dridex | 244ee8c71177960a5ebec6ec24bbdbfc751087e48f2fa8a1013dc2a5248def19

Analysis

max time kernel
18s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:28

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General

Target

244ee8c71177960a5ebec6ec24bbdbfc751087e48f2fa8a1013dc2a5248def19.dll
Size

170KB
MD5

c15cc43042cfb65c583e3bf186b43c54
SHA1

01b985718e93a76f735fe4b72c0128cb6ce038fa
SHA256

244ee8c71177960a5ebec6ec24bbdbfc751087e48f2fa8a1013dc2a5248def19
SHA512

e4300705ebbcdcf421dfca8e3a67c71c7bc1b4b53fb93014bdeb4a777df8fb0db49df6f609d6aad9889b212b5d878a7abe9de61f92e1b754623fed3971393ae3

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 3856 created 3332 3856 WerFault.exe rundll32.exe

description	pid	process	target process
PID 3856 created 3332	3856	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/3332-115-0x0000000073A70000-0x0000000073A9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3856 3332 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3856	3332	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe
3856	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3856 WerFault.exe
Token: SeBackupPrivilege 3856 WerFault.exe
Token: SeDebugPrivilege 3856 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3856	WerFault.exe
Token: SeBackupPrivilege	3856	WerFault.exe
Token: SeDebugPrivilege	3856	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4024 wrote to memory of 3332	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3332	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3332	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\244ee8c71177960a5ebec6ec24bbdbfc751087e48f2fa8a1013dc2a5248def19.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\244ee8c71177960a5ebec6ec24bbdbfc751087e48f2fa8a1013dc2a5248def19.dll,#1
2⤵
PID:3332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3856

MITRE ATT&CK Matrix

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Downloads

memory/3332-114-0x0000000000000000-mapping.dmp

Download
memory/3332-115-0x0000000073A70000-0x0000000073A9F000-memory.dmp

Filesize
188KB

Download
memory/3332-117-0x0000000000E00000-0x0000000000EAE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads