dridex | ea31e475dc80b812228102114b27f387da4c8d73d58e3b2e8e58cd28d5e1bbee

Analysis

max time kernel
92s
max time network
10s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 18:09

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General

Target
ea31e475dc80b812228102114b27f387da4c8d73d58e3b2e8e58cd28d5e1bbee.dll
Size 208KB
Sample210317-8c2tkdymd2
SHA256 ea31e475dc80b812228102114b27f387da4c8d73d58e3b2e8e58cd28d5e1bbee
MD5 5fa1399b0f9687ef64ead84bd7232d3b
SHA1 dabf7a43fd5f7096ee462c8434910d2e3f8a5713
SHA512 c38ceb462333de95a0e9bc252a6ab2f4d8e724d4c2530ac0cea4c5a55e0029339d2ae7a32ddde660bc9fc2741c719e35c94f020918ba50a4e6c5bcbea92c85da
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/1972-4-0x0000000074670000-0x00000000746A6000-memory.dmp	dridex_ldr
behavioral1/memory/1972-6-0x0000000074670000-0x0000000074691000-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 1064 wrote to memory of 1972	1064	rundll32.exe	25
PID 1064 wrote to memory of 1972	1064	rundll32.exe	25
PID 1064 wrote to memory of 1972	1064	rundll32.exe	25
PID 1064 wrote to memory of 1972	1064	rundll32.exe	25
PID 1064 wrote to memory of 1972	1064	rundll32.exe	25
PID 1064 wrote to memory of 1972	1064	rundll32.exe	25
PID 1064 wrote to memory of 1972	1064	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea31e475dc80b812228102114b27f387da4c8d73d58e3b2e8e58cd28d5e1bbee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea31e475dc80b812228102114b27f387da4c8d73d58e3b2e8e58cd28d5e1bbee.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1972

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/1972-3-0x0000000076101000-0x0000000076103000-memory.dmp

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memory/1972-4-0x0000000074670000-0x00000000746A6000-memory.dmp

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memory/1972-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

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memory/1972-6-0x0000000074670000-0x0000000074691000-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