Analysis
- max time kernel
142s - max time network
144s - platform
windows10_x64 - resource
win10v20210410 - submitted
25/05/2021, 07:16
Static task
static1
Behavioral task
behavioral1
Sample
cd40719a2a4b343268739b3d711437f4.exe
Resource
win7v20210410
0 signatures
0 seconds
General
- Target cd40719a2a4b343268739b3d711437f4.exe
- Size 6.0MB
- Sample210525-aba349pbjs
- SHA256 f49f273f3ee41c8bfebed6c87c839335ae6ee8faa025f6ab67b6f9aec1569604
- MD5 cd40719a2a4b343268739b3d711437f4
- SHA1 dd207bf59d41c15eae9f0f5025f0bee87b21f782
- SHA512 541f608c46460d16341ca38d4175c96e4b5f37d591b6511efdbb7de4d5da74c960cd415db1032e1041fc76ddb3f10985d5d6c5f239853db1543c8b6e4f1a091e
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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danabot
Version
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1827
Botnet
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3
C2
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184.95.51.183:443
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184.95.51.175:443
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192.210.198.12:443
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184.95.51.180:443
Attributes
-
embedded_hash
AEF96B4D339B580ABB737F203C2D0F52
rsa_pubkey.plain
rsa_pubkey.plain
Signatures
- Blocklisted process makes network request 4 IoCs
flow pid Process 13 3576 RUNDLL32.EXE 17 3576 RUNDLL32.EXE 18 3576 RUNDLL32.EXE 19 3576 RUNDLL32.EXE - Deletes itself 1 IoCs
pid Process 2600 rundll32.exe - Loads dropped DLL 4 IoCs
pid Process 2600 rundll32.exe 2600 rundll32.exe 3576 RUNDLL32.EXE 3576 RUNDLL32.EXE - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2600 rundll32.exe Token: SeDebugPrivilege 3576 RUNDLL32.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4092 wrote to memory of 2600 4092 cd40719a2a4b343268739b3d711437f4.exe 77 PID 4092 wrote to memory of 2600 4092 cd40719a2a4b343268739b3d711437f4.exe 77 PID 4092 wrote to memory of 2600 4092 cd40719a2a4b343268739b3d711437f4.exe 77 PID 2600 wrote to memory of 3576 2600 rundll32.exe 78 PID 2600 wrote to memory of 3576 2600 rundll32.exe 78 PID 2600 wrote to memory of 3576 2600 rundll32.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\cd40719a2a4b343268739b3d711437f4.exe"C:\Users\Admin\AppData\Local\Temp\cd40719a2a4b343268739b3d711437f4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\CD4071~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\CD4071~1.EXE2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\CD4071~1.DLL,fFshZA==3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:3576
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