Analysis
-
max time kernel
33s -
max time network
40s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
27-07-2021 08:38
Static task
static1
Behavioral task
behavioral1
Sample
hsy_utu8_12u_v4.4.7.0.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
hsy_utu8_12u_v4.4.7.0.dll
-
Size
173KB
-
MD5
f6d7184a7a5ea749feb9d767ba4ef007
-
SHA1
fbbf4cd832b2dac5618d953e50a2f285ce529e39
-
SHA256
19224bfca1af04c5548f61f93877dfdda1194f9a3b018385d72e5bb96cc8b00d
-
SHA512
e80ee3f1c9f3b6fc4ac8107814a021648d3bd5fd5e0b1d517746f9256d8d3bcd0e633405b931b90c32522b272451d03d1b4d19840fa8700b81f6ec30b5245031
Malware Config
Extracted
Family
dridex
Botnet
22202
C2
45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1264-63-0x0000000074BE0000-0x0000000074C10000-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 1932 wrote to memory of 1264 1932 rundll32.exe rundll32.exe PID 1932 wrote to memory of 1264 1932 rundll32.exe rundll32.exe PID 1932 wrote to memory of 1264 1932 rundll32.exe rundll32.exe PID 1932 wrote to memory of 1264 1932 rundll32.exe rundll32.exe PID 1932 wrote to memory of 1264 1932 rundll32.exe rundll32.exe PID 1932 wrote to memory of 1264 1932 rundll32.exe rundll32.exe PID 1932 wrote to memory of 1264 1932 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0.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/1264-60-0x0000000000000000-mapping.dmp
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memory/1264-61-0x0000000075D51000-0x0000000075D53000-memory.dmpFilesize
8KB
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memory/1264-62-0x0000000000180000-0x0000000000186000-memory.dmpFilesize
24KB
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memory/1264-63-0x0000000074BE0000-0x0000000074C10000-memory.dmpFilesize
192KB