dridex | 7e33d0ee0f81340cd8c39c7b1a655ba254fcf48f8cbf3535daa4e47aafd3f840

Analysis

max time kernel
19s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 15:49

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General

Target

7e33d0ee0f81340cd8c39c7b1a655ba254fcf48f8cbf3535daa4e47aafd3f840.dll
Size

160KB
MD5

d41381b760b7fa7dc6537471a47711be
SHA1

be3565f4e4fab3549abfc99bd3c8745eb6552b42
SHA256

7e33d0ee0f81340cd8c39c7b1a655ba254fcf48f8cbf3535daa4e47aafd3f840
SHA512

66bb4c5b36d40e869225566d38e2f77f8be816049c81b491e1c134b3e3e2006f075d0b95533d4d9f3d62dff23137650f3a422e4fed029311761101dcb31d3253

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3164-115-0x00000000741E0000-0x000000007420E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1016 wrote to memory of 3164	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 3164	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 3164	1016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e33d0ee0f81340cd8c39c7b1a655ba254fcf48f8cbf3535daa4e47aafd3f840.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e33d0ee0f81340cd8c39c7b1a655ba254fcf48f8cbf3535daa4e47aafd3f840.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3164

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3164-114-0x0000000000000000-mapping.dmp

Download
memory/3164-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Filesize
184KB

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memory/3164-117-0x0000000000DE0000-0x0000000000F2A000-memory.dmp

Filesize
1.3MB

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