dridex | 07bf10a4d9562de9b3e5e2f93b7a6c323c1695a0d37456d22b4fd8d0e4dfbbe2

Analysis

Target
SecuriteInfo.com.Variant.Fragtor.44159.9257.13268.dll
Size 768KB
Sample211124-vbn52sdbgm
SHA256 07bf10a4d9562de9b3e5e2f93b7a6c323c1695a0d37456d22b4fd8d0e4dfbbe2
MD5 2b8681f61b27637fad4a869f6919ae8c
SHA1 640161f8f6e6343cae2793590a5d27e5b0978ca2
SHA512 df07df2631ab3d4f5d1fcc5a292e5cbb30ac00b5bd7898ef6fa435c98f331326ec6e0b7e645bd2365951bf3fa78b439d0d72b21e3a475002ffface5e6f15b3ea
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/1048-57-0x00000000752A0000-0x0000000075362000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
324	1048	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 5 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
324	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1048	1744	rundll32.exe	27
PID 1744 wrote to memory of 1048	1744	rundll32.exe	27
PID 1744 wrote to memory of 1048	1744	rundll32.exe	27
PID 1744 wrote to memory of 1048	1744	rundll32.exe	27
PID 1744 wrote to memory of 1048	1744	rundll32.exe	27
PID 1744 wrote to memory of 1048	1744	rundll32.exe	27
PID 1744 wrote to memory of 1048	1744	rundll32.exe	27
PID 1048 wrote to memory of 324	1048	rundll32.exe	29
PID 1048 wrote to memory of 324	1048	rundll32.exe	29
PID 1048 wrote to memory of 324	1048	rundll32.exe	29
PID 1048 wrote to memory of 324	1048	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Fragtor.44159.9257.13268.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Fragtor.44159.9257.13268.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 264
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:324

memory/324-61-0x00000000005A0000-0x00000000005A1000-memory.dmp

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memory/1048-56-0x0000000075B71000-0x0000000075B73000-memory.dmp

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memory/1048-57-0x00000000752A0000-0x0000000075362000-memory.dmp

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memory/1048-60-0x0000000000270000-0x0000000000276000-memory.dmp

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