a330a466e830d437c13f1ee86e94621a1b47a22f5dfcdf5e5c219b64d06c39d7

Analysis

max time kernel
0s
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
25/08/2026, 06:13

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General

Target
InstallExt/install.sh
Size 435B
Sample260825-gyzy6seq2v
SHA256 a330a466e830d437c13f1ee86e94621a1b47a22f5dfcdf5e5c219b64d06c39d7
MD5 afff33ccb7e91195a7519d59560fafbb
SHA1 60893018814a085c56f9a1f699c38b10d82c768a
SHA512 a1a54b90dd0cf262193386008974a948304316bd087e9a45cd41f95e1647c1253f2b4a73eb5c3f7a4c0f13ce19e8d0195a961e0c034181fc25fac39400bf3f4e
TLSH
T1E1E0EC80E4EC51B1721C431DFE553E901B9DE5BF2FA53945A9A58820512D24974CB396
MD5 SHA1 SHA512 TLSH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
1519	chmod

Reads runtime system information 1 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/fd/0	open

/tmp/InstallExt/install.sh
/tmp/InstallExt/install.sh
1⤵
PID:1516
- /usr/bin/dirname
  dirname /tmp/InstallExt/install.sh
  2⤵
  PID:1517
- /bin/chmod
  chmod -R u+x "Install Extension.app"
  2⤵
  - File and Directory Permissions Modification
  PID:1519
- /bin/open
  open "Install Extension.app"
  2⤵
  - Reads runtime system information
  PID:1520

/usr/local/sbin/Install Extension.app
"Install Extension.app"
1⤵
PID:1521

/usr/local/bin/Install Extension.app
"Install Extension.app"
1⤵
PID:1521

/usr/sbin/Install Extension.app
"Install Extension.app"
1⤵
PID:1521

/usr/bin/Install Extension.app
"Install Extension.app"
1⤵
PID:1521

/sbin/Install Extension.app
"Install Extension.app"
1⤵
PID:1521

/bin/Install Extension.app
"Install Extension.app"
1⤵
PID:1521

/snap/bin/Install Extension.app
"Install Extension.app"
1⤵
PID:1521

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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