dridex | cf9d231a0440cf94c8528b2c547ec470a99f767bda4ec445149ee1221cc2d59b

Analysis

max time kernel
32s
max time network
10s
platform
windows7_x64
resource
win7v20210408
submitted
08/05/2021, 03:02

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General

Target
5eb0b0d3_by_Libranalysis.dll
Size 162KB
Sample210508-eclxh3kw8x
SHA256 cf9d231a0440cf94c8528b2c547ec470a99f767bda4ec445149ee1221cc2d59b
MD5 5eb0b0d322ce4a6f176e0b095679ae20
SHA1 8060660e71a7f8810810ca8caa519cfd271f5fac
SHA512 aafec03a198d59608404fc5c0b98f9cfe49da3b367509dff028ae1bf48a9b9d801419528adc879deb56dc550b3274f7893dc57b501f0d69ee84501ab1018e9d3
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/2028-61-0x0000000074680000-0x00000000746AE000-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 1652 wrote to memory of 2028	1652	rundll32.exe	25
PID 1652 wrote to memory of 2028	1652	rundll32.exe	25
PID 1652 wrote to memory of 2028	1652	rundll32.exe	25
PID 1652 wrote to memory of 2028	1652	rundll32.exe	25
PID 1652 wrote to memory of 2028	1652	rundll32.exe	25
PID 1652 wrote to memory of 2028	1652	rundll32.exe	25
PID 1652 wrote to memory of 2028	1652	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5eb0b0d3_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5eb0b0d3_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2028

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/2028-60-0x00000000754F1000-0x00000000754F3000-memory.dmp

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memory/2028-61-0x0000000074680000-0x00000000746AE000-memory.dmp

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memory/2028-63-0x00000000001C0000-0x00000000001C6000-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