dridex | b21045d5509f74887393b923b8b0cd0bd18d88cdab69b31dd67fede1905f6ddb

Analysis

max time kernel
124s
max time network
125s
platform
windows7_x64
resource
win7v20210410
submitted
25/05/2021, 11:02

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General

Target
9a883100_by_Libranalysis.dll
Size 162KB
Sample210525-9ffm5kr9vx
SHA256 b21045d5509f74887393b923b8b0cd0bd18d88cdab69b31dd67fede1905f6ddb
MD5 9a883100517b76851aee7ca0b122420a
SHA1 d8d9026abc3290e558b1c2ed9b09c8eebaccc84a
SHA512 749164ebd7292464d87128e9a58409a5d511b6e92b7a96332d7c2b8d156cc07a5c0c35a6fa8626ee403b1743e505c3b36cdec25f02eb25c222d6d4dfed76918b
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/1520-62-0x0000000074C90000-0x0000000074CBE000-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 1088 wrote to memory of 1520	1088	rundll32.exe	25
PID 1088 wrote to memory of 1520	1088	rundll32.exe	25
PID 1088 wrote to memory of 1520	1088	rundll32.exe	25
PID 1088 wrote to memory of 1520	1088	rundll32.exe	25
PID 1088 wrote to memory of 1520	1088	rundll32.exe	25
PID 1088 wrote to memory of 1520	1088	rundll32.exe	25
PID 1088 wrote to memory of 1520	1088	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a883100_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a883100_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1520

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/1520-61-0x00000000753B1000-0x00000000753B3000-memory.dmp

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memory/1520-62-0x0000000074C90000-0x0000000074CBE000-memory.dmp

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memory/1520-64-0x0000000000180000-0x0000000000186000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads