dridex | cbf8be917b0c7dae7e83cde3a781e8074022cc6dfa059d87c96895992b74736b

Analysis

max time kernel
18s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:35

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General

Target

cbf8be917b0c7dae7e83cde3a781e8074022cc6dfa059d87c96895992b74736b.dll
Size

174KB
MD5

2b93de9fb6b448ee31455917281973ab
SHA1

774db59d3d816d968d9f5669f03076bb90bffc6f
SHA256

cbf8be917b0c7dae7e83cde3a781e8074022cc6dfa059d87c96895992b74736b
SHA512

f657cd36872c39d3e48b3724e6332f7c0b28e19a550f747d552ba2e4aad8bb76ba6b61a77aae0baa27cc7adb46ea0157b98bdb88be4fece3c2db8f147df25d06

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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/3452-115-0x00000000742E0000-0x0000000074310000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3596 3452 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3596	3452	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3596 WerFault.exe
Token: SeBackupPrivilege 3596 WerFault.exe
Token: SeDebugPrivilege 3596 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3596	WerFault.exe
Token: SeBackupPrivilege	3596	WerFault.exe
Token: SeDebugPrivilege	3596	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4092 wrote to memory of 3452	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 3452	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 3452	4092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbf8be917b0c7dae7e83cde3a781e8074022cc6dfa059d87c96895992b74736b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbf8be917b0c7dae7e83cde3a781e8074022cc6dfa059d87c96895992b74736b.dll,#1
2⤵
PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3596

MITRE ATT&CK Matrix

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Downloads

memory/3452-114-0x0000000000000000-mapping.dmp

Download
memory/3452-115-0x00000000742E0000-0x0000000074310000-memory.dmp

Filesize
192KB

Download
memory/3452-117-0x0000000003370000-0x0000000003376000-memory.dmp

Filesize
24KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads