b22145eeb8eb60d5d0a981e9a6b (1 x CobaltStrike) |
| ssdeep | 98304:TCQHgT04/bQTFX5z/KicwswzwYAJbcHRrszaf6uM7lqs6GkNwWDtQAZr4c:zHgBMLAwswzdxr76uM7D6GGwWDtLt |
| Threatray | 1'317 similar samples on MalwareBazaar |
| TLSH | T10E4612FD6248371CC42AC8709533BD4AE2F2911D1DF5DA7A7AD77AC07BAB810E502B49 |
| Reporter |  abuse_ch |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
522
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a028079c891c15c18383f65b2b1aee80.exe
Verdict:
No threats detected
Analysis date:
2021-08-16 06:51:45 UTC
Tags:
n/a
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
Launching a process
Connection attempt
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a system process
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.
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Detected VMProtect packer
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.Shelma
Status:
Malicious
First seen:
2021-08-13 21:43:26 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 1'307 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:426352781 backdoor trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Cobaltstrike
Malware Config
C2 Extraction:
http://112.126.60.177:443/uri2?test1=test2
http://112.126.60.177:443/design/img/list.jpg
http://112.126.60.177:443/design/img/list.jpg
Unpacked files
SH256 hash:
8344424b2ab65b90171d02df7f9f8625308284c4b25e0e489c005f9c164784c2
MD5 hash:
a028079c891c15c18383f65b2b1aee80
SHA1 hash:
1a04df05df854c5b77d740c1831eea7f967bf62c
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
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: | Cobaltbaltstrike_Beacon_x64 |
|---|---|
| Author: | Avast Threat Intel Team |
| Description: | Detects CobaltStrike payloads |
| Reference: | https://github.com/avast/ioc |
| Rule name: | CobaltStrikeBeacon |
|---|---|
| Author: | enzo |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_C2_Encoded_XOR_Config_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike C2 encoded profile configuration |
| Rule name: | CobaltStrike_MZ_Launcher |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike MZ header ReflectiveLoader launcher |
| Rule name: | CobaltStrike_Sleep_Decoder_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike sleep_mask decoder |
| Rule name: | HKTL_CobaltStrike_Beacon_4_2_Decrypt |
|---|---|
| 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 |
|---|---|
| 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_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: | HKTL_Win_CobaltStrike |
|---|---|
| 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: | INDICATOR_EXE_Packed_VMProtect |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with VMProtect. |
| Rule name: | INDICATOR_SUSPICIOUS_ReflectiveLoader |
|---|---|
| Author: | ditekSHen |
| Description: | detects Reflective DLL injection artifacts |
| Rule name: | MALW_cobaltrike |
|---|---|
| Author: | Marc Rivero | McAfee ATR Team |
| Description: | Rule to detect CobaltStrike beacon |
| Rule name: | ReflectiveLoader |
|---|---|
| Author: | Florian Roth |
| 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: | 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: | Detects win.cobalt_strike. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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