Analysis
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max time kernel
101s -
max time network
103s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
04-10-2021 11:08
Static task
static1
Behavioral task
behavioral1
Sample
c55a25514c0d860980e5f13b138ae846b36a783a0fdb52041e3a8c6a22c6f5e2.dll
Resource
win7-en-20210920
windows7_x64
0 signatures
0 seconds
General
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Target
c55a25514c0d860980e5f13b138ae846b36a783a0fdb52041e3a8c6a22c6f5e2.dll
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Size
372KB
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MD5
bb1272e0e3289985b4578f1b013fa5d5
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SHA1
b19802976ff277fd4dd1adb5e950d84a3fcf6cf5
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SHA256
c55a25514c0d860980e5f13b138ae846b36a783a0fdb52041e3a8c6a22c6f5e2
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SHA512
24cc60455a51a598482f6c1143e9027736dc4c82ca58aa8ae0e3c540006491d5b005284bf32167876ffaa60bedfa114cc59b07faa2b3e87b80b9f08713a18d42
Malware Config
Extracted
Family
zloader
Botnet
kev
Campaign
21/01
C2
https://patatai.com/post.php
https://acquaie.com/post.php
https://noifatemmuce.tk/post.php
rc4.plain
rsa_pubkey.plain
Signatures
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Blocklisted process makes network request 6 IoCs
Processes:
msiexec.exeflow pid process 7 5072 msiexec.exe 8 5072 msiexec.exe 13 5072 msiexec.exe 14 5072 msiexec.exe 15 5072 msiexec.exe 16 5072 msiexec.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
regsvr32.exedescription pid process target process PID 4808 set thread context of 5072 4808 regsvr32.exe msiexec.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
msiexec.exedescription pid process Token: SeSecurityPrivilege 5072 msiexec.exe Token: SeSecurityPrivilege 5072 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
regsvr32.exeregsvr32.exedescription pid process target process PID 4796 wrote to memory of 4808 4796 regsvr32.exe regsvr32.exe PID 4796 wrote to memory of 4808 4796 regsvr32.exe regsvr32.exe PID 4796 wrote to memory of 4808 4796 regsvr32.exe regsvr32.exe PID 4808 wrote to memory of 5072 4808 regsvr32.exe msiexec.exe PID 4808 wrote to memory of 5072 4808 regsvr32.exe msiexec.exe PID 4808 wrote to memory of 5072 4808 regsvr32.exe msiexec.exe PID 4808 wrote to memory of 5072 4808 regsvr32.exe msiexec.exe PID 4808 wrote to memory of 5072 4808 regsvr32.exe msiexec.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\c55a25514c0d860980e5f13b138ae846b36a783a0fdb52041e3a8c6a22c6f5e2.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\c55a25514c0d860980e5f13b138ae846b36a783a0fdb52041e3a8c6a22c6f5e2.dll2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/4808-114-0x0000000000000000-mapping.dmp
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memory/4808-116-0x0000000010000000-0x0000000010070000-memory.dmpFilesize
448KB
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memory/4808-115-0x0000000010000000-0x0000000010026000-memory.dmpFilesize
152KB
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memory/4808-117-0x0000000002D10000-0x0000000002E5A000-memory.dmpFilesize
1.3MB
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memory/5072-118-0x0000000000000000-mapping.dmp
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memory/5072-121-0x0000000003000000-0x0000000003026000-memory.dmpFilesize
152KB