Analysis
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max time kernel
26s -
max time network
94s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 11:17
Static task
static1
General
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Target
4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17.dll
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Size
170KB
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MD5
f82144ab012287ea030380054e4545a8
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SHA1
52195ba27f29dad90a7ab49d271744c78f5e757f
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SHA256
4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17
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SHA512
eb057ce3e196fc4645aae1ce5fed07d32ea2566bb3f8c74eb2f9d8cabd3c4f519553e897ea77711155d089a6645e75f644361e57d407c8af7104f3eafa7c8ef4
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/920-115-0x00000000744D0000-0x0000000074500000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2888 920 WerFault.exe 70 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe 2888 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2888 WerFault.exe Token: SeBackupPrivilege 2888 WerFault.exe Token: SeDebugPrivilege 2888 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 636 wrote to memory of 920 636 rundll32.exe 70 PID 636 wrote to memory of 920 636 rundll32.exe 70 PID 636 wrote to memory of 920 636 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17.dll,#12⤵PID:920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2888
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