dridex | cf8e7d9092ffe768399139c549b410195cc361c1ca1108a7ac2b5ede3a335f8a

Analysis

max time kernel
47s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
22-09-2022 06:30

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General

Target

849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b.dll
Size

244KB
MD5

527acdff5f6083b091e9361ecc9bed36
SHA1

2028f4ccb2e8b95f296a3ea61d6be597303efba3
SHA256

849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b
SHA512

c691c182fd6fc03ae75d602bf4c6466128e16803cbfd8d55db9f3e41c35b602fd5214db03d0fd8a8e8d7bc58cf82f97f246ff8411c763b7a8cf586b34c9d0049
SSDEEP

3072:dmMHLYjs2g+ciAlYDyOWIsh0pMf+66C4FxTdCU1byGkGcyXDTERlDkr/:drHL+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/1972-62-0x0000000074CC0000-0x0000000074CFE000-memory.dmp	dridex_ldr
behavioral1/memory/1972-61-0x0000000074CC0000-0x0000000074CEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

556 1972 WerFault.exe rundll32.exe

pid	pid_target	process	target process
556	1972	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1880 wrote to memory of 1972	1880	rundll32.exe	rundll32.exe
PID 1880 wrote to memory of 1972	1880	rundll32.exe	rundll32.exe
PID 1880 wrote to memory of 1972	1880	rundll32.exe	rundll32.exe
PID 1880 wrote to memory of 1972	1880	rundll32.exe	rundll32.exe
PID 1880 wrote to memory of 1972	1880	rundll32.exe	rundll32.exe
PID 1880 wrote to memory of 1972	1880	rundll32.exe	rundll32.exe
PID 1880 wrote to memory of 1972	1880	rundll32.exe	rundll32.exe
PID 1972 wrote to memory of 556	1972	rundll32.exe	WerFault.exe
PID 1972 wrote to memory of 556	1972	rundll32.exe	WerFault.exe
PID 1972 wrote to memory of 556	1972	rundll32.exe	WerFault.exe
PID 1972 wrote to memory of 556	1972	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1880

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\849d3eb659fc41ba57098e5e48d694f5c4389cdb7157642b47fc1b0c6d75c00b.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 252
3⤵
- Program crash
PID:556

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/556-63-0x0000000000000000-mapping.dmp

Download
memory/1972-54-0x0000000000000000-mapping.dmp

Download
memory/1972-55-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1972-56-0x0000000074CC0000-0x0000000074CFE000-memory.dmp

Filesize
248KB

Download
memory/1972-60-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1972-62-0x0000000074CC0000-0x0000000074CFE000-memory.dmp

Filesize
248KB

Download
memory/1972-61-0x0000000074CC0000-0x0000000074CEF000-memory.dmp

Filesize
188KB

Download
memory/1972-64-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download