Analysis
-
max time kernel
25s -
max time network
49s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
27-07-2021 07:24
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
175KB
-
MD5
58bf730c02fb67e6de279877eb281925
-
SHA1
db2380c9d4e6ff9cd7dae6394f315753604adf6b
-
SHA256
fbd108648a43add9a2e400640f3e60a7f31971d748ad0e3f8531a17fa328e7c6
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SHA512
b56283bc1a3f440d118e3c07b33dae78b4aca822fb18d195ed6754934cc210314a770cfede8d05b64357d785e75314c19f52a0e5c3841a69ca114e7936fd395f
Malware Config
Extracted
Family
dridex
Botnet
22201
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/1656-61-0x00000000749B0000-0x00000000749E0000-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 332 wrote to memory of 1656 332 rundll32.exe rundll32.exe PID 332 wrote to memory of 1656 332 rundll32.exe rundll32.exe PID 332 wrote to memory of 1656 332 rundll32.exe rundll32.exe PID 332 wrote to memory of 1656 332 rundll32.exe rundll32.exe PID 332 wrote to memory of 1656 332 rundll32.exe rundll32.exe PID 332 wrote to memory of 1656 332 rundll32.exe rundll32.exe PID 332 wrote to memory of 1656 332 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/1656-59-0x0000000000000000-mapping.dmp
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memory/1656-60-0x0000000075FF1000-0x0000000075FF3000-memory.dmpFilesize
8KB
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memory/1656-61-0x00000000749B0000-0x00000000749E0000-memory.dmpFilesize
192KB
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memory/1656-63-0x0000000000240000-0x0000000000246000-memory.dmpFilesize
24KB