dridex | d3c136873064a4b749d05a6b3af3bb6ba69512bb1e4ebb8175b7e6c763d5b3ce

Analysis

max time kernel
28s
max time network
11s
platform
windows7_x64
resource
win7v20201028
submitted
24/02/2021, 15:37

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General

Target
d3c136873064a4b749d05a6b3af3bb6ba69512bb1e4ebb8175b7e6c763d5b3ce.dll
Size 188KB
Sample210224-dpfntht376
SHA256 d3c136873064a4b749d05a6b3af3bb6ba69512bb1e4ebb8175b7e6c763d5b3ce
MD5 5cccdad923bbfc1c68c5e7b9534806b7
SHA1 0d1ffe62f7c2b6dadac12b55bb1acd5df6ee7715
SHA512 62b1eb1deb3f6dbc960cc82ce62d38eecf81805519b1f90b8f047616711f47119a5b7c18e45431cd49f531bfcfbee4cebade34a44028ffbccadff54cf05d17e9
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

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.

botnet loader

resource	yara_rule
behavioral1/memory/1204-5-0x0000000074E60000-0x0000000074E91000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1688	1204	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1688	WerFault.exe
1688	WerFault.exe
1688	WerFault.exe
1688	WerFault.exe
1688	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1204	1716	rundll32.exe	26
PID 1716 wrote to memory of 1204	1716	rundll32.exe	26
PID 1716 wrote to memory of 1204	1716	rundll32.exe	26
PID 1716 wrote to memory of 1204	1716	rundll32.exe	26
PID 1716 wrote to memory of 1204	1716	rundll32.exe	26
PID 1716 wrote to memory of 1204	1716	rundll32.exe	26
PID 1716 wrote to memory of 1204	1716	rundll32.exe	26
PID 1204 wrote to memory of 1688	1204	rundll32.exe	30
PID 1204 wrote to memory of 1688	1204	rundll32.exe	30
PID 1204 wrote to memory of 1688	1204	rundll32.exe	30
PID 1204 wrote to memory of 1688	1204	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3c136873064a4b749d05a6b3af3bb6ba69512bb1e4ebb8175b7e6c763d5b3ce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3c136873064a4b749d05a6b3af3bb6ba69512bb1e4ebb8175b7e6c763d5b3ce.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 352
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1688

Network

MITRE ATT&CK Matrix

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Downloads

memory/1204-3-0x00000000766F1000-0x00000000766F3000-memory.dmp

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memory/1204-4-0x0000000074AF0000-0x0000000074C93000-memory.dmp

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memory/1204-5-0x0000000074E60000-0x0000000074E91000-memory.dmp

Download

memory/1204-6-0x0000000000130000-0x0000000000136000-memory.dmp

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memory/1688-8-0x0000000000900000-0x0000000000911000-memory.dmp

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memory/1688-9-0x0000000000480000-0x0000000000481000-memory.dmp

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