dridex | 2cac5ad0d0553fc04048d859dc8ca68ca284edbb74220988901d5c29b53e972c

Analysis

max time kernel
29s
max time network
10s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

2cac5ad0d0553fc04048d859dc8ca68ca284edbb74220988901d5c29b53e972c.dll
Size

157KB
MD5

04efadc6d8821b794c684ea90c7068cc
SHA1

2bf5d1431b4c497802bc24ab814a1f082b3b6544
SHA256

2cac5ad0d0553fc04048d859dc8ca68ca284edbb74220988901d5c29b53e972c
SHA512

35a8b46598944e0017bb2beb6602454a2b32f04454df5650013a114cecf23c7ff39ca7191a90fa8967cb9a7c44a6e357d90166f898f11999fc6698e52e299964

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1932-62-0x0000000075220000-0x000000007524D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 768 wrote to memory of 1932	768	rundll32.exe	rundll32.exe
PID 768 wrote to memory of 1932	768	rundll32.exe	rundll32.exe
PID 768 wrote to memory of 1932	768	rundll32.exe	rundll32.exe
PID 768 wrote to memory of 1932	768	rundll32.exe	rundll32.exe
PID 768 wrote to memory of 1932	768	rundll32.exe	rundll32.exe
PID 768 wrote to memory of 1932	768	rundll32.exe	rundll32.exe
PID 768 wrote to memory of 1932	768	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cac5ad0d0553fc04048d859dc8ca68ca284edbb74220988901d5c29b53e972c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:768

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cac5ad0d0553fc04048d859dc8ca68ca284edbb74220988901d5c29b53e972c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1932

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/1932-60-0x0000000000000000-mapping.dmp

Download
memory/1932-61-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1932-62-0x0000000075220000-0x000000007524D000-memory.dmp

Filesize
180KB

Download
memory/1932-64-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download