Analysis
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max time kernel
136s -
max time network
137s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
19-04-2021 16:21
Static task
static1
Behavioral task
behavioral1
Sample
6cd9cad16dc13c962858b01f7c70877861ffb1b89709de238d04b0e50265994c.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
6cd9cad16dc13c962858b01f7c70877861ffb1b89709de238d04b0e50265994c.dll
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Size
639KB
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MD5
1aeafb870a6d24b7fa6d12d50aea462e
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SHA1
2bd62d1a11c75d92fc9fbf6624dc7fb430a3728f
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SHA256
6cd9cad16dc13c962858b01f7c70877861ffb1b89709de238d04b0e50265994c
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SHA512
e71aadbde572530c53064722c4502f95ff75c80638047005219db85d714d456908ab280971c3ff1674dba655be3afcf07bff5c213d7bba2ed74a1dc624192ab4
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
146.185.170.249:443
62.75.251.60:6601
185.148.168.25:2303
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/2008-62-0x0000000074B50000-0x0000000074C13000-memory.dmp dridex_ldr behavioral1/memory/2008-61-0x0000000074B50000-0x0000000074B8D000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 6 2008 rundll32.exe 8 2008 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 1088 wrote to memory of 2008 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2008 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2008 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2008 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2008 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2008 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2008 1088 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd9cad16dc13c962858b01f7c70877861ffb1b89709de238d04b0e50265994c.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd9cad16dc13c962858b01f7c70877861ffb1b89709de238d04b0e50265994c.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2008-59-0x0000000000000000-mapping.dmp
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memory/2008-60-0x00000000753B1000-0x00000000753B3000-memory.dmpFilesize
8KB
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memory/2008-62-0x0000000074B50000-0x0000000074C13000-memory.dmpFilesize
780KB
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memory/2008-61-0x0000000074B50000-0x0000000074B8D000-memory.dmpFilesize
244KB
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memory/2008-63-0x00000000001C0000-0x00000000001C1000-memory.dmpFilesize
4KB