dridex | c4d99f25a184612b72ad51d3573c8d3cd1d0bc827c2eb9f4337c32f12989dc51

Analysis

max time kernel
122s
max time network
122s
platform
windows10_x64
resource
win10v20210408
submitted
02/05/2021, 21:01

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General

Target
56fa4766_by_Libranalysis.dll
Size 162KB
Sample210502-1chsh22hxa
SHA256 c4d99f25a184612b72ad51d3573c8d3cd1d0bc827c2eb9f4337c32f12989dc51
MD5 56fa476665f528b7cc3d25f281306615
SHA1 57b9ab378913744b3d9a987b6da302b26d5add35
SHA512 99f4d27b944928a530229818d8527f509501efe4a91029fa11bba6cf0b809788d6fb3e939c68250de77922cfde2d539dcc80d4f5b3fc11d496eb09d38924b8fc
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/1596-115-0x0000000073990000-0x00000000739BE000-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 1456 wrote to memory of 1596	1456	rundll32.exe	15
PID 1456 wrote to memory of 1596	1456	rundll32.exe	15
PID 1456 wrote to memory of 1596	1456	rundll32.exe	15

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56fa4766_by_Libranalysis.dll,#1
1⤵
- Checks whether UAC is enabled
PID:1596

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56fa4766_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456

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/1596-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Download

memory/1596-117-0x0000000002940000-0x0000000002946000-memory.dmp