Analysis
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max time kernel
0s -
max time network
103s -
platform
linux_amd64 -
resource
ubuntu1804-amd64-en-20211208 -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-en-20211208kernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
08-11-2022 07:30
Behavioral task
behavioral1
Sample
a9f55f5a8b912b37eb511967d4d919d21469b17fc0e10abb42884a8e705890e8
Resource
ubuntu1804-amd64-en-20211208
General
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Target
a9f55f5a8b912b37eb511967d4d919d21469b17fc0e10abb42884a8e705890e8
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Size
549KB
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MD5
edd7e70f803541a0d29595065d25cac9
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SHA1
44d43ff65bbbcec481fde7dffc838e6c6b33b846
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SHA256
a9f55f5a8b912b37eb511967d4d919d21469b17fc0e10abb42884a8e705890e8
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SHA512
170ef329299d7201850fe845392914245ac679315119f8c5454cb17edc5c0b8af026951e4f6470c7fdaf8333ec1fa68c778d4e2f03e6aed00b48c546868d2405
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SSDEEP
12288:VeRvuKqiVZ4En5drNK0pPEfJKlHZ8mG97Qxee6yzmx:VIv/qiVNHNDEfJKHZ8mG9QeeO
Malware Config
Signatures
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Writes file to system bin folder 1 TTPs 22 IoCs
Processes:
description ioc /bin/wtoyreinrscto /bin/wtoyreinrscto /bin/jcoswuyi /bin/jcoswuyi /bin/bipadfyaaoyus /bin/bipadfyaaoyus /bin/uyevgh /bin/uyevgh /bin/sdfpxuycvxrnpi /bin/sdfpxuycvxrnpi /bin/dvfwllj /bin/dvfwllj /bin/wssxqae /bin/wssxqae /bin/qbveivsbihbl /bin/qbveivsbihbl /bin/irrgzru /bin/irrgzru /bin/zlffqdfqtfklo /bin/zlffqdfqtfklo /bin/hnluchtwnyf /bin/hnluchtwnyf /bin/rfpujrrsygh /bin/rfpujrrsygh /bin/atmpqlqhjjz /bin/atmpqlqhjjz /bin/urojfzwnssrdxw /bin/urojfzwnssrdxw /bin/ogninggwhh /bin/ogninggwhh /bin/lblfreo /bin/lblfreo /bin/wsedjltfidy /bin/wsedjltfidy /bin/laufewqjbiog /bin/laufewqjbiog /bin/shrxhbzmstmw /bin/shrxhbzmstmw /bin/arbyyihzl /bin/arbyyihzl /bin/wevzcc /bin/wevzcc /bin/xjfnpcskjovwz /bin/xjfnpcskjovwz -
Modifies rc script 1 TTPs 5 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
Processes:
description ioc /etc/rc1.d/S90mzwrqhdcyng /etc/rc1.d/S90mzwrqhdcyng /etc/rc2.d/S90mzwrqhdcyng /etc/rc2.d/S90mzwrqhdcyng /etc/rc3.d/S90mzwrqhdcyng /etc/rc3.d/S90mzwrqhdcyng /etc/rc4.d/S90mzwrqhdcyng /etc/rc4.d/S90mzwrqhdcyng /etc/rc5.d/S90mzwrqhdcyng /etc/rc5.d/S90mzwrqhdcyng -
Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 114.114.114.114 Destination IP 114.114.114.114 Destination IP 114.114.114.114 Destination IP 114.114.114.114 Destination IP 114.114.114.114 Destination IP 114.114.114.114 Destination IP 114.114.114.114 Destination IP 114.114.114.114 -
Writes file to shm directory 1 IoCs
Malware can drop malicious files in the shm directory which will run directly from RAM.
Processes:
description ioc /dev/shm/sem.ccFKBG /dev/shm/sem.ccFKBG -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/a9f55f5a8b912b37eb511967d4d919d21469b17fc0e10abb42884a8e705890e8 /tmp/a9f55f5a8b912b37eb511967d4d919d21469b17fc0e10abb42884a8e705890e8
Processes
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/tmp/a9f55f5a8b912b37eb511967d4d919d21469b17fc0e10abb42884a8e705890e8/tmp/a9f55f5a8b912b37eb511967d4d919d21469b17fc0e10abb42884a8e705890e81⤵PID:571
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/bin/gnycdhqrwzm/bin/gnycdhqrwzm1⤵PID:575
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/bin/qbveivsbihbl/bin/qbveivsbihbl -d 5761⤵PID:580
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/bin/wtoyreinrscto/bin/wtoyreinrscto -d 5761⤵PID:587
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/bin/jcoswuyi/bin/jcoswuyi -d 5761⤵PID:590
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/bin/bipadfyaaoyus/bin/bipadfyaaoyus -d 5761⤵PID:593
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/bin/lblfreo/bin/lblfreo -d 5761⤵PID:596
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/bin/irrgzru/bin/irrgzru -d 5761⤵PID:599
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/bin/zlffqdfqtfklo/bin/zlffqdfqtfklo -d 5761⤵PID:602
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/bin/wsedjltfidy/bin/wsedjltfidy -d 5761⤵PID:605
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/bin/laufewqjbiog/bin/laufewqjbiog -d 5761⤵PID:608
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/bin/hnluchtwnyf/bin/hnluchtwnyf -d 5761⤵PID:611
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/bin/uyevgh/bin/uyevgh -d 5761⤵PID:614
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/bin/urojfzwnssrdxw/bin/urojfzwnssrdxw -d 5761⤵PID:617
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/bin/shrxhbzmstmw/bin/shrxhbzmstmw -d 5761⤵PID:620
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/bin/sdfpxuycvxrnpi/bin/sdfpxuycvxrnpi -d 5761⤵PID:623
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/bin/ogninggwhh/bin/ogninggwhh -d 5761⤵PID:626
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/bin/dvfwllj/bin/dvfwllj -d 5761⤵PID:629
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/bin/arbyyihzl/bin/arbyyihzl -d 5761⤵PID:632
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/bin/wevzcc/bin/wevzcc -d 5761⤵PID:635
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/bin/xjfnpcskjovwz/bin/xjfnpcskjovwz -d 5761⤵PID:638
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/bin/wssxqae/bin/wssxqae -d 5761⤵PID:641
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/bin/rfpujrrsygh/bin/rfpujrrsygh -d 5761⤵PID:644
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/bin/atmpqlqhjjz/bin/atmpqlqhjjz -d 5761⤵PID:647