dridex | a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7v20210410
submitted
16/04/2021, 08:35

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General

Target
a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d.dll
Size 162KB
Sample210416-hrtrmkhrax
SHA256 a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d
MD5 c3094465522a646c1638b6ed7f29221c
SHA1 2d369c843e6dc19dab56aa515c40b62461ba4e38
SHA512 cb372bc2ca2a515dabb3f8d1208757bd6de746f74e98bb1c24154870b440fb4956b8df477a32dc08ca0749a8df6c4c8b279eef51804708f7daca58d00a6ec0e0
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral1/memory/2036-62-0x0000000074A40000-0x0000000074A6E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2036	1048	rundll32.exe	23
PID 1048 wrote to memory of 2036	1048	rundll32.exe	23
PID 1048 wrote to memory of 2036	1048	rundll32.exe	23
PID 1048 wrote to memory of 2036	1048	rundll32.exe	23
PID 1048 wrote to memory of 2036	1048	rundll32.exe	23
PID 1048 wrote to memory of 2036	1048	rundll32.exe	23
PID 1048 wrote to memory of 2036	1048	rundll32.exe	23

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2036

Network

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

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Downloads

memory/2036-61-0x0000000075721000-0x0000000075723000-memory.dmp

Download

memory/2036-62-0x0000000074A40000-0x0000000074A6E000-memory.dmp

Download

memory/2036-64-0x0000000000110000-0x0000000000116000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads