Analysis
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max time kernel
142s -
max time network
145s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
26-10-2021 15:29
Static task
static1
Behavioral task
behavioral1
Sample
b938df3257c4c0f916955b0a689dd280.dll
Resource
win7-en-20211014
windows7_x64
0 signatures
0 seconds
General
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Target
b938df3257c4c0f916955b0a689dd280.dll
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Size
942KB
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MD5
b938df3257c4c0f916955b0a689dd280
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SHA1
8058abf1aa17283ab8c6fe65e303011f46cda884
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SHA256
79ab62103a0d4eb9fe40aa94aa9d2f2f669c1bcf29119930ede17bb4cd1a9d6c
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SHA512
80df5775165e17d44374bd8e794ff690ecf5c4ab087977df58d476a180dfdc9babe35e124cac2957448aa2b6904aaf6a297af9584541c438c4a9d582c0f77897
Malware Config
Extracted
Family
gozi_ifsb
Botnet
8899
C2
msn.com/mail
realitystorys.com
outlook.com/signup
gderrrpololo.net
Attributes
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build
260212
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dga_season
10
-
exe_type
loader
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server_id
12
rsa_pubkey.plain
serpent.plain
Signatures
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Blocklisted process makes network request 9 IoCs
Processes:
rundll32.exeflow pid process 25 508 rundll32.exe 27 508 rundll32.exe 29 508 rundll32.exe 31 508 rundll32.exe 32 508 rundll32.exe 34 508 rundll32.exe 36 508 rundll32.exe 38 508 rundll32.exe 40 508 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4252 wrote to memory of 508 4252 rundll32.exe rundll32.exe PID 4252 wrote to memory of 508 4252 rundll32.exe rundll32.exe PID 4252 wrote to memory of 508 4252 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b938df3257c4c0f916955b0a689dd280.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b938df3257c4c0f916955b0a689dd280.dll,#12⤵
- Blocklisted process makes network request
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/508-115-0x0000000000000000-mapping.dmp
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memory/508-116-0x0000000073EE0000-0x0000000073FE4000-memory.dmpFilesize
1.0MB
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memory/508-117-0x0000000073EE0000-0x0000000073EEF000-memory.dmpFilesize
60KB
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memory/508-118-0x0000000073EE0000-0x0000000073FE4000-memory.dmpFilesize
1.0MB
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memory/508-119-0x0000000002C00000-0x0000000002D4A000-memory.dmpFilesize
1.3MB