dridex | 7971753826c00e8e009154c86e228c2f15fc58a843bdc8e440ed40ae9e44252d

Analysis

max time kernel
300s
max time network
304s
platform
windows10_x64
resource
win10-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
behavioral2/memory/4192-116-0x0000000073DB0000-0x0000000073DDF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4016 4192 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4016	4192	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe
4016	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 4016 WerFault.exe
Token: SeBackupPrivilege 4016 WerFault.exe
Token: SeDebugPrivilege 4016 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	4016	WerFault.exe
Token: SeBackupPrivilege	4016	WerFault.exe
Token: SeDebugPrivilege	4016	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4188 wrote to memory of 4192	4188	rundll32.exe	rundll32.exe
PID 4188 wrote to memory of 4192	4188	rundll32.exe	rundll32.exe
PID 4188 wrote to memory of 4192	4188	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0_WPDSp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4188

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0_WPDSp.dll,#1
2⤵
PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4016

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4192-115-0x0000000000000000-mapping.dmp

Download
memory/4192-116-0x0000000073DB0000-0x0000000073DDF000-memory.dmp

Filesize
188KB

Download
memory/4192-118-0x0000000003370000-0x0000000003376000-memory.dmp

Filesize
24KB

Download