dridex | a6991cbbcf894e3036ce9513dfa591a189649c2f25c80f935e62eef966677f6e

Analysis

max time kernel
18s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
10-08-2021 06:19

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General

Target

a6991cbbcf894e3036ce9513dfa591a189649c2f25c80f935e62eef966677f6e.dll
Size

184KB
MD5

b064c99bc482e2a8a60c9fc738417e46
SHA1

c1f460ded0418b2c4a9ab7204d04cb1d0f634559
SHA256

a6991cbbcf894e3036ce9513dfa591a189649c2f25c80f935e62eef966677f6e
SHA512

a1db242e3e15756c36f00d622306685aff494e2a5c8a9599a2a5a37c57c258e80de4c8931a3a348864dc5b8bb3da81cb06cb119ee84017ef4ec7ca502a24a524

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/3148-115-0x0000000073DE0000-0x0000000073E10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2792 3148 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2792	3148	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe
2792	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2792 WerFault.exe
Token: SeBackupPrivilege 2792 WerFault.exe
Token: SeDebugPrivilege 2792 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2792	WerFault.exe
Token: SeBackupPrivilege	2792	WerFault.exe
Token: SeDebugPrivilege	2792	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3892 wrote to memory of 3148	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 3148	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 3148	3892	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6991cbbcf894e3036ce9513dfa591a189649c2f25c80f935e62eef966677f6e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6991cbbcf894e3036ce9513dfa591a189649c2f25c80f935e62eef966677f6e.dll,#1
2⤵
PID:3148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792

MITRE ATT&CK Matrix

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Downloads

memory/3148-114-0x0000000000000000-mapping.dmp

Download
memory/3148-115-0x0000000073DE0000-0x0000000073E10000-memory.dmp

Filesize
192KB

Download
memory/3148-117-0x0000000004AC0000-0x0000000004AC6000-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