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Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 02:54 UTC
Static task
static1
Behavioral task
behavioral1
Sample
76b2ad6694d96a44a96db9fb25dac7da1ab70a174be812b78fcfe5dc048eba25.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
76b2ad6694d96a44a96db9fb25dac7da1ab70a174be812b78fcfe5dc048eba25.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
Brava/Deriverendes.app
Resource
macos-20231201-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
12KB
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MD5
cff85c549d536f651d4fb8387f1976f2
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SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
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SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
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SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
-
SSDEEP
192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2792 1188 WerFault.exe 17 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4432 wrote to memory of 1188 4432 rundll32.exe 17 PID 4432 wrote to memory of 1188 4432 rundll32.exe 17 PID 4432 wrote to memory of 1188 4432 rundll32.exe 17
Processes
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵PID:1188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 6122⤵
- Program crash
PID:2792
-
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1188 -ip 11881⤵PID:1624
Network
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Remote address:8.8.8.8:53Request217.106.137.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request180.178.17.96.in-addr.arpaIN PTRResponse180.178.17.96.in-addr.arpaIN PTRa96-17-178-180deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request73.159.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request81.171.91.138.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request97.17.167.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request133.211.185.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request28.118.140.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request86.23.85.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request178.223.142.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request18.31.95.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request240.221.184.93.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request173.178.17.96.in-addr.arpaIN PTRResponse173.178.17.96.in-addr.arpaIN PTRa96-17-178-173deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request19.229.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request194.178.17.96.in-addr.arpaIN PTRResponse194.178.17.96.in-addr.arpaIN PTRa96-17-178-194deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request50.192.11.51.in-addr.arpaIN PTRResponse
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73 B 147 B 1 1
DNS Request
217.106.137.52.in-addr.arpa
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72 B 137 B 1 1
DNS Request
180.178.17.96.in-addr.arpa
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72 B 158 B 1 1
DNS Request
73.159.190.20.in-addr.arpa
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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72 B 146 B 1 1
DNS Request
81.171.91.138.in-addr.arpa
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71 B 145 B 1 1
DNS Request
97.17.167.52.in-addr.arpa
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73 B 147 B 1 1
DNS Request
133.211.185.52.in-addr.arpa
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72 B 158 B 1 1
DNS Request
28.118.140.52.in-addr.arpa
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70 B 144 B 1 1
DNS Request
86.23.85.13.in-addr.arpa
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73 B 147 B 1 1
DNS Request
178.223.142.52.in-addr.arpa
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70 B 144 B 1 1
DNS Request
18.31.95.13.in-addr.arpa
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73 B 144 B 1 1
DNS Request
240.221.184.93.in-addr.arpa
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72 B 137 B 1 1
DNS Request
173.178.17.96.in-addr.arpa
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72 B 158 B 1 1
DNS Request
19.229.111.52.in-addr.arpa
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72 B 137 B 1 1
DNS Request
194.178.17.96.in-addr.arpa
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71 B 157 B 1 1
DNS Request
50.192.11.51.in-addr.arpa