dridex | 3ad1337e917555394932c271e50ef0c2d262ad92d9575215b4f407cb409c42ba

Analysis

max time kernel
16s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 22:07

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General

Target

3ad1337e917555394932c271e50ef0c2d262ad92d9575215b4f407cb409c42ba.dll
Size

163KB
MD5

b7d48b8d98b19d9477b4d6057550cb16
SHA1

8d5fe9f9be239283a1e335964633387dd55303d9
SHA256

3ad1337e917555394932c271e50ef0c2d262ad92d9575215b4f407cb409c42ba
SHA512

35503363cc914fe85cf9ede6788ce5710530f334baa06cb32267b2fba664d5ea729035fa8675394898b077646e4685150109825ffa76a027ee0981373dbc3595

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/1808-115-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3672 1808 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3672	1808	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe
3672	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3672 WerFault.exe
Token: SeBackupPrivilege 3672 WerFault.exe
Token: SeDebugPrivilege 3672 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3672	WerFault.exe
Token: SeBackupPrivilege	3672	WerFault.exe
Token: SeDebugPrivilege	3672	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4044 wrote to memory of 1808	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 1808	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 1808	4044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad1337e917555394932c271e50ef0c2d262ad92d9575215b4f407cb409c42ba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad1337e917555394932c271e50ef0c2d262ad92d9575215b4f407cb409c42ba.dll,#1
2⤵
PID:1808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 720
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3672

MITRE ATT&CK Matrix

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Downloads

memory/1808-114-0x0000000000000000-mapping.dmp

Download
memory/1808-115-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1808-117-0x0000000000D90000-0x0000000000D96000-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