dridex | b7e7ebcc3f26485de815992bba00479600ef36dcee746627da924ec4d0aead05

Analysis

max time kernel
149s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 18:08

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General

Target
18c38a99_by_Libranalysis.dll
Size 162KB
Sample210508-xcf2g7785x
SHA256 b7e7ebcc3f26485de815992bba00479600ef36dcee746627da924ec4d0aead05
MD5 18c38a99e8a8e1d9668dc610b5948d33
SHA1 c32b47014fbe2530354c4fb103cfbc6fd1dfe51b
SHA512 596ef996c4260ec7323e0cbb47afe564f552b0c71f939d2576fd7a572054604827c018e3914e6376afd67729021ef448903ac53dbe644f1857bff5c134e45866
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/3904-115-0x0000000073F20000-0x0000000073F4E000-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 3936 wrote to memory of 3904	3936	rundll32.exe	68
PID 3936 wrote to memory of 3904	3936	rundll32.exe	68
PID 3936 wrote to memory of 3904	3936	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c38a99_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c38a99_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3904

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/3904-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3904-117-0x0000000003420000-0x0000000003426000-memory.dmp