Analysis
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max time kernel
436s -
max time network
1161s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
17-11-2023 10:11
Static task
static1
Behavioral task
behavioral1
Sample
sustenance.dll
Resource
win7-20231020-en
windows7-x64
5 signatures
1200 seconds
General
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Target
sustenance.dll
-
Size
525KB
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MD5
d50829ab5499f6ec3a0829515db611d0
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SHA1
d6d5ea77c50e01a1472e8ea7dbd1380df65fe0b4
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SHA256
c194e82e8a3ada40421b28e668c9135f09f9336732dc31053fc0cebf7be97564
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SHA512
104e1e5a50e0928d96cf28c560fbab1006e3cbd049edc661e8512eabee2cc80119e143359a14ff6d6e509c0cd2ea8ef64a137f6010e017a36293485d134a88b9
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SSDEEP
6144:CG/nMeCMDNS1wz3YpxG7Y2nwT6ESbgwZQ6gRPhkqNMyHMr+u/B:PfM8DNS1wkb52UNaQ5R5kqytr+u5
Malware Config
Extracted
Family
zloader
Botnet
CAN1
Campaign
VBSDLL5
C2
https://studentsclasses.com/post.php
https://booking-king.com/post.php
Attributes
-
build_id
39
rc4.plain
rsa_pubkey.plain
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3616 1520 WerFault.exe 86 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2804 wrote to memory of 1520 2804 rundll32.exe 86 PID 2804 wrote to memory of 1520 2804 rundll32.exe 86 PID 2804 wrote to memory of 1520 2804 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\sustenance.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\sustenance.dll,#12⤵PID:1520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 5963⤵
- Program crash
PID:3616
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1520 -ip 15201⤵PID:2824