Analysis
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max time kernel
27s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 11:21
Static task
static1
General
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Target
67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll
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Size
170KB
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MD5
6967591fcd139b186d74cf4cc69ca415
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SHA1
628335c3204d92111a50425040b4a84c49be4a4b
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SHA256
67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3
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SHA512
464d9f282a16d1969f828e24089acff34f20d50cc51b45062e0187637ebd612d424dc8071e99169b7542cdd58b0ceb499bec5e9e313a8227c134920442b9f324
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/1124-115-0x0000000074310000-0x0000000074340000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2176 1124 WerFault.exe 70 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe 2176 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2176 WerFault.exe Token: SeBackupPrivilege 2176 WerFault.exe Token: SeDebugPrivilege 2176 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3164 wrote to memory of 1124 3164 rundll32.exe 70 PID 3164 wrote to memory of 1124 3164 rundll32.exe 70 PID 3164 wrote to memory of 1124 3164 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3164 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\67c37ffac8d062f0728799e9660dd3c8ad255994baf1cdec969d179a3eac85f3.dll,#12⤵PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 6843⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2176
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