dridex | 7971753826c00e8e009154c86e228c2f15fc58a843bdc8e440ed40ae9e44252d

Analysis

max time kernel
241s
max time network
280s
platform
windows7_x64
resource
win7-en-20210920
submitted
21-10-2021 17:05

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General

Target

0_WPDSp.dll
Size

180KB
MD5

8bbac1f6e64537bd91f903994912dc96
SHA1

9099279d268d3b3ded00bcc5294b8df79b7a6abe
SHA256

12627600a70bff6a42e8319f71a2221338ff54332afbf6ae28f130f2cfde630b
SHA512

4684a015de4a1bc2852000624adbd3243db72d3d544636c1713a475a71bc407707a8a6509fa956b5dc5bd071ca7e09ee33f4cde48baf62ff5d0ecb2725fb4b8f

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

212.237.17.99:443

176.28.17.160:6602

51.254.140.238:8333

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

Processes:

resource	yara_rule
behavioral1/memory/472-56-0x0000000074950000-0x000000007497F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1324 472 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

1324 WerFault.exe
1324 WerFault.exe
1324 WerFault.exe
1324 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1324 WerFault.exe

pid	pid_target	process	target process
1324	472	WerFault.exe	rundll32.exe

pid	process
1324	WerFault.exe
1324	WerFault.exe
1324	WerFault.exe
1324	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1324	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 524 wrote to memory of 472	524	rundll32.exe	rundll32.exe
PID 524 wrote to memory of 472	524	rundll32.exe	rundll32.exe
PID 524 wrote to memory of 472	524	rundll32.exe	rundll32.exe
PID 524 wrote to memory of 472	524	rundll32.exe	rundll32.exe
PID 524 wrote to memory of 472	524	rundll32.exe	rundll32.exe
PID 524 wrote to memory of 472	524	rundll32.exe	rundll32.exe
PID 524 wrote to memory of 472	524	rundll32.exe	rundll32.exe
PID 472 wrote to memory of 1324	472	rundll32.exe	WerFault.exe
PID 472 wrote to memory of 1324	472	rundll32.exe	WerFault.exe
PID 472 wrote to memory of 1324	472	rundll32.exe	WerFault.exe
PID 472 wrote to memory of 1324	472	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0_WPDSp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0_WPDSp.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 472 -s 252
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324

MITRE ATT&CK Matrix

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Downloads

memory/472-54-0x0000000000000000-mapping.dmp

Download
memory/472-55-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/472-56-0x0000000074950000-0x000000007497F000-memory.dmp

Filesize
188KB

Download
memory/472-59-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1324-58-0x0000000000000000-mapping.dmp

Download
memory/1324-60-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download