Analysis
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max time kernel
33s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 18:43
Static task
static1
Behavioral task
behavioral1
Sample
975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855.dll
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Size
157KB
-
MD5
1a4633486f77527226b062ed3a431ed9
-
SHA1
c2bc1e46ea60f03020e2e806471ba3e46510d4e9
-
SHA256
975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855
-
SHA512
221fa9ed7a5f32eeb7b20505e50fc389efa8b0a2efc94c2097e4e36ae9e886798aa8252c62660f95e4ff3d6f131316078fcf6a131eb512079bad9318205795cc
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1068-62-0x0000000074680000-0x00000000746AD000-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 1068 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1068 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1068 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1068 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1068 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1068 1652 rundll32.exe rundll32.exe PID 1652 wrote to memory of 1068 1652 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855.dll,#12⤵
- Checks whether UAC is enabled
PID:1068
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1068-60-0x0000000000000000-mapping.dmp
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memory/1068-61-0x00000000754F1000-0x00000000754F3000-memory.dmpFilesize
8KB
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memory/1068-62-0x0000000074680000-0x00000000746AD000-memory.dmpFilesize
180KB
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memory/1068-64-0x00000000000E0000-0x00000000000E6000-memory.dmpFilesize
24KB