Analysis
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max time kernel
108s -
max time network
106s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 17:01
Static task
static1
Behavioral task
behavioral1
Sample
f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90.dll
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Size
162KB
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MD5
72e631c2930bf8ae585b85f1ea16e2ba
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SHA1
54af46cf0613396acce3aab43d30f97526f44700
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SHA256
f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90
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SHA512
37e137a8fa22a9bf8ad8a426596c39f3156d653fba7437bb7b0f7b80621eff59d845c973a393e32d24ced0fef76a55159d84dbd58e95f1c7b78f6b1f8a03f4b3
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/1212-62-0x0000000074680000-0x00000000746AE000-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 1652 wrote to memory of 1212 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1212 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1212 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1212 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1212 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1212 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1212 1652 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90.dll,#12⤵
- Checks whether UAC is enabled
PID:1212
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1212-60-0x0000000000000000-mapping.dmp
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memory/1212-61-0x00000000754F1000-0x00000000754F3000-memory.dmpFilesize
8KB
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memory/1212-62-0x0000000074680000-0x00000000746AE000-memory.dmpFilesize
184KB
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memory/1212-64-0x0000000000100000-0x0000000000106000-memory.dmpFilesize
24KB