Analysis
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max time kernel
19s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 11:11
Static task
static1
General
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Target
4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll
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Size
170KB
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MD5
82a514b00e35e08e5a3217f360f65475
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SHA1
33d4af585293791e3c1d681d61db12a3d491dff5
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SHA256
4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8
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SHA512
2d371db7d24f9d9dbfd407e388d2a42235473df53da4d50f80e108a3ab5d35dc9bc4643c90b2ba6b07c2e03ecd5fe163aa0eb3de2b29e9974977c8f8ed84998d
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/4004-115-0x0000000074480000-0x00000000744B0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 3964 4004 WerFault.exe 69 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe 3964 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 3964 WerFault.exe Token: SeBackupPrivilege 3964 WerFault.exe Token: SeDebugPrivilege 3964 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4024 wrote to memory of 4004 4024 rundll32.exe 69 PID 4024 wrote to memory of 4004 4024 rundll32.exe 69 PID 4024 wrote to memory of 4004 4024 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab27050ae1fab3535c2bc9671532874b643f2f22ba7fa2ed2eca40d86c842e8.dll,#12⤵PID:4004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 6763⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3964
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