Analysis
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max time kernel
27s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 15:42
Static task
static1
General
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Target
4bf7c2622db43c697cb7b9e84d250969a1caeb3561fe7b27ee798e3bd66716c5.dll
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Size
170KB
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MD5
0608c62c5ef39ac5b8337a32b93e327f
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SHA1
8cada8850d3e2676763ae0b55fc2482f2ecc081d
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SHA256
4bf7c2622db43c697cb7b9e84d250969a1caeb3561fe7b27ee798e3bd66716c5
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SHA512
cca19759f4a8842631cdd96ceb29bc2963a4e4fe2e8cda9c8f1c1ffa9c1d8e52a9252ae720602ad73163181b52c1262845bbef838b8ed3cbcbbe19880fe5c9e7
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 2316 1124 WerFault.exe 69 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe 2316 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2316 WerFault.exe Token: SeBackupPrivilege 2316 WerFault.exe Token: SeDebugPrivilege 2316 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 900 wrote to memory of 1124 900 rundll32.exe 69 PID 900 wrote to memory of 1124 900 rundll32.exe 69 PID 900 wrote to memory of 1124 900 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4bf7c2622db43c697cb7b9e84d250969a1caeb3561fe7b27ee798e3bd66716c5.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4bf7c2622db43c697cb7b9e84d250969a1caeb3561fe7b27ee798e3bd66716c5.dll,#12⤵PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2316
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