Analysis
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max time kernel
123s -
max time network
122s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 16:36
Static task
static1
Behavioral task
behavioral1
Sample
3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a.dll
Resource
win7v20210410
0 signatures
0 seconds
General
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Target
3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a.dll
-
Size
162KB
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MD5
6a717b2993d7d462a3dee2358445e915
-
SHA1
e709e1c067ec89eb83d1f6abecfe549a98f3409c
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SHA256
3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a
-
SHA512
4cc7e7188962295dafe8f8b1ebae7d1c58836e8ef55b079a73b1290ef73a52b8ae0ca9f144947e67a9d6702cb365c3ea3469b2615353ccd9b00ff9ffae8c51da
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2016-61-0x0000000074530000-0x000000007455E000-memory.dmp dridex_ldr -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1240 wrote to memory of 2016 1240 rundll32.exe rundll32.exe PID 1240 wrote to memory of 2016 1240 rundll32.exe rundll32.exe PID 1240 wrote to memory of 2016 1240 rundll32.exe rundll32.exe PID 1240 wrote to memory of 2016 1240 rundll32.exe rundll32.exe PID 1240 wrote to memory of 2016 1240 rundll32.exe rundll32.exe PID 1240 wrote to memory of 2016 1240 rundll32.exe rundll32.exe PID 1240 wrote to memory of 2016 1240 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2016-59-0x0000000000000000-mapping.dmp
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memory/2016-60-0x00000000752B1000-0x00000000752B3000-memory.dmpFilesize
8KB
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memory/2016-61-0x0000000074530000-0x000000007455E000-memory.dmpFilesize
184KB
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memory/2016-63-0x00000000000F0000-0x00000000000F6000-memory.dmpFilesize
24KB