dridex | 23876ce058703e3813be02cf9306ceeca7257ec92c16b18f1c74d716baa1be81

Analysis

max time kernel
17s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
10-06-2021 23:56

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General

Target

23876ce058703e3813be02cf9306ceeca7257ec92c16b18f1c74d716baa1be81.dll
Size

163KB
MD5

4790e03922d86275fc0094ef3bbb2ec4
SHA1

9166f23da73bfe02181d6332925d6ed600df4266
SHA256

23876ce058703e3813be02cf9306ceeca7257ec92c16b18f1c74d716baa1be81
SHA512

3862185124b9eb4c5bff6063ea8b711cf77598a0477ba34dea5aa4cd8e8910af56cd9e4a2e5da517bd44e15d23e4c92add408f8100438cc6d4fea4d1668c59b7

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/416-115-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3660 416 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3660	416	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe
3660	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3660 WerFault.exe
Token: SeBackupPrivilege 3660 WerFault.exe
Token: SeDebugPrivilege 3660 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3660	WerFault.exe
Token: SeBackupPrivilege	3660	WerFault.exe
Token: SeDebugPrivilege	3660	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2204 wrote to memory of 416	2204	rundll32.exe	rundll32.exe
PID 2204 wrote to memory of 416	2204	rundll32.exe	rundll32.exe
PID 2204 wrote to memory of 416	2204	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23876ce058703e3813be02cf9306ceeca7257ec92c16b18f1c74d716baa1be81.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23876ce058703e3813be02cf9306ceeca7257ec92c16b18f1c74d716baa1be81.dll,#1
2⤵
PID:416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 416 -s 720
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3660

MITRE ATT&CK Matrix

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Downloads

memory/416-114-0x0000000000000000-mapping.dmp

Download
memory/416-115-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/416-117-0x0000000003280000-0x0000000003286000-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