dridex | d56ca9626b0b7984d84ee46f9b999b1e1b33a06bad2455b15663a47a271993a7

Analysis

max time kernel
40s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
22-09-2022 06:23

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General

Target

3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8.dll
Size

244KB
MD5

94395a29f0cf16cc80c2a1a4aee0d8d4
SHA1

c40574963b019d49fae4cffcefd970edf3957826
SHA256

3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8
SHA512

ca4fbefdfd4437f01d11545a28a3d21873f417a237a2e4a7e5c10abc2d59abbe5ffcdb146144e1c7dcfb304b9d747b119c8b1f0e72ac312c0a029cf12985d9f8
SSDEEP

3072:2EmMHLYjs2g+ciAlYDyOWIsh0pMf+66C4FxTdCU1byGkGcyXDTEXlDkr/:9rHL+tg+cGyZzheB6b4fJCwb8d0E

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

195.154.146.84:443

45.56.121.87:8116

157.245.222.44:5723

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1836-62-0x0000000074980000-0x00000000749BE000-memory.dmp	dridex_ldr
behavioral1/memory/1836-61-0x0000000074980000-0x00000000749AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1616 1836 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1616	1836	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1760 wrote to memory of 1836	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 1836	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 1836	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 1836	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 1836	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 1836	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 1836	1760	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 1616	1836	rundll32.exe	WerFault.exe
PID 1836 wrote to memory of 1616	1836	rundll32.exe	WerFault.exe
PID 1836 wrote to memory of 1616	1836	rundll32.exe	WerFault.exe
PID 1836 wrote to memory of 1616	1836	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 252
3⤵
- Program crash
PID:1616

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1616-63-0x0000000000000000-mapping.dmp

Download
memory/1836-54-0x0000000000000000-mapping.dmp

Download
memory/1836-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1836-56-0x0000000074980000-0x00000000749BE000-memory.dmp

Filesize
248KB

Download
memory/1836-60-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1836-62-0x0000000074980000-0x00000000749BE000-memory.dmp

Filesize
248KB

Download
memory/1836-61-0x0000000074980000-0x00000000749AF000-memory.dmp

Filesize
188KB

Download
memory/1836-64-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download