Analysis
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max time kernel
36s -
max time network
9s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 18:11
Static task
static1
Behavioral task
behavioral1
Sample
3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
-
Target
3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d.dll
-
Size
157KB
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MD5
595e2f4fc40add6fc1655e1969a5df57
-
SHA1
6ac62ce5712c91fd6494c4bdf5b3830eaa7df698
-
SHA256
3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d
-
SHA512
3f475b0b3367c67113ba6fdbfc9fdb08ec7a59d1636927f864766b466e92f3d2adf8f84180f2a0d984aca41bfa7031c88adf3c9ee0ab2429e1981d32a81be5f0
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/1240-62-0x00000000749E0000-0x0000000074A0D000-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 784 wrote to memory of 1240 784 rundll32.exe rundll32.exe PID 784 wrote to memory of 1240 784 rundll32.exe rundll32.exe PID 784 wrote to memory of 1240 784 rundll32.exe rundll32.exe PID 784 wrote to memory of 1240 784 rundll32.exe rundll32.exe PID 784 wrote to memory of 1240 784 rundll32.exe rundll32.exe PID 784 wrote to memory of 1240 784 rundll32.exe rundll32.exe PID 784 wrote to memory of 1240 784 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d.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/1240-60-0x0000000000000000-mapping.dmp
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memory/1240-61-0x0000000075211000-0x0000000075213000-memory.dmpFilesize
8KB
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memory/1240-62-0x00000000749E0000-0x0000000074A0D000-memory.dmpFilesize
180KB
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memory/1240-64-0x0000000000150000-0x0000000000156000-memory.dmpFilesize
24KB