dridex | a7d7435ea95deccf0e19df10a26973ad177488ebdf392e6bcd0b33de848b88ae

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 19:00

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General

Target
a7d7435ea95deccf0e19df10a26973ad177488ebdf392e6bcd0b33de848b88ae.dll
Size 208KB
Sample210317-sr3dd4t2cs
SHA256 a7d7435ea95deccf0e19df10a26973ad177488ebdf392e6bcd0b33de848b88ae
MD5 e89569891286daddac8edd0903b17c58
SHA1 cea577d0bb12f1e5e6adc608996dcd8cd747cd06
SHA512 098f53915aee2698ac6e9c328c50d0095b5b0a4d06159fc9a92c2fa7d3ded64830a8af0a01ead4df33f00557e5565c41bda9b8d8709e53e2a2578d3583c8939a
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/2020-4-0x0000000074920000-0x0000000074956000-memory.dmp	dridex_ldr
behavioral1/memory/2020-6-0x0000000074920000-0x0000000074941000-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 1152 wrote to memory of 2020	1152	rundll32.exe	26
PID 1152 wrote to memory of 2020	1152	rundll32.exe	26
PID 1152 wrote to memory of 2020	1152	rundll32.exe	26
PID 1152 wrote to memory of 2020	1152	rundll32.exe	26
PID 1152 wrote to memory of 2020	1152	rundll32.exe	26
PID 1152 wrote to memory of 2020	1152	rundll32.exe	26
PID 1152 wrote to memory of 2020	1152	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7d7435ea95deccf0e19df10a26973ad177488ebdf392e6bcd0b33de848b88ae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7d7435ea95deccf0e19df10a26973ad177488ebdf392e6bcd0b33de848b88ae.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2020

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/2020-3-0x00000000760C1000-0x00000000760C3000-memory.dmp

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memory/2020-4-0x0000000074920000-0x0000000074956000-memory.dmp

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memory/2020-5-0x0000000000210000-0x0000000000216000-memory.dmp

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memory/2020-6-0x0000000074920000-0x0000000074941000-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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