dridex | 87046bd22099a12e0bf795f5068d330af93f8d7cb9af27d4016dceb7b82c6a49

Analysis

max time kernel
122s
max time network
125s
platform
windows10_x64
resource
win10-en-20210920
submitted
18-10-2021 20:37

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General

Target

87046bd22099a12e0bf795f5068d330af93f8d7cb9af27d4016dceb7b82c6a49.dll
Size

244KB
MD5

0ff2c4b04a4f31bb7ec8c88ad9c06c14
SHA1

330a37fdcafea1cacd10ad7393bc472bb2e03d9a
SHA256

87046bd22099a12e0bf795f5068d330af93f8d7cb9af27d4016dceb7b82c6a49
SHA512

1f5b3da0bb89ff654e79aa4134035b05b12fa7694d5a8464c3e2975f4abccadf953f7488b17634ab97201216533b61dd2fc359d18c24127e0f02268675aa73ef

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/2512-121-0x00000000744D0000-0x000000007450E000-memory.dmp	dridex_ldr
behavioral1/memory/2512-120-0x00000000744D0000-0x00000000744FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2688 2512 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2688	2512	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2688 WerFault.exe
Token: SeBackupPrivilege 2688 WerFault.exe
Token: SeDebugPrivilege 2688 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2688	WerFault.exe
Token: SeBackupPrivilege	2688	WerFault.exe
Token: SeDebugPrivilege	2688	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2468 wrote to memory of 2512	2468	rundll32.exe	rundll32.exe
PID 2468 wrote to memory of 2512	2468	rundll32.exe	rundll32.exe
PID 2468 wrote to memory of 2512	2468	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87046bd22099a12e0bf795f5068d330af93f8d7cb9af27d4016dceb7b82c6a49.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87046bd22099a12e0bf795f5068d330af93f8d7cb9af27d4016dceb7b82c6a49.dll,#1
2⤵
PID:2512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2688

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2512-115-0x0000000000000000-mapping.dmp

Download
memory/2512-116-0x00000000744D0000-0x000000007450E000-memory.dmp

Filesize
248KB

Download
memory/2512-119-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2512-121-0x00000000744D0000-0x000000007450E000-memory.dmp

Filesize
248KB

Download
memory/2512-120-0x00000000744D0000-0x00000000744FF000-memory.dmp

Filesize
188KB

Download
memory/2512-122-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download