dridex | fa4597b75c708c94cb5828dfd5883a7e1bb9a5b94e978aca1f77471f99c2a3e1

Analysis

Target
c5549043_by_Libranalysis.dll
Size 161KB
Sample210505-ldf25w4gn2
SHA256 fa4597b75c708c94cb5828dfd5883a7e1bb9a5b94e978aca1f77471f99c2a3e1
MD5 c5549043a9bd11b5d6258979ac09fd96
SHA1 091b353753f5238e88954965c81cdb0ca4762652
SHA512 6b7e205a27536bd3aec16f0a2b75f184e53c116ca2d7b1334b0db7a6b3ff10bbffb38a0bd635a2410f075c4480d803da4dcd11d8d4fb5e59bc7d700588e58393
MD5 SHA1 SHA512

Score

10^/10

Family

Botnet

rc4.plain

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

resource	yara_rule
behavioral1/memory/1976-62-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1136	1976	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 5 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1136	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1976	1100	rundll32.exe	26
PID 1100 wrote to memory of 1976	1100	rundll32.exe	26
PID 1100 wrote to memory of 1976	1100	rundll32.exe	26
PID 1100 wrote to memory of 1976	1100	rundll32.exe	26
PID 1100 wrote to memory of 1976	1100	rundll32.exe	26
PID 1100 wrote to memory of 1976	1100	rundll32.exe	26
PID 1100 wrote to memory of 1976	1100	rundll32.exe	26
PID 1976 wrote to memory of 1136	1976	rundll32.exe	30
PID 1976 wrote to memory of 1136	1976	rundll32.exe	30
PID 1976 wrote to memory of 1136	1976	rundll32.exe	30
PID 1976 wrote to memory of 1136	1976	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5549043_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5549043_by_Libranalysis.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 264
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1136

memory/1136-66-0x0000000000710000-0x0000000000711000-memory.dmp

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memory/1976-61-0x00000000757D1000-0x00000000757D3000-memory.dmp

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memory/1976-62-0x0000000010000000-0x000000001002E000-memory.dmp

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memory/1976-65-0x0000000000190000-0x0000000000196000-memory.dmp

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