Analysis
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max time kernel
150s -
max time network
153s -
platform
debian-9_armhf -
resource
debian9-armhf-20240611-en -
resource tags
arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem -
submitted
10-10-2024 09:25
Static task
static1
Behavioral task
behavioral1
Sample
na.elf
Resource
debian9-armhf-20240611-en
debian-9-armhf
8 signatures
150 seconds
General
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Target
na.elf
-
Size
128KB
-
MD5
cf182d49ea3bd8d88c0895c2c2e0c971
-
SHA1
71d2e8d01a16188bb1efb6f68678fc245e7a75e9
-
SHA256
2743a17903001140b896d59a93ff5720ee2b1198e87772bfe23b0913018ac4f5
-
SHA512
594b7a7e6f3cdcb18f23b54826e40ad661dd14be30d5b68edca51843c09ab063e816072d015a7993f3eb0fea5ca4596fb9851b07c19f5c99823aaab1e04946f6
-
SSDEEP
3072:uxjOFf2CcOhh5txBqH9jX/ae0KKFpv2KpnG4Kitc:4jOd23qtr8X/ae0KKFpuKHTtc
Score
9/10
Malware Config
Signatures
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Contacts a large (94970) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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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 na.elf File opened for modification /dev/misc/watchdog na.elf -
Renames itself 1 IoCs
pid Process 644 na.elf -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 185.84.81.194 Destination IP 162.243.19.47 -
Reads process memory 1 TTPs 11 IoCs
Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.
description ioc Process File opened for reading /proc/11/maps na.elf File opened for reading /proc/33/maps na.elf File opened for reading /proc/44/maps na.elf File opened for reading /proc/66/maps na.elf File opened for reading /proc/99/maps na.elf File opened for reading /proc/22/maps na.elf File opened for reading /proc/55/maps na.elf File opened for reading /proc/77/maps na.elf File opened for reading /proc/111/maps na.elf File opened for reading /proc/222/maps na.elf File opened for reading /proc/444/maps na.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself wsdd 644 na.elf -
description ioc Process File opened for reading /proc/999�"/maps na.elf File opened for reading /proc/1111�%/maps na.elf File opened for reading /proc/2222z,/maps na.elf File opened for reading /proc/55553/maps na.elf File opened for reading /proc/6666`3/maps na.elf File opened for reading /proc/111c�"/maps na.elf File opened for reading /proc/222l�"/maps na.elf File opened for reading /proc/222v�"/maps na.elf File opened for reading /proc/1111�3/maps na.elf File opened for reading /proc/3333a./maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/88ll�"/maps na.elf File opened for reading /proc/222�"/maps na.elf File opened for reading /proc/1111�3/maps na.elf File opened for reading /proc/111�"/maps na.elf File opened for reading /proc/222�"/maps na.elf File opened for reading /proc/3333�./maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/1111�3/maps na.elf File opened for reading /proc/1111�(/maps na.elf File opened for reading /proc/1111�"/maps na.elf File opened for reading /proc/1111�3/maps na.elf File opened for reading /proc/2222*/maps na.elf File opened for reading /proc/2222{*/maps na.elf File opened for reading /proc/4444$/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/111m�"/maps na.elf File opened for reading /proc/444s�"/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/66664/maps na.elf File opened for reading /proc/777s�"/maps na.elf File opened for reading /proc/1111�"/maps na.elf File opened for reading /proc/1111�#/maps na.elf File opened for reading /proc/2222�*/maps na.elf File opened for reading /proc/2222+/maps na.elf File opened for reading /proc/2222i,/maps na.elf File opened for reading /proc/111c�"/maps na.elf File opened for reading /proc/222i�"/maps na.elf File opened for reading /proc/3333/maps na.elf File opened for reading /proc/4444 /maps na.elf File opened for reading /proc/111�"/maps na.elf File opened for reading /proc/2222X,/maps na.elf File opened for reading /proc/2222K+/maps na.elf File opened for reading /proc/4444�3/maps na.elf File opened for reading /proc/222s�"/maps na.elf File opened for reading /proc/2222H*/maps na.elf