dridex | 9e38293a8db705ecbb91e1dc8ce62be7d623750b00e4fb066fb879d11c591bb2

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:43

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General

Target

9e38293a8db705ecbb91e1dc8ce62be7d623750b00e4fb066fb879d11c591bb2.dll
Size

154KB
MD5

f27a1cc4ea1237a82efbbe9ee2a81e21
SHA1

0fcb40cb8e87cc3476d7f6727f77623be83647ef
SHA256

9e38293a8db705ecbb91e1dc8ce62be7d623750b00e4fb066fb879d11c591bb2
SHA512

7772ce2b6f7780e1ac53bbad7741c68ef5b93a488c0763b6d93bbbbaac1938f295150d75317eb9c1b97a3c290af3e2bb4fa8955dde5ca3d694a0b6bed20236e3

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1992-61-0x0000000074EF0000-0x0000000074F1D000-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 1076 wrote to memory of 1992	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1992	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1992	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1992	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1992	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1992	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1992	1076	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e38293a8db705ecbb91e1dc8ce62be7d623750b00e4fb066fb879d11c591bb2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e38293a8db705ecbb91e1dc8ce62be7d623750b00e4fb066fb879d11c591bb2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1992

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/1992-59-0x0000000000000000-mapping.dmp

Download
memory/1992-60-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1992-61-0x0000000074EF0000-0x0000000074F1D000-memory.dmp

Filesize
180KB

Download
memory/1992-63-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download