dridex | cef9b2939def86257411f5ddfd01e33daf3b4a28c84e2ebf22279c19904f9bf5

Analysis

max time kernel
24s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 00:36

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General

Target

cef9b2939def86257411f5ddfd01e33daf3b4a28c84e2ebf22279c19904f9bf5.dll
Size

170KB
MD5

4958ba79c4b23425969558db6d01e600
SHA1

c5fb5156c9131306284b66b56779c3bf37252faa
SHA256

cef9b2939def86257411f5ddfd01e33daf3b4a28c84e2ebf22279c19904f9bf5
SHA512

f862a50992024571f002ce15fd9ba6f1914eb25f45b5f5734dc656485e77e4b2364410eb5fe081e89c925d1705ba16f51e12ef7046780f9d869734a2f7960ffc

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1460 created 1044 1460 WerFault.exe rundll32.exe

description	pid	process	target process
PID 1460 created 1044	1460	WerFault.exe	rundll32.exe

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1044-115-0x00000000736D0000-0x00000000736FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1460 1044 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1460	1044	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1460 WerFault.exe
Token: SeBackupPrivilege 1460 WerFault.exe
Token: SeDebugPrivilege 1460 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1460	WerFault.exe
Token: SeBackupPrivilege	1460	WerFault.exe
Token: SeDebugPrivilege	1460	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 796 wrote to memory of 1044	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1044	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1044	796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cef9b2939def86257411f5ddfd01e33daf3b4a28c84e2ebf22279c19904f9bf5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cef9b2939def86257411f5ddfd01e33daf3b4a28c84e2ebf22279c19904f9bf5.dll,#1
2⤵
PID:1044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1460

MITRE ATT&CK Matrix

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Downloads

memory/1044-114-0x0000000000000000-mapping.dmp

Download
memory/1044-115-0x00000000736D0000-0x00000000736FF000-memory.dmp

Filesize
188KB

Download
memory/1044-117-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads