dridex | c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36

Analysis

max time kernel
117s
max time network
116s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36.dll
Size

154KB
MD5

0d0c637ac3309fcee6e50d35fc1a36ac
SHA1

8cd1d00614ed7c07f3332a92d69328861a085235
SHA256

c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36
SHA512

33ddc596341dd249211a4a44c1d77fc0e4c05523322a185407768fe996fd091426e42f5300348057deacde281da98f452b6fac82c0f82e19b7ec32b3c9c79e9f

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/1944-62-0x00000000754B0000-0x00000000754DD000-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 1104 wrote to memory of 1944	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1944	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1944	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1944	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1944	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1944	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1944	1104	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1104

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9d779caa5cb0f430268df389201bd7d65ea6171ad96ab03cb5f6fa0fca83f36.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1944

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/1944-60-0x0000000000000000-mapping.dmp

Download
memory/1944-61-0x0000000076E11000-0x0000000076E13000-memory.dmp

Filesize
8KB

Download
memory/1944-62-0x00000000754B0000-0x00000000754DD000-memory.dmp

Filesize
180KB

Download
memory/1944-64-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download