dridex | deb17df5c51fdea65b3d342426ab48560633ead10438762c9baec0aebecf2ad4

Analysis

max time kernel
136s
max time network
121s
platform
windows7_x64
resource
win7-en-20211014
submitted
21-10-2021 14:01

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General

Target

8_System.ServiceModel.Channels.ni.dll
Size

180KB
MD5

af32e0c03835e1d21cb9c23dffb94198
SHA1

ab7f8557a2d75c313f79ae3f0a4d090d74ba30d1
SHA256

deb17df5c51fdea65b3d342426ab48560633ead10438762c9baec0aebecf2ad4
SHA512

8d3eb4269b33514442d04b8aabe2ed173f9c6179bccf3bf8ab285ae10236b17d20564f7d5da15390da45d6a29518696f0d071eb9133d36af2048f764ea88d5e8

Score

10^/10

dridex 22202 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22202

155.138.203.91:443

207.180.220.242:8116

46.101.142.214:6891

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/464-57-0x0000000074790000-0x00000000747BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1744 464 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1744 WerFault.exe
1744 WerFault.exe
1744 WerFault.exe
1744 WerFault.exe
1744 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1744 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1744 WerFault.exe

pid	pid_target	process	target process
1744	464	WerFault.exe	rundll32.exe

pid	process
1744	WerFault.exe
1744	WerFault.exe
1744	WerFault.exe
1744	WerFault.exe
1744	WerFault.exe

pid	process
1744	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1744	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 672 wrote to memory of 464	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 464	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 464	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 464	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 464	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 464	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 464	672	rundll32.exe	rundll32.exe
PID 464 wrote to memory of 1744	464	rundll32.exe	WerFault.exe
PID 464 wrote to memory of 1744	464	rundll32.exe	WerFault.exe
PID 464 wrote to memory of 1744	464	rundll32.exe	WerFault.exe
PID 464 wrote to memory of 1744	464	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8_System.ServiceModel.Channels.ni.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8_System.ServiceModel.Channels.ni.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 252
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1744

MITRE ATT&CK Matrix

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Downloads

memory/464-55-0x0000000000000000-mapping.dmp

Download
memory/464-56-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/464-57-0x0000000074790000-0x00000000747BF000-memory.dmp

Filesize
188KB

Download
memory/464-60-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1744-59-0x0000000000000000-mapping.dmp

Download
memory/1744-62-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download