dridex | 561d52ae441e53dddd9d5e8355cf940fbefb9b45f8794d3e93563ebaa447b1d5

Analysis

max time kernel
26s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 19:46

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General

Target
561d52ae441e53dddd9d5e8355cf940fbefb9b45f8794d3e93563ebaa447b1d5.dll
Size 162KB
Sample210415-p386rrcdts
SHA256 561d52ae441e53dddd9d5e8355cf940fbefb9b45f8794d3e93563ebaa447b1d5
MD5 8dc400f54599f026d7863c8b80f44d25
SHA1 edb81a0e1656a78ec0cd439229af820855fac894
SHA512 3f8891431b98dc9c58827ba4c09dc9912670d9a8484c2b7ad4ce94edc43e833895ef36455d0aae29976b03a57f4d9a8a5fefb32ab0ad31ed265166365232492c
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/3936-115-0x0000000074090000-0x00000000740BE000-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 3896 wrote to memory of 3936	3896	rundll32.exe	29
PID 3896 wrote to memory of 3936	3896	rundll32.exe	29
PID 3896 wrote to memory of 3936	3896	rundll32.exe	29

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\561d52ae441e53dddd9d5e8355cf940fbefb9b45f8794d3e93563ebaa447b1d5.dll,#1
1⤵
- Checks whether UAC is enabled
PID:3936

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\561d52ae441e53dddd9d5e8355cf940fbefb9b45f8794d3e93563ebaa447b1d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3896

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/3936-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3936-117-0x00000000032E0000-0x00000000032E6000-memory.dmp