Analysis
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max time kernel
16s -
max time network
125s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 15:32
Static task
static1
General
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Target
8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf.dll
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Size
170KB
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MD5
ca2b721fad6bb4c60877f6a1bec6408c
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SHA1
86db2116a2b911a9c421b732379e95534c5bcc70
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SHA256
8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf
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SHA512
cb1e521040a3d0f1e844def5fcbc9e9c4c46d4e70b9823a3fc329c148887e9991b3ee016cd506d020e38eae61c13b6edf98d532d2c3b25b54ca9ee1925972154
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
128.199.200.38:443
192.163.233.216:6601
43.229.206.244:4125
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/3076-115-0x0000000074380000-0x00000000743B0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1540 3076 WerFault.exe 69 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe 1540 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1540 WerFault.exe Token: SeBackupPrivilege 1540 WerFault.exe Token: SeDebugPrivilege 1540 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3856 wrote to memory of 3076 3856 rundll32.exe 69 PID 3856 wrote to memory of 3076 3856 rundll32.exe 69 PID 3856 wrote to memory of 3076 3856 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8a652648983472d1c527f8f16de162698a598c2acd4b2c38d041aa060dc3cfbf.dll,#12⤵PID:3076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540
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