Analysis
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max time kernel
122s -
max time network
123s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
19-04-2021 17:23
Static task
static1
Behavioral task
behavioral1
Sample
880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe.dll
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Size
923KB
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MD5
6dad96aade76f63693114c2971555044
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SHA1
59b8d649a9951971b1a4d16b07e3145f996f896d
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SHA256
880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe
-
SHA512
43009dc36f50b7baa2e4e84336872a1f66411da78c64bd8ae951899cae85bd219d307de16c23d2319a41ea1738e2b3cfffa8a93964c1be91072ef4f9ab12c0c9
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/3692-115-0x00000000738E0000-0x000000007391D000-memory.dmp dridex_ldr behavioral2/memory/3692-116-0x00000000738E0000-0x00000000739E0000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 15 3692 rundll32.exe 17 3692 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 1808 wrote to memory of 3692 1808 rundll32.exe rundll32.exe PID 1808 wrote to memory of 3692 1808 rundll32.exe rundll32.exe PID 1808 wrote to memory of 3692 1808 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe.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/3692-114-0x0000000000000000-mapping.dmp
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memory/3692-115-0x00000000738E0000-0x000000007391D000-memory.dmpFilesize
244KB
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memory/3692-116-0x00000000738E0000-0x00000000739E0000-memory.dmpFilesize
1024KB
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memory/3692-118-0x0000000003200000-0x0000000003201000-memory.dmpFilesize
4KB
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memory/3692-119-0x0000000002FF0000-0x0000000002FF1000-memory.dmpFilesize
4KB