Analysis
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max time kernel
25s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 11:28
Static task
static1
General
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Target
4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b.dll
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Size
170KB
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MD5
a57abb471c8f4e6b59b42a5292dc289a
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SHA1
eec8d18237f735c00deb4499292562f1690a1106
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SHA256
4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b
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SHA512
41a6a26551fa4b729da6097893e88639b5f85ef2e650ef51843f4fb391f175c3eff9ff55b283c9dbd2371db89a1cf8f66404da0ee0cdae4351e677527bdc0eaf
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/1260-115-0x00000000735F0000-0x0000000073620000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2532 1260 WerFault.exe 70 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe 2532 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2532 WerFault.exe Token: SeBackupPrivilege 2532 WerFault.exe Token: SeDebugPrivilege 2532 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 660 wrote to memory of 1260 660 rundll32.exe 70 PID 660 wrote to memory of 1260 660 rundll32.exe 70 PID 660 wrote to memory of 1260 660 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:660 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b.dll,#12⤵PID:1260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 6843⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532
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