supershell | d931dd41445159d939376b4ee6c6023bf49ba6599d9191006fdb8d99c71c410a

Analysis

max time kernel
140s
max time network
129s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20260513-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
06/09/2026, 12:20

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General

Target
kworker
Size 4.5MB
Sample260906-ph2rtsap21
SHA256 d931dd41445159d939376b4ee6c6023bf49ba6599d9191006fdb8d99c71c410a
MD5 197530912cfb2036a9099bd7fd2dbe1f
SHA1 84af69c14d8ca62ad2ddfdc2396b903062f49c6a
SHA512 0a6a666200a213b07e507ccbdda733ca2ee6f1521369a79bc7acf837710baef020e512e173251092023b8723d51895c57ec8c8684f1168f8641e5f21cb0e311f
SSDEEP 98304:fjlFLOqcya5sAOnZAPNX8clwqyOAK7AJ7Km:fjvSqcyoOnqPNnhyfNl
TLSH
T14C26332047253B37B4CD2B64BF7A2E98D961B21D75A08078BF35E6D9E378FD28512132
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery supershell

Malware Config

Extracted

Family

supershell

wss://servers.update.missrog.mopay.cc:443

Signatures

Family: Supershell
Supershell is a cross-platfrom reverse shell written in Golang.
backdoor supershell

Enumerates kernel/hardware configuration 1 TTPs 2 IoCs

Reads contents of /sys virtual filesystem to enumerate system information.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/kernel/mm/transparent_hugepage/hpage_pmd_size	kworker
File opened for reading	/sys/kernel/mm/transparent_hugepage/hpage_pmd_size	exe

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/exe	exe
File opened for reading	/proc/self/exe	kworker

/tmp/kworker
/tmp/kworker
1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:1490
- /proc/self/exe
  /proc/self/exe
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:1498

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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