dridex | 4586d02c475bd5be5a327365837004bd10af7ce49cffeba756add4a0ffd37d46

Analysis

max time kernel
25s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
15/04/2021, 20:32

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General

Target
4586d02c475bd5be5a327365837004bd10af7ce49cffeba756add4a0ffd37d46.dll
Size 162KB
Sample210415-rytmc5e7ra
SHA256 4586d02c475bd5be5a327365837004bd10af7ce49cffeba756add4a0ffd37d46
MD5 e1edb35d2840df7b756722bbf7ad605a
SHA1 15bc4be834ae5ab5858e695509821d1ada2e6158
SHA512 32277a26ca64d15933eff509d6541a4760984d089b0b59ec3bf71181273a8fb34db5fa8e8aa7c787b386fafd4697f73388cfab9343e7bfc7da1d54d2a3778caa
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/848-115-0x00000000742C0000-0x00000000742EE000-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 672 wrote to memory of 848	672	rundll32.exe	70
PID 672 wrote to memory of 848	672	rundll32.exe	70
PID 672 wrote to memory of 848	672	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4586d02c475bd5be5a327365837004bd10af7ce49cffeba756add4a0ffd37d46.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4586d02c475bd5be5a327365837004bd10af7ce49cffeba756add4a0ffd37d46.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:848

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/848-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

Download

memory/848-117-0x0000000000DE0000-0x0000000000DE6000-memory.dmp