dridex | 23a042a2aa4e59a9f0edba3bfa394322de5f50b2951d8e4e14e9c3b438be8be2

Analysis

max time kernel
26s
max time network
115s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 09:44

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General

Target

23a042a2aa4e59a9f0edba3bfa394322de5f50b2951d8e4e14e9c3b438be8be2.dll
Size

160KB
MD5

70d1fe0e9c0b3e17cb6da4f3e7a6d4eb
SHA1

f92527d78bd739daa9abf8856ab73e87ef1a90c2
SHA256

23a042a2aa4e59a9f0edba3bfa394322de5f50b2951d8e4e14e9c3b438be8be2
SHA512

648e657463c67c251227ddaccd18f0a258d40eaf8c531a1021fa437595da7b42d5fe3a2bf532313f0d33d96ea929ed83a1b02a55039730aa45e260c65931db85

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/1104-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp	dridex_ldr

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

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 804 wrote to memory of 1104	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1104	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1104	804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23a042a2aa4e59a9f0edba3bfa394322de5f50b2951d8e4e14e9c3b438be8be2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23a042a2aa4e59a9f0edba3bfa394322de5f50b2951d8e4e14e9c3b438be8be2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1104

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1104-114-0x0000000000000000-mapping.dmp

Download
memory/1104-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp

Filesize
184KB

Download
memory/1104-117-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download