Analysis
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max time kernel
133s -
max time network
37s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-07-2021 19:29
Static task
static1
Behavioral task
behavioral1
Sample
56c09545b796f22000b20c84bf6b505b.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
56c09545b796f22000b20c84bf6b505b.dll
-
Size
175KB
-
MD5
56c09545b796f22000b20c84bf6b505b
-
SHA1
ba7998c8dbf5acdd5226ed9e1a70a8ee14065aaa
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SHA256
f2c2d92afa0f167bd54c763fc8fc3377bb6b9f1105b4bd0760c5a19018c41c3c
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SHA512
ca029b9818130764f9c1393993a1527e1982c019233be156b54702e9ef37b19dc97c501ce2040ec4ed18a062ebbd49c840daa396b58e2325ba09abeff79871a1
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
178.238.236.59:443
104.245.52.73:5007
81.0.236.93:13786
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2012-62-0x0000000074BE0000-0x0000000074C10000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1740 2012 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1740 WerFault.exe 1740 WerFault.exe 1740 WerFault.exe 1740 WerFault.exe 1740 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1740 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1740 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1392 wrote to memory of 2012 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 2012 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 2012 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 2012 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 2012 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 2012 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 2012 1392 rundll32.exe rundll32.exe PID 2012 wrote to memory of 1740 2012 rundll32.exe WerFault.exe PID 2012 wrote to memory of 1740 2012 rundll32.exe WerFault.exe PID 2012 wrote to memory of 1740 2012 rundll32.exe WerFault.exe PID 2012 wrote to memory of 1740 2012 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\56c09545b796f22000b20c84bf6b505b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\56c09545b796f22000b20c84bf6b505b.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 2243⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1740
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1740-64-0x0000000000000000-mapping.dmp
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memory/1740-66-0x0000000000580000-0x0000000000581000-memory.dmpFilesize
4KB
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memory/2012-60-0x0000000000000000-mapping.dmp
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memory/2012-61-0x0000000075D51000-0x0000000075D53000-memory.dmpFilesize
8KB
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memory/2012-62-0x0000000074BE0000-0x0000000074C10000-memory.dmpFilesize
192KB
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memory/2012-65-0x00000000000B0000-0x00000000000B6000-memory.dmpFilesize
24KB