dridex | 3083f74f3cccbe22a51eb009af9991c263b52e857cf56f589560d4335bfdf7de

Analysis

max time kernel
25s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
10-08-2021 07:11

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General

Target

3083f74f3cccbe22a51eb009af9991c263b52e857cf56f589560d4335bfdf7de.dll
Size

184KB
MD5

5e6e2f9b9d86d1c29e9313755f54dea4
SHA1

2a6ff8bc964265d5c42e1ce05d5adf873fdec982
SHA256

3083f74f3cccbe22a51eb009af9991c263b52e857cf56f589560d4335bfdf7de
SHA512

f6bb40a1b8dcadc1d5075ab54b674b4f83979e08519d204a2012fd08d5dfe1b48b099d3e13df628588018ee3c1a0fe5cea530e879ec11df39cb0c24acef2a454

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/4784-115-0x0000000073C30000-0x0000000073C60000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3956 4784 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3956	4784	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe
3956	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3956 WerFault.exe
Token: SeBackupPrivilege 3956 WerFault.exe
Token: SeDebugPrivilege 3956 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3956	WerFault.exe
Token: SeBackupPrivilege	3956	WerFault.exe
Token: SeDebugPrivilege	3956	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4648 wrote to memory of 4784	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 4784	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 4784	4648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3083f74f3cccbe22a51eb009af9991c263b52e857cf56f589560d4335bfdf7de.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3083f74f3cccbe22a51eb009af9991c263b52e857cf56f589560d4335bfdf7de.dll,#1
2⤵
PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3956

MITRE ATT&CK Matrix

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Downloads

memory/4784-114-0x0000000000000000-mapping.dmp

Download
memory/4784-115-0x0000000073C30000-0x0000000073C60000-memory.dmp

Filesize
192KB

Download
memory/4784-117-0x00000000003F0000-0x00000000003F6000-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