Analysis
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max time kernel
131s -
max time network
129s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03-03-2021 19:05
Static task
static1
Behavioral task
behavioral1
Sample
e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7.dll
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Size
188KB
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MD5
a00c75fc6f8bddc967df2583c162a787
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SHA1
c76425d50f2507f14f9eb1fc76bf1c5b889ecd5c
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SHA256
e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7
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SHA512
b63dca79981fe6e66f1571d77e7aa1d5038045278559872c94d45bc325843bbdd124b48800f5e85aadb9c5bcc3cce2ea8a0bc5f3cb25e90a9cfa944751e55140
Malware Config
Extracted
Family
dridex
Botnet
111
C2
116.251.211.158:443
216.10.242.142:6601
37.247.35.137:6601
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/2036-4-0x0000000074710000-0x0000000074741000-memory.dmp dridex_ldr behavioral1/memory/2036-6-0x0000000074710000-0x000000007472F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 5 2036 rundll32.exe 8 2036 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 1940 wrote to memory of 2036 1940 rundll32.exe rundll32.exe PID 1940 wrote to memory of 2036 1940 rundll32.exe rundll32.exe PID 1940 wrote to memory of 2036 1940 rundll32.exe rundll32.exe PID 1940 wrote to memory of 2036 1940 rundll32.exe rundll32.exe PID 1940 wrote to memory of 2036 1940 rundll32.exe rundll32.exe PID 1940 wrote to memory of 2036 1940 rundll32.exe rundll32.exe PID 1940 wrote to memory of 2036 1940 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e6e7f768a92fe4804147edb7318fd4aae2c046caae26aaef6123153fdb6f06a7.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2036
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1524-7-0x000007FEF7120000-0x000007FEF739A000-memory.dmpFilesize
2.5MB
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memory/2036-2-0x0000000000000000-mapping.dmp
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memory/2036-3-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB
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memory/2036-4-0x0000000074710000-0x0000000074741000-memory.dmpFilesize
196KB
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memory/2036-5-0x0000000000140000-0x0000000000146000-memory.dmpFilesize
24KB
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memory/2036-6-0x0000000074710000-0x000000007472F000-memory.dmpFilesize
124KB