Analysis
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max time kernel
75s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
11-06-2022 16:41
Static task
static1
Behavioral task
behavioral1
Sample
ixk4h07y4.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
ixk4h07y4.dll
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Size
476KB
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MD5
0e078fcb83f7689e0a613d1e1f98592d
-
SHA1
02c9122c00abce3664344232be0d821647f5438d
-
SHA256
4cf90ed4044d8025261e4740f1b9a98ed5d2c63d9bd9758257bf0881b2e28aca
-
SHA512
e9ac5a2955c040120b0c2eaa4326226ebd4699e252bf69899faf366d2ac760c816888c91bb5bef6e5520736645d5f923f1c037c82cf90e981313c911a9ac81be
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 behavioral1/memory/828-56-0x0000000074C60000-0x0000000074CD9000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1060 828 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2008 wrote to memory of 828 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 828 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 828 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 828 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 828 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 828 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 828 2008 rundll32.exe rundll32.exe PID 828 wrote to memory of 1060 828 rundll32.exe WerFault.exe PID 828 wrote to memory of 1060 828 rundll32.exe WerFault.exe PID 828 wrote to memory of 1060 828 rundll32.exe WerFault.exe PID 828 wrote to memory of 1060 828 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ixk4h07y4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ixk4h07y4.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 828 -s 3443⤵
- Program crash
PID:1060
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/828-54-0x0000000000000000-mapping.dmp
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memory/828-55-0x00000000754A1000-0x00000000754A3000-memory.dmpFilesize
8KB
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memory/828-56-0x0000000074C60000-0x0000000074CD9000-memory.dmpFilesize
484KB
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memory/828-58-0x0000000000190000-0x0000000000196000-memory.dmpFilesize
24KB
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memory/1060-59-0x0000000000000000-mapping.dmp