Analysis
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max time kernel
36s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 18:11
Static task
static1
Behavioral task
behavioral1
Sample
dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29.dll
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Size
157KB
-
MD5
6c75ad377129a588ba7b91bab284f219
-
SHA1
a7513a7655f6c2e283972977e57e044731c1b217
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SHA256
dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29
-
SHA512
fce22abbcb31327968067eefe393feab805859ff869161ec754a1054f8e03c8a4e9f79491d4d6dbda7a10e8edb01c8b3940b068e598259978955e01b14c409bc
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/1164-62-0x0000000074510000-0x000000007453D000-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 1840 wrote to memory of 1164 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 1164 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 1164 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 1164 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 1164 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 1164 1840 rundll32.exe rundll32.exe PID 1840 wrote to memory of 1164 1840 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29.dll,#12⤵
- Checks whether UAC is enabled
PID:1164
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1164-60-0x0000000000000000-mapping.dmp
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memory/1164-61-0x0000000074D91000-0x0000000074D93000-memory.dmpFilesize
8KB
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memory/1164-62-0x0000000074510000-0x000000007453D000-memory.dmpFilesize
180KB
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memory/1164-64-0x0000000000150000-0x0000000000156000-memory.dmpFilesize
24KB