dridex | d83d2939aebdcb9181bbdd5804b12800bb3e66b25c568c6d50a3df066426f7eb

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 12:38

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General

Target

d83d2939aebdcb9181bbdd5804b12800bb3e66b25c568c6d50a3df066426f7eb.dll
Size

162KB
MD5

e9308b0e0c5ffc11bc2936376a62e21d
SHA1

cf9ce8b9c73c56590fbe83b21ed8e5e3590b28e6
SHA256

d83d2939aebdcb9181bbdd5804b12800bb3e66b25c568c6d50a3df066426f7eb
SHA512

f3c4ba21727e1845c74ec44358e60e2fecc5f9a27c35f8b17b8fa878bc4972523a579becde9ba3893310641f618b02c56722e47791b2c768a6a23209fe776bb2

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/3976-115-0x0000000074260000-0x000000007428E000-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 1096 wrote to memory of 3976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 3976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 3976	1096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d83d2939aebdcb9181bbdd5804b12800bb3e66b25c568c6d50a3df066426f7eb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d83d2939aebdcb9181bbdd5804b12800bb3e66b25c568c6d50a3df066426f7eb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3976

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/3976-114-0x0000000000000000-mapping.dmp

Download
memory/3976-115-0x0000000074260000-0x000000007428E000-memory.dmp

Filesize
184KB

Download
memory/3976-117-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download