dridex | b0779e8ce5e3469cada3bbb9185c7a507965bfd93530457a9aff7ff41a137366

Analysis

max time kernel
68s
max time network
10s
platform
windows7_x64
resource
win7v20201028
submitted
20/03/2021, 09:41

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General

Target
b0779e8ce5e3469cada3bbb9185c7a507965bfd93530457a9aff7ff41a137366.dll
Size 208KB
Sample210320-2jnsdg86ga
SHA256 b0779e8ce5e3469cada3bbb9185c7a507965bfd93530457a9aff7ff41a137366
MD5 4ef983de48c8b9d0267d3c22f6273675
SHA1 9eb7bb5335c9617f36a2fb586f042868851aa59a
SHA512 b6d5bda981edb4d2f3de1f69f8562f9109873ce36693bc2ef11cbe17f6ec8b6686960ff1975d8f3187b96fcc4d7131ec4c9c5b62718a7d0199656aad271a4a49
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/1840-4-0x0000000074500000-0x0000000074536000-memory.dmp	dridex_ldr
behavioral1/memory/1840-6-0x0000000074500000-0x0000000074521000-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 1020 wrote to memory of 1840	1020	rundll32.exe	25
PID 1020 wrote to memory of 1840	1020	rundll32.exe	25
PID 1020 wrote to memory of 1840	1020	rundll32.exe	25
PID 1020 wrote to memory of 1840	1020	rundll32.exe	25
PID 1020 wrote to memory of 1840	1020	rundll32.exe	25
PID 1020 wrote to memory of 1840	1020	rundll32.exe	25
PID 1020 wrote to memory of 1840	1020	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0779e8ce5e3469cada3bbb9185c7a507965bfd93530457a9aff7ff41a137366.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0779e8ce5e3469cada3bbb9185c7a507965bfd93530457a9aff7ff41a137366.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1840

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/1840-3-0x00000000753E1000-0x00000000753E3000-memory.dmp

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memory/1840-4-0x0000000074500000-0x0000000074536000-memory.dmp

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memory/1840-5-0x0000000000180000-0x0000000000186000-memory.dmp

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memory/1840-6-0x0000000074500000-0x0000000074521000-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