Analysis
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max time kernel
30s -
max time network
11s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
04-05-2021 13:38
Static task
static1
Behavioral task
behavioral1
Sample
0250160df769fb2634616982476188a7ca4d58cc89e7cc1e81bbfaccb7582d28.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
0250160df769fb2634616982476188a7ca4d58cc89e7cc1e81bbfaccb7582d28.dll
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Size
160KB
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MD5
2dc106fa948ffd549f15b4461f01be3b
-
SHA1
9dee5892e50e488f516d634c8f77047f258d3bff
-
SHA256
0250160df769fb2634616982476188a7ca4d58cc89e7cc1e81bbfaccb7582d28
-
SHA512
5cbd2372cdb605b668b2a97e7ef404de9c85864aec1239248c028a9efd7c49383d3181f668275a2bb58c928d51d55abd5fe42fd0d6f99092eb9c01d7702d3c40
Malware Config
Extracted
Family
dridex
Botnet
40111
C2
94.247.168.64:443
159.203.93.122:8172
50.116.27.97:2303
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1996-62-0x00000000751B0000-0x00000000751DE000-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 1104 wrote to memory of 1996 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1996 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1996 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1996 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1996 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1996 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1996 1104 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0250160df769fb2634616982476188a7ca4d58cc89e7cc1e81bbfaccb7582d28.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0250160df769fb2634616982476188a7ca4d58cc89e7cc1e81bbfaccb7582d28.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/1996-60-0x0000000000000000-mapping.dmp
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memory/1996-61-0x0000000075DA1000-0x0000000075DA3000-memory.dmpFilesize
8KB
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memory/1996-62-0x00000000751B0000-0x00000000751DE000-memory.dmpFilesize
184KB
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memory/1996-64-0x0000000000190000-0x0000000000196000-memory.dmpFilesize
24KB