Analysis
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max time kernel
121s -
max time network
121s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
21-10-2021 15:19
Static task
static1
Behavioral task
behavioral1
Sample
subzero.png.dll
Resource
win7-en-20210920
General
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Target
subzero.png.dll
-
Size
706KB
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MD5
a3e7540eaef734b4f74c23bfda1023a0
-
SHA1
377859b3d44cd40f21fb20b682169b447c0e8fb2
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SHA256
65234c8a08c9a5e2e81af11e4be56eaee3ec00c9063069ab9d97770d6f31ba6b
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SHA512
84e0aea7b15608d59401c3124c82bc599a629e6d4f95b75c58d8bb204071acc2c40160ca5a3a50553c2c472401fb51513530e7f28fbb5531321216577c1657b3
Malware Config
Extracted
trickbot
100019
rob136
65.152.201.203:443
185.56.175.122:443
46.99.175.217:443
179.189.229.254:443
46.99.175.149:443
181.129.167.82:443
216.166.148.187:443
46.99.188.223:443
128.201.76.252:443
62.99.79.77:443
60.51.47.65:443
24.162.214.166:443
45.36.99.184:443
97.83.40.67:443
184.74.99.214:443
103.105.254.17:443
62.99.76.213:443
82.159.149.52:443
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autorunName:pwgrabbName:pwgrabc
Signatures
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 29 ident.me 30 ident.me -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 3436 wermgr.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2716 wrote to memory of 2968 2716 rundll32.exe rundll32.exe PID 2716 wrote to memory of 2968 2716 rundll32.exe rundll32.exe PID 2716 wrote to memory of 2968 2716 rundll32.exe rundll32.exe PID 2968 wrote to memory of 3248 2968 rundll32.exe cmd.exe PID 2968 wrote to memory of 3248 2968 rundll32.exe cmd.exe PID 2968 wrote to memory of 3248 2968 rundll32.exe cmd.exe PID 2968 wrote to memory of 3436 2968 rundll32.exe wermgr.exe PID 2968 wrote to memory of 3436 2968 rundll32.exe wermgr.exe PID 2968 wrote to memory of 3436 2968 rundll32.exe wermgr.exe PID 2968 wrote to memory of 3436 2968 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\subzero.png.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\subzero.png.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2968-115-0x0000000000000000-mapping.dmp
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memory/2968-116-0x0000000004A60000-0x0000000004CC8000-memory.dmpFilesize
2.4MB
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memory/2968-117-0x00000000010A0000-0x00000000010E5000-memory.dmpFilesize
276KB
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memory/2968-118-0x0000000000F90000-0x0000000000F91000-memory.dmpFilesize
4KB
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memory/2968-119-0x0000000010001000-0x0000000010003000-memory.dmpFilesize
8KB
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memory/3436-120-0x0000000000000000-mapping.dmp
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memory/3436-122-0x000002837B010000-0x000002837B011000-memory.dmpFilesize
4KB
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memory/3436-121-0x000002837AFD0000-0x000002837AFF9000-memory.dmpFilesize
164KB
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memory/3436-124-0x000002837B210000-0x000002837B212000-memory.dmpFilesize
8KB
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memory/3436-123-0x000002837B210000-0x000002837B212000-memory.dmpFilesize
8KB