Analysis
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max time kernel
25s -
max time network
119s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 15:25
Static task
static1
General
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Target
bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f.dll
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Size
170KB
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MD5
f91354e73ce8039b3be0763a249f4f9c
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SHA1
b11979516aae712a7542428cb32f601cebe34c8f
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SHA256
bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f
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SHA512
022b73a04134e91a7459df55c1f14fa04e5ecb62cb65d1b01096b19893471f1541131e45fe676d4769f9a511c150b352596fb1c942babc6fe4421c63819ac476
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/508-115-0x0000000073F20000-0x0000000073F50000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1812 508 WerFault.exe 69 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe 1812 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1812 WerFault.exe Token: SeBackupPrivilege 1812 WerFault.exe Token: SeDebugPrivilege 1812 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4064 wrote to memory of 508 4064 rundll32.exe 69 PID 4064 wrote to memory of 508 4064 rundll32.exe 69 PID 4064 wrote to memory of 508 4064 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bd74f32bbc991f8d39dcb03f768dee82940ac6502dfb84986c1022077ad5c80f.dll,#12⤵PID:508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 508 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1812
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