Analysis
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max time kernel
32s -
max time network
16s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 18:18
Static task
static1
Behavioral task
behavioral1
Sample
d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea.dll
-
Size
154KB
-
MD5
91309c0a617e662120395ab72b6e8bd4
-
SHA1
a12c7e440cebc710f11f55f5064f5147b73f9408
-
SHA256
d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea
-
SHA512
e08377f245c7a922bc9bf96aeebce6a7ef1f7b9c8daa5e554a9f9268226cc811c74d1f45e87f2c8ef80e260fc5af6d240414686ab57059c06978d70f6268c8db
Malware Config
Extracted
Family
dridex
Botnet
40111
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2000-61-0x00000000745F0000-0x000000007461D000-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 1088 wrote to memory of 2000 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2000 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2000 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2000 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2000 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2000 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 2000 1088 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d1df3e8637124157a4cddd727c15bc68734aee3b51d94a47aa7fcb18d8c2c9ea.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/2000-59-0x0000000000000000-mapping.dmp
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memory/2000-60-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/2000-61-0x00000000745F0000-0x000000007461D000-memory.dmpFilesize
180KB
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memory/2000-63-0x0000000000200000-0x0000000000206000-memory.dmpFilesize
24KB