dridex | 3c973145f59f2676b697315bccf0e532fa1e94abee4f8d9c6195a2eaaecddef6

Analysis

max time kernel
45s
max time network
50s
platform
windows7_x64
resource
win7-20220414-en
submitted
03-07-2022 06:58

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General

Target

3c973145f59f2676b697315bccf0e532fa1e94abee4f8d9c6195a2eaaecddef6.dll
Size

496KB
MD5

5b28c15f07945e94eeb6bfdd9bf27a3b
SHA1

999ed45d2cf15e138bb61eda6bb21988d4bc20a4
SHA256

3c973145f59f2676b697315bccf0e532fa1e94abee4f8d9c6195a2eaaecddef6
SHA512

7e842887e4b13a53d381245cf03d6f78cd99372d861bea25d5f97f1f5b4a4f3c238ebb03e0afea86c94318f070f1900274eca54cbcd6992af010c63cf13690ec

Score

10^/10

dridex botnet loader

Malware Config

Extracted

Family

dridex

176.126.243.82:443

167.114.122.37:691

66.34.201.20:8443

46.105.111.191:691

Signatures

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

Dridex Loader 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1824-59-0x0000000001FE0000-0x0000000002001000-memory.dmp	dridex_ldr
behavioral1/memory/1824-60-0x0000000001FE0000-0x0000000002965000-memory.dmp	dridex_ldr
behavioral1/memory/1824-62-0x0000000001FE0000-0x0000000002965000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c973145f59f2676b697315bccf0e532fa1e94abee4f8d9c6195a2eaaecddef6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c973145f59f2676b697315bccf0e532fa1e94abee4f8d9c6195a2eaaecddef6.dll,#1
2⤵
PID:1824

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1824-54-0x0000000000000000-mapping.dmp

Download
memory/1824-55-0x00000000768D1000-0x00000000768D3000-memory.dmp

Filesize
8KB

Download
memory/1824-56-0x0000000001FE0000-0x0000000002965000-memory.dmp

Filesize
9.5MB

Download
memory/1824-58-0x0000000001FE0000-0x0000000002965000-memory.dmp

Filesize
9.5MB

Download
memory/1824-59-0x0000000001FE0000-0x0000000002001000-memory.dmp

Filesize
132KB

Download
memory/1824-60-0x0000000001FE0000-0x0000000002965000-memory.dmp

Filesize
9.5MB

Download
memory/1824-62-0x0000000001FE0000-0x0000000002965000-memory.dmp

Filesize
9.5MB

Download