dridex | 777bf6a6c093caaa279b3612af56e4ae7ff221e4070920d2aa3d16476a9f3724

Analysis

max time kernel
26s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 18:28

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General

Target

777bf6a6c093caaa279b3612af56e4ae7ff221e4070920d2aa3d16476a9f3724.dll
Size

160KB
MD5

6edffe16fbde9873c2b81ea9b5afdbb5
SHA1

f61d15d9753376791db767fdf7f01d89405b0665
SHA256

777bf6a6c093caaa279b3612af56e4ae7ff221e4070920d2aa3d16476a9f3724
SHA512

95b153bf1689e45613e11bb5bac0e786eecc4d623bf64aed39813b20c79aa63a8793fba406514002b0282e981bbe33de4b48bd6c67b08a397bda287fdd399999

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/1012-115-0x0000000074450000-0x000000007447E000-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 656 wrote to memory of 1012	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1012	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1012	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\777bf6a6c093caaa279b3612af56e4ae7ff221e4070920d2aa3d16476a9f3724.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\777bf6a6c093caaa279b3612af56e4ae7ff221e4070920d2aa3d16476a9f3724.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1012

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1012-114-0x0000000000000000-mapping.dmp

Download
memory/1012-115-0x0000000074450000-0x000000007447E000-memory.dmp

Filesize
184KB

Download
memory/1012-117-0x0000000003220000-0x0000000003226000-memory.dmp

Filesize
24KB

Download