Analysis
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max time kernel
23s -
max time network
11s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 16:52
Static task
static1
Behavioral task
behavioral1
Sample
2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll
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Size
162KB
-
MD5
511d836cd57f95f3e9aa0e3db8911f94
-
SHA1
74d2f518c5172c7d16205c576c77af7aca0e2dea
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SHA256
2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e
-
SHA512
cd6dbe6dc11b2807a112710fc2ea54db604c1af7c6ee0bda75eb9243d1ec88f24047dc56e897542dfa792e9e8f4d6e38e1bf5c6ed8a7bc1405ecaf06d382be91
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/1924-63-0x0000000074A90000-0x0000000074ABE000-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 336 wrote to memory of 1924 336 rundll32.exe rundll32.exe PID 336 wrote to memory of 1924 336 rundll32.exe rundll32.exe PID 336 wrote to memory of 1924 336 rundll32.exe rundll32.exe PID 336 wrote to memory of 1924 336 rundll32.exe rundll32.exe PID 336 wrote to memory of 1924 336 rundll32.exe rundll32.exe PID 336 wrote to memory of 1924 336 rundll32.exe rundll32.exe PID 336 wrote to memory of 1924 336 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.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/1924-60-0x0000000000000000-mapping.dmp
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memory/1924-61-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB
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memory/1924-63-0x0000000074A90000-0x0000000074ABE000-memory.dmpFilesize
184KB
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memory/1924-62-0x0000000000180000-0x0000000000186000-memory.dmpFilesize
24KB