dridex | be9d77b69a0b1dd3dbae44d68481678ccf2578f69b4864fe1d9c66daa6eadcbf

Analysis

max time kernel
35s
max time network
99s
platform
windows7_x64
resource
win7v20210408
submitted
09/05/2021, 07:02

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General

Target
e85e2ff1_by_Libranalysis.dll
Size 162KB
Sample210509-e1gvdm51vn
SHA256 be9d77b69a0b1dd3dbae44d68481678ccf2578f69b4864fe1d9c66daa6eadcbf
MD5 e85e2ff1b1865768eeb3fd2f9c099cdf
SHA1 bc4e980f991fab1676978de75a3e636bf8bf2162
SHA512 d40a90caf58187c19034b1cb68b066a9288943d3ca86a45580704c31e973122a99e840aa912f7478b2d67b175c525ad4eafbaeac150151c7e8531d357cdeae17
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/1836-61-0x0000000074710000-0x000000007473E000-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 484 wrote to memory of 1836	484	rundll32.exe	25
PID 484 wrote to memory of 1836	484	rundll32.exe	25
PID 484 wrote to memory of 1836	484	rundll32.exe	25
PID 484 wrote to memory of 1836	484	rundll32.exe	25
PID 484 wrote to memory of 1836	484	rundll32.exe	25
PID 484 wrote to memory of 1836	484	rundll32.exe	25
PID 484 wrote to memory of 1836	484	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e85e2ff1_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:484
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e85e2ff1_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1836

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/1836-60-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

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memory/1836-61-0x0000000074710000-0x000000007473E000-memory.dmp

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memory/1836-63-0x0000000000180000-0x0000000000186000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads