dridex | 831df44c483e1ac8a5415c7bb8a15c6c11053814a6de3a20a45baba102ba5635

Analysis

max time kernel
27s
max time network
10s
platform
windows7_x64
resource
win7v20210408
submitted
16/04/2021, 04:55

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General

Target
831df44c483e1ac8a5415c7bb8a15c6c11053814a6de3a20a45baba102ba5635.dll
Size 162KB
Sample210416-c8jfxvdcvs
SHA256 831df44c483e1ac8a5415c7bb8a15c6c11053814a6de3a20a45baba102ba5635
MD5 2ae2473bebe55b2a05a62bf81dc95fcb
SHA1 eab6a5ba96b651bf74efc153a22c4471851c1c94
SHA512 0ebd5bb0d0cbe5da111f6e16f581e983b7f3b55258ecba80792c4ae8d1e57ed6545ea0575c8cce53d314c4cfaa214cd18819447717713bf0ef0e1669ca4fb47b
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/1308-62-0x0000000075330000-0x000000007535E000-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 1992 wrote to memory of 1308	1992	rundll32.exe	25
PID 1992 wrote to memory of 1308	1992	rundll32.exe	25
PID 1992 wrote to memory of 1308	1992	rundll32.exe	25
PID 1992 wrote to memory of 1308	1992	rundll32.exe	25
PID 1992 wrote to memory of 1308	1992	rundll32.exe	25
PID 1992 wrote to memory of 1308	1992	rundll32.exe	25
PID 1992 wrote to memory of 1308	1992	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\831df44c483e1ac8a5415c7bb8a15c6c11053814a6de3a20a45baba102ba5635.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\831df44c483e1ac8a5415c7bb8a15c6c11053814a6de3a20a45baba102ba5635.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1308

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/1308-61-0x0000000075B31000-0x0000000075B33000-memory.dmp

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memory/1308-62-0x0000000075330000-0x000000007535E000-memory.dmp

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memory/1308-64-0x0000000000180000-0x0000000000186000-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