Analysis
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max time kernel
135s -
max time network
136s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 17:55
Static task
static1
Behavioral task
behavioral1
Sample
48ec933ff1fdab386abc28c8f86bacf10250c4ecb4243c9604a64fc3c6f9d964.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
48ec933ff1fdab386abc28c8f86bacf10250c4ecb4243c9604a64fc3c6f9d964.dll
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Size
162KB
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MD5
a9ac3960454fa377c973aba2545b2b6c
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SHA1
b7474e4154cbfaa2913986cc01206376569cb78f
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SHA256
48ec933ff1fdab386abc28c8f86bacf10250c4ecb4243c9604a64fc3c6f9d964
-
SHA512
e8ef3ff09c056df86a4d15b91c1d08229bdc2d3dac5d5be1b44b7d0e404a879cb8ddcb252a76a7d84ba2799e824cbc7f812eb7c2131d2a1cec0eee111d9e82e1
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/1160-61-0x0000000074DC0000-0x0000000074DEE000-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 1948 wrote to memory of 1160 1948 rundll32.exe rundll32.exe PID 1948 wrote to memory of 1160 1948 rundll32.exe rundll32.exe PID 1948 wrote to memory of 1160 1948 rundll32.exe rundll32.exe PID 1948 wrote to memory of 1160 1948 rundll32.exe rundll32.exe PID 1948 wrote to memory of 1160 1948 rundll32.exe rundll32.exe PID 1948 wrote to memory of 1160 1948 rundll32.exe rundll32.exe PID 1948 wrote to memory of 1160 1948 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\48ec933ff1fdab386abc28c8f86bacf10250c4ecb4243c9604a64fc3c6f9d964.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\48ec933ff1fdab386abc28c8f86bacf10250c4ecb4243c9604a64fc3c6f9d964.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/1160-60-0x0000000076691000-0x0000000076693000-memory.dmpFilesize
8KB
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memory/1160-59-0x0000000000000000-mapping.dmp
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memory/1160-61-0x0000000074DC0000-0x0000000074DEE000-memory.dmpFilesize
184KB
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memory/1160-63-0x00000000001F0000-0x00000000001F6000-memory.dmpFilesize
24KB