dridex | 8f9f0f9482cb80098c478712dda3de503cb09ab5b933138415433c683356a2e6

Analysis

max time kernel
92s
max time network
8s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 18:06

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General

Target
8f9f0f9482cb80098c478712dda3de503cb09ab5b933138415433c683356a2e6.dll
Size 208KB
Sample210317-3csaatwrjs
SHA256 8f9f0f9482cb80098c478712dda3de503cb09ab5b933138415433c683356a2e6
MD5 7d8fa65294b9fa3fba2e6ab91d75def6
SHA1 cca0a21d37d3f498f00c1df067c98bf45956f959
SHA512 dd029a12d81e2a01336ea49327954f56825c66fb9c0e9cb71de4845c6247ce3924fd4656c2db151ebc83e3522c4ab955dd32c438e9aecf5e941be1d17d9a0dba
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1988-4-0x0000000075240000-0x0000000075276000-memory.dmp	dridex_ldr
behavioral1/memory/1988-6-0x0000000075240000-0x0000000075261000-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 1632 wrote to memory of 1988	1632	rundll32.exe	25
PID 1632 wrote to memory of 1988	1632	rundll32.exe	25
PID 1632 wrote to memory of 1988	1632	rundll32.exe	25
PID 1632 wrote to memory of 1988	1632	rundll32.exe	25
PID 1632 wrote to memory of 1988	1632	rundll32.exe	25
PID 1632 wrote to memory of 1988	1632	rundll32.exe	25
PID 1632 wrote to memory of 1988	1632	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f9f0f9482cb80098c478712dda3de503cb09ab5b933138415433c683356a2e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f9f0f9482cb80098c478712dda3de503cb09ab5b933138415433c683356a2e6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1988

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/1988-3-0x0000000076341000-0x0000000076343000-memory.dmp

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memory/1988-4-0x0000000075240000-0x0000000075276000-memory.dmp

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memory/1988-5-0x0000000000190000-0x0000000000196000-memory.dmp

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memory/1988-6-0x0000000075240000-0x0000000075261000-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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