dridex | db555bf31a1be6770e5edbe8c30ca5dc4130538c9f04c621dbecb356c6ae96e5

Analysis

max time kernel
17s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 03:35

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General

Target

db555bf31a1be6770e5edbe8c30ca5dc4130538c9f04c621dbecb356c6ae96e5.dll
Size

170KB
MD5

6635c09177936a783fe7e11235332992
SHA1

4916bea555a07fd7ea4f285c7b8d78f7ccae5ec2
SHA256

db555bf31a1be6770e5edbe8c30ca5dc4130538c9f04c621dbecb356c6ae96e5
SHA512

4a63bf047a4884790f331a350704b8b06671ad153df93022fac8fa8ec79609dde0cfb389a93c5ab3a1c4e31ed0aaf513a8a0e3753b1deb164ca0c2552e159fc3

Score

10^/10

dridex 40112 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

40112

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/3464-115-0x0000000074090000-0x00000000740C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2664 3464 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2664	3464	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2664 WerFault.exe
Token: SeBackupPrivilege 2664 WerFault.exe
Token: SeDebugPrivilege 2664 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2664	WerFault.exe
Token: SeBackupPrivilege	2664	WerFault.exe
Token: SeDebugPrivilege	2664	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3896 wrote to memory of 3464	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3464	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3464	3896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db555bf31a1be6770e5edbe8c30ca5dc4130538c9f04c621dbecb356c6ae96e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3896

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db555bf31a1be6770e5edbe8c30ca5dc4130538c9f04c621dbecb356c6ae96e5.dll,#1
2⤵
PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 680
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664

MITRE ATT&CK Matrix

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Downloads

memory/3464-114-0x0000000000000000-mapping.dmp

Download
memory/3464-115-0x0000000074090000-0x00000000740C0000-memory.dmp

Filesize
192KB

Download
memory/3464-117-0x0000000000910000-0x0000000000916000-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