Analysis
- max time kernel
139s - max time network
150s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
20/12/2021, 17:13
Static task
static1
Behavioral task
behavioral1
Sample
f4722985d67aea925ddf2d1fa233c288.dll
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target f4722985d67aea925ddf2d1fa233c288.dll
- Size 512KB
- Sample211220-vreasabcg2
- SHA256 85890ee7659c717dfbddc97ffbcd01b495d3a28c728b35cf1cd6ac1ebd306c92
- MD5 f4722985d67aea925ddf2d1fa233c288
- SHA1 689bbe120a842820ca7e1332d706b001caa2e068
- SHA512 e3cf21f65a0217624b44f65f1ab02325818670f3dfcf74b150df5a68ab8705d720b736503ea94f6ea861f92e61f7489383603efb72c812e41351ad62b88318a2
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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dridex
Botnet
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22203
C2
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51.159.52.196:443
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134.209.247.135:6602
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194.233.68.48:5228
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89.31.56.58:593
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral2/memory/2116-116-0x0000000073840000-0x00000000738C1000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 1528 2116 WerFault.exe 68 - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe 1528 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1528 WerFault.exe Token: SeBackupPrivilege 1528 WerFault.exe Token: SeDebugPrivilege 1528 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3724 wrote to memory of 2116 3724 rundll32.exe 68 PID 3724 wrote to memory of 2116 3724 rundll32.exe 68 PID 3724 wrote to memory of 2116 3724 rundll32.exe 68
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f4722985d67aea925ddf2d1fa233c288.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f4722985d67aea925ddf2d1fa233c288.dll,#12⤵PID:2116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528
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