dridex | dbc4b7d8a559c5ddb6100e820132e8dace4d2f12fd04beb597df6927e5dfbdc8

Analysis

Target
7e4a9df3_by_Libranalysis.dll
Size 162KB
Sample210510-csemazzfx6
SHA256 dbc4b7d8a559c5ddb6100e820132e8dace4d2f12fd04beb597df6927e5dfbdc8
MD5 7e4a9df3582d69eb7e47bd45e3bfa3aa
SHA1 9324f612877b4f773fd996a6715e106ac3fc741b
SHA512 3f63b926261c42c6d942f7e612aa495d77d3049aed9ca2a7872663fb859dd4b5bc3647b64e46b1d8a7c1e2cd8786b3def17301d1ab9680dc5582cac95f4a510a
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/1336-62-0x0000000010000000-0x000000001002D000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1576	1336	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 5 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1576	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1336	1084	rundll32.exe	26
PID 1084 wrote to memory of 1336	1084	rundll32.exe	26
PID 1084 wrote to memory of 1336	1084	rundll32.exe	26
PID 1084 wrote to memory of 1336	1084	rundll32.exe	26
PID 1084 wrote to memory of 1336	1084	rundll32.exe	26
PID 1084 wrote to memory of 1336	1084	rundll32.exe	26
PID 1084 wrote to memory of 1336	1084	rundll32.exe	26
PID 1336 wrote to memory of 1576	1336	rundll32.exe	30
PID 1336 wrote to memory of 1576	1336	rundll32.exe	30
PID 1336 wrote to memory of 1576	1336	rundll32.exe	30
PID 1336 wrote to memory of 1576	1336	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e4a9df3_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e4a9df3_by_Libranalysis.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1336 -s 264
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1576

memory/1336-61-0x00000000752F1000-0x00000000752F3000-memory.dmp

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memory/1336-62-0x0000000010000000-0x000000001002D000-memory.dmp

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memory/1336-65-0x00000000001D0000-0x00000000001D6000-memory.dmp

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memory/1576-66-0x0000000000800000-0x0000000000860000-memory.dmp

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