Analysis
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max time kernel
97s -
max time network
147s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
19-04-2021 18:03
Static task
static1
Behavioral task
behavioral1
Sample
ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206.dll
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Size
923KB
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MD5
81bf50c62c44ea1dcdee76fb4b53be02
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SHA1
8ef9e02547aadd569af2c3e7c405bba6abb399e4
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SHA256
ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206
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SHA512
ce681ffccfb90142f76f3fc66a2f71dabe58fc85751891b0105ddf9d3341c6ae251ecc7eaccd959c9d4068a625787f2a5be06947938484f32d7e9df88166f223
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 behavioral2/memory/4040-115-0x0000000073940000-0x000000007397D000-memory.dmp dridex_ldr behavioral2/memory/4040-116-0x0000000073940000-0x0000000073A40000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 17 4040 rundll32.exe 19 4040 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 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3892 wrote to memory of 4040 3892 rundll32.exe rundll32.exe PID 3892 wrote to memory of 4040 3892 rundll32.exe rundll32.exe PID 3892 wrote to memory of 4040 3892 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ea520beb36cc7906c7347d8e1eabbd79718e1e0cd96a58d081b7e7bb57353206.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/4040-114-0x0000000000000000-mapping.dmp
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memory/4040-115-0x0000000073940000-0x000000007397D000-memory.dmpFilesize
244KB
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memory/4040-116-0x0000000073940000-0x0000000073A40000-memory.dmpFilesize
1024KB
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memory/4040-118-0x00000000030E0000-0x00000000030E1000-memory.dmpFilesize
4KB
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memory/4040-119-0x0000000002DF0000-0x0000000002DF1000-memory.dmpFilesize
4KB