Analysis
-
max time kernel
237s -
max time network
259s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
26-06-2022 05:36
Static task
static1
Behavioral task
behavioral1
Sample
hu8y3z.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
-
Target
hu8y3z.dll
-
Size
476KB
-
MD5
cdf3b326951bd5cd55254e5599302183
-
SHA1
217316d0d637d818e2d2d22397222d715ed7b64c
-
SHA256
d0681c030a51811edc6f19b6cc418043ef928e251c681cdf75a05949f932340b
-
SHA512
e7d0f735dfd665199acbc0a0d409d5494ab9649cd97809cf7727aa8d86f2695fa516f42ad9943d59ff1754629900590081c2d63c38cfc6a856b6a4902f600071
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
23.246.204.126:443
151.106.39.36:8116
103.124.144.123:6891
172.105.78.60:4664
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral2/memory/2712-131-0x0000000075710000-0x0000000075789000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4896 2712 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1028 wrote to memory of 2712 1028 rundll32.exe rundll32.exe PID 1028 wrote to memory of 2712 1028 rundll32.exe rundll32.exe PID 1028 wrote to memory of 2712 1028 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hu8y3z.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hu8y3z.dll,#12⤵PID:2712
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 7003⤵
- Program crash
PID:4896
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2712 -ip 27121⤵PID:4428