dridex | 354a144c04227941d3302b632d3d25e7c3e87e85d97db57ba5eca25ffec78568

Analysis

max time kernel
120s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
05/05/2021, 17:02

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General

Target
4a206661_by_Libranalysis.dll
Size 162KB
Sample210505-6npp62efxj
SHA256 354a144c04227941d3302b632d3d25e7c3e87e85d97db57ba5eca25ffec78568
MD5 4a2066617a89ff21b8a5b9f0dd06d1bc
SHA1 4009370a9192cb30cd7c88a6d753c90930b767e2
SHA512 cc840668f32278196ef144045c00acddf9bc3638552680f96289919c73deec6e714eee676239ccdfc883d7c862548d4095484e00b4484e83b89d74e2e833bfcd
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
behavioral2/memory/692-115-0x00000000755E0000-0x000000007560E000-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 3 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 692	3944	rundll32.exe	69
PID 3944 wrote to memory of 692	3944	rundll32.exe	69
PID 3944 wrote to memory of 692	3944	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a206661_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a206661_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:692

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

Replay Monitor

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Downloads

memory/692-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/692-117-0x00000000040D0000-0x00000000040D6000-memory.dmp