dridex | 1258a7005a89dcd206a1c34165d086e51b5c4d6b58dfd797be8633200e42a1c8

Analysis

max time kernel
56s
max time network
46s
platform
windows10_x64
resource
win10v20201028
submitted
05-04-2021 03:20

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General

Target

1258a7005a89dcd206a1c34165d086e51b5c4d6b58dfd797be8633200e42a1c8.dll
Size

785KB
MD5

4b1d17defa1eecb27c3d0e667189ce8b
SHA1

11c504ef049fcc8e0a154f849fd29a050d7f5b51
SHA256

1258a7005a89dcd206a1c34165d086e51b5c4d6b58dfd797be8633200e42a1c8
SHA512

2b856135c134b9087f0d92b56f94531ff034cb686484448dc807d1587deb4ce894a9d5a0f66ee07fb85cd8ec8f843599b633f6b4ce6e00aab59002682727660e

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/4720-3-0x0000000074320000-0x000000007435D000-memory.dmp	dridex_ldr
behavioral1/memory/4720-4-0x0000000074320000-0x000000007435D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

12 4720 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
12	4720	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4672 wrote to memory of 4720	4672	rundll32.exe	rundll32.exe
PID 4672 wrote to memory of 4720	4672	rundll32.exe	rundll32.exe
PID 4672 wrote to memory of 4720	4672	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1258a7005a89dcd206a1c34165d086e51b5c4d6b58dfd797be8633200e42a1c8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1258a7005a89dcd206a1c34165d086e51b5c4d6b58dfd797be8633200e42a1c8.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4720-2-0x0000000000000000-mapping.dmp

Download
memory/4720-3-0x0000000074320000-0x000000007435D000-memory.dmp

Filesize
244KB

Download
memory/4720-4-0x0000000074320000-0x000000007435D000-memory.dmp

Filesize
244KB

Download
memory/4720-5-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download